BCBS Alpha Prefix List from MAA to MZZ

BCBS Alpha Prefix ListBlue Cross Blue Shield CompaniesBCBS Phone Numbers
MAAPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MABBlue Cross Blue Shield of Florida800-727-2227
MACBlue Cross Blue Shield of Minnesota800-262-0820
MADUnassigned Prefix
MAEAnthem Central Region (OH, IN, KY)
MAFCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MAGBlue Cross Blue Shield of New Mexico888-349-3706
MAHAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MAIWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MAJUnassigned Prefix
MAKUnassigned Prefix
MALCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MANCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MAOBlue Cross Blue Shield of South Carolina800-868-2510
MAPUnassigned Prefix
MAQBlue Cross Blue Shield of Florida800-727-2227
MARUnassigned Prefix
MASUnassigned Prefix
MATBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MAUWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MAVAnthem Central Region (OH, IN, KY)
MAWCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MAXUnassigned Prefix
MAZWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MBAAnthem
MBBUnassigned Prefix
MBCBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
MBDCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MBEBlue Cross Blue Shield of South Carolina800-868-2510
MBFAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MBGBlue Cross Blue Shield of Alabama800-760-6852
MBHBlue Cross Blue Shield of Alabama800-760-6852
MBIUnassigned Prefix
MBJRegence Blue Shield of Washington866-227-0913
MBKEmpire Blue Cross Blue Shield of New York800-552-6630
800-713-4173 - out of area Members
800-343-7283 - Traditional Indemnity
MBLUnassigned Prefix
MBMUnassigned Prefix
MBNBlue Cross Blue Shield of Michigan800-344-8525
MBOBlue Cross Blue Shield of Florida800-727-2227
MBQWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MBRAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MBTAnthem
MBUBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MBVCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MBWAnthem
MBXAnthem
MBYAnthem
MBZCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MCABlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MCBUnassigned Prefix
MCCBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MCDBlue Cross Blue Shield of Illinois800-972-8088
MCEUnassigned Prefix
MCFCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MCGCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MCHBlue Cross Blue Shield of Florida800-727-2227
MCIAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MCJHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MCKWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MCLWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MCMPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MCNUnassigned Prefix
MCPAnthem Central Region (OH, IN, KY)
MCQBlue Cross Blue Shield of Illinois800-972-8088
MCRCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MCSCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MCTWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MCUAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MCVWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MCWWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MCXBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MCYHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MCZAnthem Central Region (OH, IN, KY)
MDABlue Cross Blue Shield of Michigan800-344-8525
MDBBlue Cross Blue Shield of Alabama800-760-6852
MDCBlue Cross Blue Shield of Minnesota800-262-0820
MDDBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MDEAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MDFUnassigned Prefix
MDGBlue Cross Blue Shield of Michigan800-344-8525
MDHUnassigned Prefix
MDIWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MDJUnassigned Prefix
MDKBlue Cross Blue Shield of ArizonaTucson
800-752-0193
520-745-1883

