BCBS Alpha Prefix List from OAA to OZZ

BCBS Alpha Prefix ListBlue Cross Blue Shield CompaniesBCBS Phone Numbers
OABUnassigned Prefix
OACAnthem Central Region (OH, IN, KY)
OAEUnassigned Prefix
OAFUnassigned Prefix
OAGAnthem Blue Cross Blue Shield of Colorado877-833-5742 - HMO, Anthem BCBS PPO/Indemnity Plans
800-827-6422 - HMO Guest mebmership or Away from Home Care
866-438-9969 - Medicare Supplement Plans

Anthem Associates and Retirees
877-833-5742
800-433-5447
800-234-0111

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

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

800-433-5447 - National Par Accounts

888-817-3717 - Blue Card
800-676-2583 - Eligibility
OAKUnassigned Prefix
OALUnassigned Prefix
OAMHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OAPHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OARUnassigned Prefix
OATBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
OAUBlue Cross Blue Shield of Michigan800-344-8525
OAYUnassigned Prefix
OBAAnthem 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
OBBHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OBDUnassigned Prefix
OBEBlue Cross Blue Shield of Michigan800-344-8525
OBFHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OBGBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
OBHCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OBIBlue Cross Blue Shield of Minnesota800-262-0820
OBJPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
OBKAnthem Central Region (OH, IN, KY)
OBLCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OBMCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OBNUnassigned Prefix
OBOHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OBPUnassigned Prefix
OBRWellmark 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
OBSUnassigned Prefix
OBTPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
OBUBlue Cross Blue Shield of Alabama800-760-6852
OBVAnthem 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
OBWIndependence 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
OBXAnthem 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
OCAAnthem 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
OCBUnassigned Prefix
OCCAnthem 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
OCDUnassigned Prefix
OCEUnassigned Prefix
OCFAnthem 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
OCGUnassigned Prefix
OCHUnassigned Prefix
OCIBlue Cross Blue Shield of South Carolina800-868-2510
OCJUnassigned Prefix
OCKUnassigned Prefix
OCLCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OCMWellmark 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
OCNUnassigned Prefix
OCOBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
OCPAnthem
OCQIndependence 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
OCRIndependence 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
OCSBlue Cross Blue Shield of Florida800-727-2227
OCTUnassigned Prefix
OCVCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OCWAnthem 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
OCXCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OCYCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OCZIndependence 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
ODAUnassigned Prefix
ODBAnthem
ODCWellmark 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
ODDBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
ODFUnassigned Prefix
ODGAnthem Central Region (OH, IN, KY)
ODHUnassigned Prefix
ODMBlue 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
ODNBlue Cross Blue Shield of South Carolina800-868-2510
ODOUnassigned Prefix
ODPUnassigned Prefix
ODRCarefirst Blue Cross Blue Shield of Maryland800-248-8410
ODSUnassigned Prefix
ODUEmpire Blue Cross Blue Shield of New York800-552-6630
800-713-4173 - out of area Members
800-343-7283 - Traditional Indemnity
ODVWellmark 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
ODXUnassigned Prefix
OECExcellus Blue Cross Blue Shield of New York800-920-8889
800-662-1220 - Blue Option Plus
800-724-1675 - Dental
OEDUnassigned Prefix
OEEBlue Cross Blue Shield of Florida800-727-2227
OEFCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OEGBlue Cross Blue Shield of Kansas816-395-3929
816-395-2176 - Prior Authorization
800-320-9550 - Blue Card Claims
800-676-2583 - Eligibility
OEHAnthem 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
OEIBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
OEKUnassigned Prefix
OELCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OEMUnassigned Prefix
OENBlue Cross Blue Shield of Alabama800-760-6852
OERRegence Blue Cross Blue Shield of Oregon866-227-0913
OESUnassigned Prefix
OETCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OEUUnassigned Prefix
OEVUnassigned Prefix
OEXAnthem 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
OEZBlue Cross Blue Shield of South Carolina800-868-2510
OFGUnassigned Prefix
OFLCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OFMCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OFRAnthem 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
OFSUnassigned Prefix
OGAUnassigned Prefix
OGBUnassigned Prefix
OGCWellmark 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
OGDUnassigned Prefix
OGEBlue Cross Blue Shield of Oklahoma800-496-5774
OGFUnassigned Prefix
OGGCarefirst Administrators866-945-9839
OGHBlue 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
OGIUnassigned Prefix
OGJUnassigned Prefix
OGLWellmark 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
OGMPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
OGOUnassigned Prefix
OGPCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OGQCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OGRWellmark 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
OGSBlue Cross Blue Shield of Louisiana800-495-2583
800-392-4076 - IVR
800-272-3029 - Blue Card
OGTBlue Cross Blue Shield of Western New York800-950-0052
800-444-2012 - Blue Card
OGUUnassigned Prefix
OGVCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OGWUnassigned Prefix
OGXCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OGYPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
OGZCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OHABlue Cross Blue Shield of South Carolina800-868-2510
OHBAnthem Central Region (OH, IN, KY)
OHCBlue Cross Blue Shield of Michigan800-344-8525
OHDBlue 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
OHFAnthem 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
OHGAnthem 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
OHHAnthem Central Region (OH, IN, KY)
OHKWellmark 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
OHMUnassigned Prefix
OHNWellmark 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
OHPAnthem Central Region (OH, IN, KY)
OHRAnthem Blue Cross Blue Shield of Colorado877-833-5742 - HMO, Anthem BCBS PPO/Indemnity Plans
800-827-6422 - HMO Guest mebmership or Away from Home Care
866-438-9969 - Medicare Supplement Plans

