- C
C and O Employees’ Hospital Association23708 - CCalifornia Care EncountersHM006
- CCalifornia Clinical Research Emphasis Humboldt Del NorteIP059
- C
California Eye Care New Century HealthNCH05 - CCalifornia Fair Services AuthorityJ1535
- C
California Home Health And Hospice (Medicare California Part A)06014ELIGIBILITY - CCalifornia Independent Practice AssociationCTPL1
- CCalifornia Insurance Guarantee Association (CIGA)J1532
- CCalifornia Kids CareCKC01
- C
California Pacific Medical Center94056 - C
CalOptimaCALOPELIGIBILITY - C
Calvos SelectCareCALSC - CCambridge Integrated ServicesJ1819
- C
Cameron Manufacturing and Design25831 - C
Camp LeJeune Family Member ProgramCLFM1 - C
Canon Cochran Management Services Incorporated71057 - C
Canopy Health15821 - CCapistrano Unified School District (California)J1637
- C
Capital Blue Cross of Pennsylvania100952ELIGIBILITY - C
Capital Health Plan95112ELIGIBILITY - C
Capitol Administrators (Lucent Health)68011ELIGIBILITY - CCapitol IndemnityJ1262
- CCapitol Insurance CompaniesJ1809
- C
CapRock Health Plans (90 Degree Benefits)CAPHPELIGIBILITY - C
Captrue Benefits34242ELIGIBILITY - C
Cardiovascular Care Providers Incorporated (CVCP)GCVCP - C
Care N' Care66010 - C
Care to Care (Premier)41222 - C
Care1st Health Plan Arizona10981ELIGIBILITY - C
CareCentrix11345 - C
CareCentrix Blue Cross Blue Shield Michigan11349ELIGIBILITY - C
CareCentrix Fallon and MGBH 11346ELIGIBILITY - C
CareCentrix Florida Blue11347ELIGIBILITY - C
CareCentrix Horizon11348ELIGIBILITY - C
CareCentrix Wellcare11350ELIGIBILITY - C
CareCore National (Evicore)14182 - C
CareCore Oxford Radiology14180 - C
CareFactor31074ELIGIBILITY - C
CareFactorCX025 - C
CareFirst Administrators75191ELIGIBILITY - C
CareFirst Blue Cross Blue Shield Maryland00580ELIGIBILITY - C
CareFirst BlueCross BlueShield District of Columbia (NCA)SB580ELIGIBILITY - C
CareFirst BlueCross BlueShield Medicare Advantage45282ELIGIBILITY - C
CareFirst Community Health Plan Maryland45281ELIGIBILITY - C
CareFirst Medicare Advantage193ELIGIBILITY - C
Careington Benefit Solutions60601 - CCarelink80133
- C
Carelon Aetna Home Health34010 - C
Carelon Anthem Home Health34009 - C
Carelon Behavioral HealthBHOVOELIGIBILITY - C
Carelon Behavioral Health CA - CYBHI ProgramBHOTPELIGIBILITY - C
Carelon Health of PennsylvaniaBHOPAELIGIBILITY - C
Caremore Health - Advanced Primary CareCMENC - C
CareOregon93975ELIGIBILITY - C
CarePartners of Connecticut16307ELIGIBILITY - C
CarePlus95092ELIGIBILITY - C
CareSourceCRSCKELIGIBILITY - C
CareSource (Common Ground Healthcare Cooperative )77170ELIGIBILITY - C
CareSource Georgia (Marketplace)GACS1ELIGIBILITY - C
CareSource IndianaINCS1ELIGIBILITY - C
CareSource KentuckyKYCS1ELIGIBILITY - C
Caresource Military and VeteransMVCS1ELIGIBILITY - C
CareSource Nevada MarketplaceNVCS1ELIGIBILITY - C
CareSource Nevada MedicaidNVMD1ELIGIBILITY - C
CareSource North CarolinaNCCS1ELIGIBILITY - C
CareSource of Michigan MedicaidMIMCDCS1ELIGIBILITY - C
CareSource Ohio Marketplace31114ELIGIBILITY - C
CareSource Ohio Medicaid0003150ELIGIBILITY - CCareSource Ohio Medicaid Vision3150V
- C
CareSource PASSEARCS1ELIGIBILITY - C
CareSource West VirginiaWVCS1ELIGIBILITY - C
CareWorks10010 - CCareworks Consultants Incorporated - Ohio onlyJ1866
- CCarharttJ1931
- C
Carisk Partners33632 - CCarl Warren Carolina United National LaborJ1932
- C
Carolina Behavioral Health Alliance56215 - CCarolina Care Plan, Inc. (CCP)10762ELIGIBILITY
- C
Carolina SeniorCare71499 - C
Carpenters Benefit PlanCWSTLELIGIBILITY - C
Carpenters Combined FundsTFQ25ELIGIBILITY - C
Cascade Health AllianceCHA01ELIGIBILITY - CCasitas Municipal Water District (California)J1630