Phoenix
602-864-4400
800-232-2345

Flagstaff
800-423-6484
928-526-0232
MDLBlue Cross Blue Shield of Illinois800-972-8088
MDMCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MDNAnthem
MDOWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MDPUnassigned Prefix
MDQBlue Cross Blue Shield of Minnesota800-262-0820
MDRAnthem
MDSCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MDTCarefirst Administrators866-945-9839
MDUWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MDVBlue Cross Blue Shield of Illinois800-972-8088
MDWWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MDXBlue Cross Blue Shield of Alabama800-760-6852
MDYBlue Cross Blue Shield of Kansas816-395-3929
816-395-2176 - Prior Authorization
800-320-9550 - Blue Card Claims
800-676-2583 - Eligibility
MDZBlue Cross Blue Shield of Minnesota800-262-0820
MEABlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MEBUnassigned Prefix
MECAnthem
MEDAnthem
MEEBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MEFCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MEGUnassigned Prefix
MEHCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MEIBlue Cross Blue Shield of Michigan800-344-8525
MEJCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MEKBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MELWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MEMUnassigned Prefix
MENAnthem
MEOBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MEPAnthem Central Region (OH, IN, KY)
MEQBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MERAnthem
MESBlue Cross Blue Shield of Illinois800-972-8088
METBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
MEUUnassigned Prefix
MEWUnassigned Prefix
MEXBlue Cross Blue Shield of New Mexico888-349-3706
MEYUnassigned Prefix
MEZBlue Cross Blue Shield of New Mexico888-349-3706
MFABlue Cross Blue Shield of Illinois800-972-8088
MFBWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MFCCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MFDUnassigned Prefix
MFEAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MFFUnassigned Prefix
MFGAnthem
MFHUnassigned Prefix
MFIWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MFJUnassigned Prefix
MFKBlue Cross Blue Shield of Mississippi800-257-5825
MFLIndependence Blue Cross800-275-2583 - Key Stone health Plan/Personal choice PPO
215-241-2365 - Key Stone 65
215-561-4877 - Personal Choice 65
888-926-1212 - Medigap
MFMUnassigned Prefix
MFNAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MFOUnassigned Prefix
MFPUnassigned Prefix
MFQAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MFRAnthem
MFSCarefirst Administrators866-945-9839
MFTAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MFUWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MFVBlue Cross Blue Shield of Illinois800-972-8088
MFWAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MFXUnassigned Prefix
MFYBlue Cross Blue Shield of Minnesota800-262-0820
MGAIndependence Blue Cross800-275-2583 - Key Stone health Plan/Personal choice PPO
215-241-2365 - Key Stone 65
215-561-4877 - Personal Choice 65
888-926-1212 - Medigap
MGBCapital Blue Cross866-688-2242
MGCUnassigned Prefix
MGDPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MGFAnthem Blue Cross Blue Shield of Nevada800-332-3842 or 877-833-5742
HMO, PPO, Medicare Supplement Plans
800-827-6422 - Guest mebership or Away from Home Care