Anthem Associates and Retirees
877-833-5742
800-433-5447
800-234-0111

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

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

800-433-5447 - National Par Accounts

888-817-3717 - Blue Card
800-676-2583 - Eligibility
OHSAnthem
OHTAnthem Central Region (OH, IN, KY)
OHUWellmark 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
OHVUnassigned Prefix
OHWWellmark 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
OIAUnassigned Prefix
OIBHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OIFUnassigned Prefix
OIHUnassigned Prefix
OILHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OINHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OJACarefirst Administrators866-945-9839
OJBCarefirst Administrators866-945-9839
OJCWellmark 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
OJGAnthem
OJHBlue 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
OJJUnassigned Prefix
OJMUnassigned Prefix
OJOUnassigned Prefix
OJPUnassigned Prefix
OJRWellmark 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
OJSCarefirst Administrators866-945-9839
OJTCarefirst Administrators866-945-9839
OJWUnassigned Prefix
OJXUnassigned Prefix
OJZUnassigned Prefix
OKBCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OKCBlue Cross Blue Shield of Oklahoma800-496-5774
OKECarefirst Blue Cross Blue Shield of Maryland800-248-8410
OKLUnassigned Prefix
OKNBlue Cross Blue Shield of Michigan800-344-8525
OKPUnassigned Prefix
OKUUnassigned Prefix
OKVUnassigned Prefix
OKWAnthem 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
OKYBlue Cross Blue Shield of Michigan800-344-8525
OLABlue Cross Blue Shield of Kansas816-395-3929
816-395-2176 - Prior Authorization
800-320-9550 - Blue Card Claims
800-676-2583 - Eligibility
OLBWellmark 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
OLCAnthem Central Region (OH, IN, KY)
OLDUnassigned Prefix
OLEAnthem Central Region (OH, IN, KY)
OLFAnthem 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
OLGPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
OLKBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
OLLCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OLMBlue Cross Blue Shield of Arkansas Blue Advantage800-827-4814
501-378-2307

800-451-7302 - Pre Certification
OLNUnassigned Prefix
OLSCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OLTWellmark 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
OLUAnthem Blue Cross Blue Shield of Colorado877-833-5742 - HMO, Anthem BCBS PPO/Indemnity Plans
800-827-6422 - HMO Guest mebmership or Away from Home Care
866-438-9969 - Medicare Supplement Plans

Anthem Associates and Retirees
877-833-5742
800-433-5447
800-234-0111

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

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

800-433-5447 - National Par Accounts

888-817-3717 - Blue Card
800-676-2583 - Eligibility
OLVUnassigned Prefix
OLZBlue Cross Blue Shield of Michigan800-344-8525
OMBAnthem
OMCAnthem Central Region (OH, IN, KY)
OMDUnassigned Prefix
OMEWellmark 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
OMFAnthem 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
OMGBlue Cross Blue Shield of Michigan800-344-8525
OMJIndependence 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
OMKUnassigned Prefix
OMLUnassigned Prefix
OMMAnthem 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
OMNAnthem 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
OMOBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
OMPBlue Cross Blue Shield of Michigan800-344-8525
OMQUnassigned Prefix
OMRUnassigned Prefix
OMSUnassigned Prefix
OMTBlue Cross Blue Shield of Michigan800-344-8525
OMUBlue Cross of Idaho866-482-2250
OMVUnassigned Prefix
OMWBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
OMXUnassigned Prefix
OMYBlue Cross Blue Shield of Vermont888-222-9206
800-395-3389 - Blue Card
ONAAnthem
ONBAnthem Central Region (OH, IN, KY)
ONCUnassigned Prefix
ONDWellmark 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
ONEUnassigned Prefix
ONFCarefirst Blue Cross Blue Shield of Maryland800-248-8410
ONGBlue Cross Blue Shield of Massachusetts800-882-2060 - Provider
800-451-8123 - Facility
800-882-1178 - Dental Providers
800-451-8124 - Ancillary Providers
ONHUnassigned Prefix
ONJWellmark 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
ONKCarefirst Blue Cross Blue Shield of Maryland800-248-8410
ONLAnthem Central Region (OH, IN, KY)
ONMUnassigned Prefix
ONNBlue Cross Blue Shield of South Carolina800-868-2510
ONPAnthem
ONSBlue Cross Blue Shield of Alabama800-760-6852
ONTUnassigned Prefix
ONUCarefirst Blue Cross Blue Shield of Maryland800-248-8410
ONVCarefirst Blue Cross Blue Shield of Maryland800-248-8410
ONXUnassigned Prefix
ONYUnassigned Prefix
ONZUnassigned Prefix
OOAUnassigned Prefix
OOCUnassigned Prefix
OOMUnassigned Prefix
OOOUnassigned Prefix
OOSUnassigned Prefix
OPABlue Cross Blue Shield of Louisiana800-495-2583
800-392-4076 - IVR
800-272-3029 - Blue Card
OPBHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OPCBlue Cross Blue Shield of Oklahoma800-496-5774
OPDUnassigned Prefix
OPEAnthem 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
OPFUnassigned Prefix
OPGAnthem 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
OPHCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OPJUnassigned Prefix
OPKUnassigned Prefix
OPMUnassigned Prefix
OPNBlue Cross Blue Shield of Michigan800-344-8525
OPPWellmark 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
OPQPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
OPRWellmark 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
OPSUnassigned Prefix
OPTCarefirst Administrators866-945-9839
OPVUnassigned Prefix
OPWUnassigned Prefix
OPXUnassigned Prefix
OPYIndependence 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
OQSUnassigned Prefix
ORAWellmark 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
ORBWellmark 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
ORCBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
OREBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
ORFUnassigned Prefix
ORGCarefirst Administrators866-945-9839
ORHUnassigned Prefix
ORKAnthem
ORLAnthem 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
ORMUnassigned Prefix
ORNUnassigned Prefix
ORPAnthem 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
ORRUnassigned Prefix
ORSRegence Blue Cross Blue Shield of Washington866-227-0913
ORTUnassigned Prefix
ORUBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
ORWAnthem 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
ORXBlue Cross of Idaho866-482-2250
OSAUnassigned Prefix
OSBBlue Cross Blue Shield of Alabama800-760-6852
OSCBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
OSEBlue 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
OSFUnassigned Prefix
OSGUnassigned Prefix
OSHCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OSKUnassigned Prefix
OSLBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
OSMBlue Cross Blue Shield of Illinois800-972-8088