Anthem associates and Retirees
800-392-6117
303-861-7799
800-234-0111

Dental
800-231-2583
800-627-0004
888-209-7852

800-865-1044 - Anthem Employee Assistance Program

Anthem Vision
800-231-2583
866-723-0515

800-554-8008 - Blue Card
800-433-5447 - NASCO PAR
MGGIndependence Blue Cross800-275-2583 - Key Stone health Plan/Personal choice PPO
215-241-2365 - Key Stone 65
215-561-4877 - Personal Choice 65
888-926-1212 - Medigap
MGHBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MGJUnassigned Prefix
MGKWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MGLIndependence Blue Cross800-275-2583 - Key Stone health Plan/Personal choice PPO
215-241-2365 - Key Stone 65
215-561-4877 - Personal Choice 65
888-926-1212 - Medigap
MGMCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MGNUnassigned Prefix
MGOBlue Cross Blue Shield of Michigan800-344-8525
MGPWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MGQBlue Cross Blue Shield of Minnesota800-262-0820
MGRBlue Cross Blue Shield of Michigan800-344-8525
MGSBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MGTUnassigned Prefix
MGVBlue Cross Blue Shield of South Carolina800-868-2510
MGWUnassigned Prefix
MGXBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MGYBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MGZHorizon Blue Cross Blue Shield of New Jersey800-355-2583
MHABlue Cross Blue Shield of South Carolina800-868-2510
MHBBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MHCHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MHDEmpire Blue Cross Blue Shield of New York800-552-6630
800-713-4173 - out of area Members
800-343-7283 - Traditional Indemnity
MHEUnassigned Prefix
MHFWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MHGUnassigned Prefix
MHHBlue Cross Blue Shield of Michigan800-344-8525
MHIUnassigned Prefix
MHJAnthem
MHKWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MHLBlue Cross Blue Shield of South Carolina800-868-2510
MHMCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MHNAnthem
MHOUnassigned Prefix
MHPUnassigned Prefix
MHQUnassigned Prefix
MHRUnassigned Prefix
MHSBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
MHTCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MHUAnthem
MHVAnthem Central Region (OH, IN, KY)
MHWBlue Cross Blue Shield of Alabama800-760-6852
MHXBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MHYAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MIAUnassigned Prefix
MIBBlue Cross Blue Shield of Minnesota800-262-0820
MICBlue Cross Blue Shield of South Carolina800-868-2510
MIDAnthem
MIEBlue Cross Blue Shield of Minnesota800-262-0820
MIFAnthem Central Region (OH, IN, KY)
MIGBlue Cross Blue Shield of Michigan800-344-8525
MIHBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MIJBlue Cross Blue Shield of Michigan800-344-8525
MILUnassigned Prefix
MIMHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MINUnassigned Prefix
MIOBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MIPBlue Cross of Idaho866-482-2250
MISAnthem
MITWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MIUBlue Cross Blue Shield of South Carolina800-868-2510
MIVBlue Cross Blue Shield of Western New York800-950-0052
800-444-2012 - Blue Card
MIWBlue Cross Blue Shield of Michigan800-344-8525
MIYAnthem
MIZBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MJABlue Shield of Northeastern New York800-444-4552
800-429-9886 - Blue Card
MJBUnassigned Prefix
MJCUnassigned Prefix
MJDBlue Cross Blue Shield of Alabama800-760-6852
MJEBlue Cross Blue Shield of Michigan800-344-8525
MJGPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MJHUnassigned Prefix
MJICarefirst Blue Cross Blue Shield of Maryland800-248-8410
MJJBlue Cross Blue Shield of Michigan800-344-8525
MJKUnassigned Prefix
MJLAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MJMHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MJNHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MJPWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MJQUnassigned Prefix
MJRBlue Cross Blue Shield of Michigan800-344-8525
MJSBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MJTBlue Cross Blue Shield of Michigan800-344-8525
MJUBlue Cross Blue Shield of Michigan800-344-8525
MJVUnassigned Prefix
MJWBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MJXBlue Cross Blue Shield of Michigan800-344-8525
MJZAnthem Central Region (OH, IN, KY)
MKAWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MKBBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MKCBlue Cross Blue Shield of South Carolina800-868-2510
MKDBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MKEBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
MKFPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MKGAnthem
MKIBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
MKJAnthem Central Region (OH, IN, KY)
MKKAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MKLBlue Cross Blue Shield of Mississippi800-257-5825
MKMCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MKNAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MKOBlue Cross Blue Shield of Michigan800-344-8525
MKPAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MKQAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MKRUnassigned Prefix
MKSBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MKTWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MKUPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MKVHorizon Blue Cross Blue Shield of New Jersey800-355-2583
MKWBlue Cross Blue Shield of Florida800-727-2227
MKXAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MKYHorizon Blue Cross Blue Shield of New Jersey800-355-2583
MKZCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MLAWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MLBUnassigned Prefix
MLCBlue Cross Blue Shield of Illinois800-972-8088
MLDUnassigned Prefix
MLEBlue Cross Blue Shield of Illinois800-972-8088
MLFUnassigned Prefix
MLGHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MLHCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MLIUnassigned Prefix
MLJCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MLKAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MLLBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MLMHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MLNBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MLOBlue Cross Blue Shield of Western New York800-950-0052
800-444-2012 - Blue Card
MLPAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MLQBlue Cross Blue Shield of Minnesota800-262-0820
MLRUnassigned Prefix
MLSBlue Cross Blue Shield of Alabama800-760-6852
MLTBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
MLUBlue Cross Blue Shield of Minnesota800-262-0820
MLVBlue Cross Blue Shield of Minnesota800-262-0820
MLWBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MLXCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MLYPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MLZAnthem Central Region (OH, IN, KY)
MMAUnassigned Prefix
MMBCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MMCUnassigned Prefix
MMDPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MMEUnassigned Prefix
MMFExcellus Blue Cross Blue Shield of New York800-920-8889
800-662-1220 - Blue Option Plus
800-724-1675 - Dental
MMGBlue Cross Blue Shield of Mississippi800-257-5825
MMHAnthem
MMJBlue Cross Blue Shield of Michigan800-344-8525
MMKBlue Cross Blue Shield of Illinois800-972-8088
MMLUnassigned Prefix
MMMBlue Cross Blue Shield of Minnesota800-262-0820
MMNBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
MMOBlue Cross Blue Shield of Michigan800-344-8525
MMPBlue Cross Blue Shield of North Carolina800-446-8053
MMQAnthem
MMRUnassigned Prefix
MMSAnthem
MMTCarefirst Administrators866-945-9839
MMUBlue Cross Blue Shield of Illinois800-972-8088
MMVAnthem
MMWBlue Cross Blue Shield of Illinois800-972-8088
MMXBlue Cross Blue Shield of Alabama800-760-6852
MMYUnassigned Prefix
MMZWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MNABlue Cross Blue Shield of Minnesota800-262-0820
MNBBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MNCAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MNDAnthem Central Region (OH, IN, KY)
MNEAnthem Central Region (OH, IN, KY)
MNFIndependence Blue Cross800-275-2583 - Key Stone health Plan/Personal choice PPO
215-241-2365 - Key Stone 65
215-561-4877 - Personal Choice 65
888-926-1212 - Medigap
MNGBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
MNHAnthem
MNIBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MNJUnassigned Prefix
MNKBlue Cross Blue Shield of Michigan800-344-8525
MNLBlue Cross Blue Shield of South Carolina800-868-2510
MNMBlue Cross Blue Shield of Minnesota800-262-0820
MNNHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MNOBlue Cross Blue Shield of North Carolina800-446-8053
MNPBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MNQBlue Cross Blue Shield of Minnesota800-262-0820
MNRBlue Cross Blue Shield of Minnesota800-262-0820
MNSAnthem
MNTBlue Cross Blue Shield of Illinois800-972-8088
MNUBlue Cross Blue Shield of North Carolina800-446-8053
MNVUnassigned Prefix
MNWPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MNXBlue Cross Blue Shield of Illinois800-972-8088
MNYUnassigned Prefix
MNZWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MOABlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MOBUnassigned Prefix
MOCBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MOEBlue Cross Blue Shield of Illinois800-972-8088
MOFBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MOGBlue Cross Blue Shield of South Carolina800-868-2510
MOJAnthem Central Region (OH, IN, KY)
MOMAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MONUnassigned Prefix
MOOUnassigned Prefix
MOPUnassigned Prefix
MOQUnassigned Prefix
MORPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MOSUnassigned Prefix
MOTBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MOUUnassigned Prefix
MOVUnassigned Prefix
MOWAnthem Central Region (OH, IN, KY)
MOXBlue Cross Blue Shield of Illinois800-972-8088
MOYWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MOZUnassigned Prefix
MPABlue Cross Blue Shield of Mississippi800-257-5825
MPBUnassigned Prefix
MPCBlue Cross Blue Shield of Rhose Island800-230-9050
800-676-2583 - Out of State
800-637-3718 - Facility
800-831-2400 - Dental
MPDBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MPEBlue Cross Blue Shield of Michigan800-344-8525
MPFExcellus Blue Cross Blue Shield of New York800-920-8889
800-662-1220 - Blue Option Plus
800-724-1675 - Dental
MPGUnassigned Prefix
MPHBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MPIAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MPJUnassigned Prefix
MPKUnassigned Prefix
MPLBlue Cross Blue Shield of Illinois800-972-8088
MPMHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MPNUnassigned Prefix
MPOBlue Cross Blue Shield of Alabama800-760-6852
MPPAnthem
MPQBlue Cross Blue Shield of Minnesota800-262-0820
MPRAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MPSBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MPTBlue Cross Blue Shield of Minnesota800-262-0820