OSNAnthem Central Region (OH, IN, KY)
OSOUnassigned Prefix
OSPBlue Cross Blue Shield of Florida800-727-2227
OSQHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OSRUnassigned Prefix
OSSUnassigned Prefix
OSTUnassigned Prefix
OSUBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
OSVUnassigned Prefix
OSWWellmark 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
OSXUnassigned Prefix
OSYBlue Cross Blue Shield of Kansas816-395-3929
816-395-2176 - Prior Authorization
800-320-9550 - Blue Card Claims
800-676-2583 - Eligibility
OSZAnthem 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
OTABlue Cross Blue Shield of Florida800-727-2227
OTBUnassigned Prefix
OTCBlue Cross Blue Shield of Nebraska800-635-0579 Option 2
OTDAnthem 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
OTEAnthem Central Region (OH, IN, KY)
OTFAnthem Central Region (OH, IN, KY)
OTGBlue Cross Blue Shield of Michigan800-344-8525
OTHBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
OTIUnassigned Prefix
OTJCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OTKWellmark 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
OTLBlue Cross Blue Shield of Alabama800-760-6852
OTMUnassigned Prefix
OTNUnassigned Prefix
OTOBlue Cross Blue Shield of North Dakota800-368-2312
OTQCarefirst Administrators866-945-9839
OTSUnassigned Prefix
OTTWellmark 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
OTUWellmark 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
OTVUnassigned Prefix
OTXUnassigned Prefix
OTYUnassigned Prefix
OUCBlue Cross Blue Shield of South Carolina800-868-2510
OUGUnassigned Prefix
OUHAnthem Central Region (OH, IN, KY)
OUIHorizon Blue Cross Blue Shield of New Jersey800-355-2583
OUNUnassigned Prefix
OUPWellmark 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
OUSHighmark Blue Cross Blue Shield800-572-2872 - Delaware
800-294-9568 - Pennsylvania
OVAUnassigned Prefix
OVBCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OVCUnassigned Prefix
OVEAnthem 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
OVFCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OVGUnassigned Prefix
OVHPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
OVKBlue 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
OVLBlue Cross Blue Shield of Western New York800-950-0052
800-444-2012 - Blue Card
OVMWellmark 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
OVPAnthem
OVRUnassigned Prefix
OVSAnthem Central Region (OH, IN, KY)
OVTAnthem
OWAWellmark 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
OWBCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OWCRegence Blue Cross Blue Shield of Oregon866-227-0913
OWDCarefirst Blue Cross Blue Shield of Maryland800-248-8410
OWEBlue Cross Blue Shield of Florida800-727-2227
OWFWellmark 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
OWHUnassigned Prefix
OWKUnassigned Prefix
OWLUnassigned Prefix
OWMAnthem Central Region (OH, IN, KY)
OWNAnthem Central Region (OH, IN, KY)
OWRUnassigned Prefix
OWSUnassigned Prefix
OWTBlue 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
OWZWellmark 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
OXCUnassigned Prefix
OXEUnassigned Prefix
OXMPremera Blue Cross800-722-4714
888-261-9562 - Blue Card
800-276-2583 - Eligibility and Benefits
OXOBlue Cross Blue Shield of Western New York800-950-0052
800-444-2012 - Blue Card
OXPAnthem 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
OXSBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
OXTUnassigned Prefix
OXXUnassigned Prefix
OXYUnassigned Prefix
OYAWellmark 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
OYCHorizon Blue Cross Blue Shield of New Jersey800-355-2583
OYDBlue Cross of Idaho866-482-2250
OYEUnassigned Prefix
OYLBlue Shield of California800-541-6652
800-622-0632 - Blue Card out of area
800-241-4896 - Blue Shield of California NASCO
OYMUnassigned Prefix
OYPBlue 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
OYZBlue Cross Blue Shield of Tennessee800-924-7141

800-468-9736 - Blue Care
800-276-1978 - TennCare Select
OZAUnassigned Prefix
OZCHorizon Blue Cross Blue Shield of New Jersey800-355-2583
OZHUnassigned Prefix
OZLUnassigned Prefix
OZMUnassigned Prefix
OZNUnassigned Prefix
OZSUnassigned Prefix
OZWBlue 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
OZZUnassigned Prefix

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