MPUAnthem Central Region (OH, IN, KY)
MPVBlue Cross Blue Shield of Minnesota800-262-0820
MPWBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
MPXBlue Cross Blue Shield of Minnesota800-262-0820
MPYUnassigned Prefix
MPZUnassigned Prefix
MQABlue Cross Blue Shield of Michigan800-344-8525
MQBUnassigned Prefix
MQCAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MQDCarefirst Administrators866-945-9839
MQEUnassigned Prefix
MQFBlue Cross Blue Shield of Western New York800-950-0052
800-444-2012 - Blue Card
MQGUnassigned Prefix
MQHBlue Cross Blue Shield of Michigan800-344-8525
MQJBlue Cross Blue Shield of Michigan800-344-8525
MQKBlue Cross Blue Shield of Michigan800-344-8525
MQNBlue Cross Blue Shield of North Carolina800-446-8053
MQOBlue Cross Blue Shield of Michigan800-344-8525
MQPAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MQRHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MQTBlue Cross Blue Shield of Minnesota800-262-0820
MQUAnthem Central Region (OH, IN, KY)
MQVUnassigned Prefix
MQWBlue Cross Blue Shield of Michigan800-344-8525
MQXAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MQYBlue Cross Blue Shield of North Carolina800-446-8053
MQZAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MRAAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MRBUnassigned Prefix
MRCBlue Cross Blue Shield of Illinois800-972-8088
MRDUnassigned Prefix
MREWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MRFBlue Cross Blue Shield of Michigan800-344-8525
MRGBlue Cross Blue Shield of Illinois800-972-8088
MRHUnassigned Prefix
MRIUnassigned Prefix
MRJCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MRKUnassigned Prefix
MRLUnassigned Prefix
MRMBlue Cross Blue Shield of Kansas816-395-3929
816-395-2176 - Prior Authorization
800-320-9550 - Blue Card Claims
800-676-2583 - Eligibility
MRNAnthem
MRQBlue Cross Blue Shield of Western New York800-950-0052
800-444-2012 - Blue Card
MRRAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MRSWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MRTBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MRUHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MRVAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MRWBlue Cross Blue Shield of Illinois800-972-8088
MRXUnassigned Prefix
MRYBlue Cross Blue Shield of Alabama800-760-6852
MRZBlue Cross Blue Shield of Illinois800-972-8088
MSABlue Cross Blue Shield of Alabama800-760-6852
MSBWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MSCBlue Cross Blue Shield of Alabama800-760-6852
MSDUnassigned Prefix
MSEUnassigned Prefix
MSFEmpire Blue Cross Blue Shield of New York800-552-6630
800-713-4173 - out of area Members
800-343-7283 - Traditional Indemnity
MSHBlue Cross Blue Shield of Michigan800-344-8525
MSIUnassigned Prefix
MSJPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MSKBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MSLCarefirst Administrators866-945-9839
MSMCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MSNUnassigned Prefix
MSOBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
MSPPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MSQPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MSRBlue Cross Blue Shield of Michigan800-344-8525
MSSHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MSTPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MSUAnthem
MSVBlue Cross Blue Shield of Alabama800-760-6852
MSXAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MSYPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MSZAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MTAUnassigned Prefix
MTBWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MTCAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MTDPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MTEBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MTFUnassigned Prefix
MTGCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MTHWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MTIEmpire Blue Cross Blue Shield of New York800-552-6630
800-713-4173 - out of area Members
800-343-7283 - Traditional Indemnity
MTJBlue Cross of Idaho866-482-2250
MTKWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MTLBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MTMBlue Cross Blue Shield of South Carolina800-868-2510
MTNBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MTOUnassigned Prefix
MTPBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MTQBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MTRBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
MTSCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MTTBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MTUPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MTVUnassigned Prefix
MTWUnassigned Prefix
MTXCarefirst Administrators866-945-9839
MTYAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MTZBlue Cross Blue Shield of Illinois800-972-8088
MUABlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MUBCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MUCWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MUDCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MUEWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MUFUnassigned Prefix
MUGUnassigned Prefix
MUHCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MUIUnassigned Prefix
MUJBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MUKUnassigned Prefix
MULBlue Cross Blue Shield of Illinois800-972-8088
MUMBlue Cross Blue Shield of ArizonaTucson
800-752-0193
520-745-1883

Phoenix
602-864-4400
800-232-2345

Flagstaff
800-423-6484
928-526-0232
MUNBlue Cross Blue Shield of Illinois800-972-8088
MUOUnassigned Prefix
MUPBlue Cross Blue Shield of Minnesota800-262-0820
MUQUnassigned Prefix
MURBlue Cross Blue Shield of Michigan800-344-8525
MUSBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MUTUnassigned Prefix
MUUBlue Cross Blue Shield of Michigan800-344-8525
MUWHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MUXWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MUYBlue Cross Blue Shield of Alabama800-760-6852
MUZBlue Cross Blue Shield of Michigan800-344-8525
MVABlue Cross Blue Shield of Montana800-447-7828
MVBUnassigned Prefix
MVCBlue Cross Blue Shield of South Carolina800-868-2510
MVDPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MVEUnassigned Prefix
MVFEmpire Blue Cross Blue Shield of New York800-552-6630
800-713-4173 - out of area Members
800-343-7283 - Traditional Indemnity
MVGBlue Cross Blue Shield of Minnesota800-262-0820
MVHAnthem
MVIBlue Cross Blue Shield of Michigan800-344-8525
MVJBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MVKBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MVLBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MVMBlue Cross Blue Shield of Alabama800-760-6852
MVNEmpire Blue Cross Blue Shield of New York800-552-6630
800-713-4173 - out of area Members
800-343-7283 - Traditional Indemnity
MVOBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MVPUnassigned Prefix
MVQUnassigned Prefix
MVRHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MVSBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MVTBlue Cross Blue Shield of Minnesota800-262-0820
MVUAnthem
MVVWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MVWUnassigned Prefix
MVXBlue Cross Blue Shield of South Carolina800-868-2510
MVYAnthem Central Region (OH, IN, KY)
MVZHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MWABlue Cross Blue Shield of Illinois800-972-8088
MWCUnassigned Prefix
MWDCarefirst Administrators866-945-9839
MWEAnthem Central Region (OH, IN, KY)
MWFBlue Cross Blue Shield of Illinois800-972-8088
MWGBlue Cross Blue Shield of Minnesota800-262-0820
MWHUnassigned Prefix
MWJHorizon Blue Cross Blue Shield of New Jersey800-355-2583
MWKHorizon Blue Cross Blue Shield of New Jersey800-355-2583
MWLBlue Cross Blue Shield of Illinois800-972-8088
MWMBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MWNBlue Cross Blue Shield of Illinois800-972-8088
MWOUnassigned Prefix
MWPUnassigned Prefix
MWQAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MWRBlue Cross Blue Shield of Kansas816-395-3929
816-395-2176 - Prior Authorization
800-320-9550 - Blue Card Claims
800-676-2583 - Eligibility
MWSAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MWTUnassigned Prefix
MWUAnthem Central Region (OH, IN, KY)
MWVAnthem Central Region (OH, IN, KY)
MWWAnthem
MWXBlue Cross Blue Shield of Alabama800-760-6852
MWYAnthem Central Region (OH, IN, KY)
MWZUnassigned Prefix
MXAAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MXBHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MXDBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MXEBlue Cross Blue Shield of Texas800-451-0287
877-299-2377 - Blue Essentials
877-774-8591 - Blue Cross Medicare Advantage
855-462-1781 - Care Management Programs
MXFEmpire Blue Cross Blue Shield of New York800-552-6630
800-713-4173 - out of area Members
800-343-7283 - Traditional Indemnity
MXGUnassigned Prefix
MXHCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MXIBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
MXJAnthem Blue Cross Blue Shield of Virginia800-533-1120

855-856-9286 - Anthem Affordable Care Act
800-901-0020 - Anthem Medicare or Medicaid dual eligible program
888-290-9160 - Anthem Medicare Advantage
800-676-2583 - Blue Card
MXKCapital Blue Cross866-688-2242
MXLUnassigned Prefix
MXMWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MXNBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MXOWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MXPBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MXRAnthem Blue Cross of California800-677-6669

800-444-2726 - National Accounts
866-700-2168 - Workers Compensation medical provider network

Senior Services Medicare Advantage
888-230-7338 - Blue Cross Senior HMO
877-811-3107 - Anthem Medicare PPO

800-333-3883 - Senior Services Medicare supplement

800-645-9785 - Meridian
MXUUnassigned Prefix
MXVUnassigned Prefix
MXXBlue Cross Blue Shield of Minnesota800-262-0820
MXZPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
MYBUnassigned Prefix
MYCAnthem Central Region (OH, IN, KY)
MYDBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MYEAnthem Central Region (OH, IN, KY)
MYFEmpire Blue Cross Blue Shield of New York800-552-6630
800-713-4173 - out of area Members
800-343-7283 - Traditional Indemnity
MYGWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MYHBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MYIBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MYJAnthem
MYKBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MYLBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MYMAnthem Central Region (OH, IN, KY)
MYNAnthem
MYOAnthem Central Region (OH, IN, KY)
MYPBlue Cross Blue Shield of Georgia855-295-5840

800-676-2583 - Blue Card Eligibility
800-282-2473 - Facility Claims
800-535-8291 -Guest Membership or HMO Away from Home Care
MYQBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MYRBlue Cross Blue Shield of Alabama800-760-6852
MYSBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MYTBlue Cross Blue Shield of Michigan800-344-8525
MYUUnassigned Prefix
MYVRegence Blue Cross Blue Shield of Utah866-227-0913
MYWCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MYXBlue Cross Blue Shield of Oklahoma800-496-5774
MYYCarefirst Blue Cross Blue Shield of Maryland800-248-8410
MYZBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MZAWellmark Blue Cross Blue ShieldIOWA State
800-524-9242
800-362-2218 - Out of State Claims

South Dakota State
800-774-3892
800-774-3892 - Out of State Claims
MZBHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
MZCBlue Cross Blue Shield of Rhose Island800-230-9050
800-676-2583 - Out of State
800-637-3718 - Facility
800-831-2400 - Dental
MZDBlue Cross Blue Shield of Illinois800-972-8088
MZEBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MZFBlue Cross Blue Shield of Illinois800-972-8088
MZGBlue Cross Blue Shield of Illinois800-972-8088
MZHUnassigned Prefix
MZIUnassigned Prefix
MZJBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
MZKUnassigned Prefix
MZLBlue Cross Blue Shield of Alabama800-760-6852
MZMBlue Cross Blue Shield of Minnesota800-262-0820
MZNBlue Cross Blue Shield of North Carolina800-446-8053
MZOBlue Cross Blue Shield of Michigan800-344-8525
MZPBlue Cross Blue Shield of Michigan800-344-8525
MZQUnassigned Prefix
MZRUnassigned Prefix
MZSBlue Cross Blue Shield of North Carolina800-446-8053
MZTBlue Cross Blue Shield of Minnesota800-262-0820
MZUBlue Cross Blue Shield of South Carolina800-868-2510
MZVBlue Cross Blue Shield of Michigan800-344-8525
MZWUnassigned Prefix
MZXBlue Cross Blue Shield of Minnesota800-262-0820
MZYBlue Cross Blue Shield of Michigan800-344-8525
MZZBlue Cross Blue Shield of Minnesota800-262-0820

Leave a Reply

Your email address will not be published. Required fields are marked *