- C
Caterpillar Inc.37060ELIGIBILITY - C
Catholic Health System PACER3486 - C
Catilize Health00317 - CCavalryCAV63ELIGIBILITY
- C
CBA Blue03036ELIGIBILITY - CCC Development Group IncorporatedJ1900
- C
CCA Health MichiganRHP01 - C
CCA Health of California Fee-for-ServiceTU127 - C
CCMSI36346 - C
CCMSIJ1010 - CCCMSI – Workers CompensationDJVJP
- C
CCMSI (Cannon Cochran Management Services, Inc.)37105 - C
CDPHP141641028ELIGIBILITY - C
Cedar Gate TechnologiesGLOBALHEALTHCARE - C
Cedar Valley Community Healthcare44827ELIGIBILITY - C
Cedars-Sinai Medical Network Services95166 - C
Cedars-Sinai Medical Network Services95167 - C
CEHAS Plan Administrators 91888 - C
Celtic68063ELIGIBILITY - C
Cement Masons Union Local 50234643 - C
CenCal Health95386ELIGIBILITY - CCendant CorporationJ1034
- CCenpatico Behavioral Health Florida10568ELIGIBILITY
- CCenpatico Behavioral Health Indiana10570ELIGIBILITY
- CCenpatico Behavioral Health Massachusetts10588ELIGIBILITY
- C
Centauri Health Solutions14043 - C
Centene (Behavioral Health)68068ELIGIBILITY - C
Centene Dental and Vision Services46278ELIGIBILITY - C
Center Care (Meritain)13357 - C
Center Care SelectCC002 - C
Center for Elders’ Independence94312 - C
Center IPAPOP01 - C
CenterLight Healthcare13360 - CCenters Plan for Healthy LivingCPHL
- C
Centinela Valley IPAMPM03 - C
Centivo45564ELIGIBILITY - C
Central California Alliance for Health10884ELIGIBILITY - C
Central California Physician PartnersNMM10 - CCentral Contra Costa Transit AuthorityJ1605
- C
Central Data Services88088 - C
Central Health Medicare PlanUC001ELIGIBILITY - C
Central Health Medicare Plan CHCPIELIGIBILITY - CCentral Hockey LeagueJ1035
- C
Central Pennsylvania Teamsters Health & Welfare FundTLU51ELIGIBILITY - CCentral Reserve Life34097ELIGIBILITY
- CCentral Valley Health PlanCVH01
- C
Central Valley Medical Providers (CVMEDPRO)MPM59 - C
Centric Healthcare ServicesQCIPA - C
Centrix Benefit Administrators57117ELIGIBILITY - C
Centurion HealthIHS11 - CChaffey Joint Union High School District (California)J1646
- C
Chaffey Medical Group49533 - CChampion Chevrolet99795
- C
Champion Payer SolutionsCPS01 - C
CHAMPVA10061ELIGIBILITY - C
CHAMPVA HAC84146ELIGIBILITY - C
Charles TaylorJ4258 - CCharming Shoppes IncorporatedJ1036
- CChautauqua Healthcare Plan16600
- C
Cherokee Nation Comprehensive Care AgencyCHERO - CChesapeake InsuranceJ1908
- C
Chesterfield Resources34154 - CChesterfield Services IncorporatedJ1479
- C
Chicago Health Systems36334 - C
Chicago Regional Council of CarpentersTLY40ELIGIBILITY - C
Children First Medical Group94321 - C
Children's Mercy Pediatric Care Network10906ELIGIBILITY - C
Children's Physicians Medical GroupRCHN1 - C
Children's Specialist of San DiegoCSSD2 - C
Chinatown Service CenterR3478 - C
Chinese Community Health Plan94302 - CChino Valley Medical CenterCVMC1
- CChiroMetrics33070
- CChiropractic Association of South DakotaDAKCH
- CChiropractic Association of South Dakota Sanford Health PlanCASD2
- CChiropractic Health Plan (CHP)U1439
- C
CHOC Children's Hospital Orange County Health Alliance33065 - C
Choice Medical GroupCMG01 - C
Choice Physician NetworkCPN01 - C
Choice Physicians Network - RINCOCPNR1 - C
Choice Physicians Network (Nivano Physicians)CPNNP - C
Choice Physicians Network Advent Health Medical CorporationCPNAH - C
Choice Physicians Network First ChoiceCPNFC - C
Choiceone Independent Practice AssociationPOP03 - C
Chorus Community Health Plans29123ELIGIBILITY - C
Christian Brothers Services38308ELIGIBILITY - C
Christian Care Ministry59355ELIGIBILITY - C
Christian Health Aid98628 - C
Christiana Care Value-Based ReimbursementVB002 - C
Christus Health Medicare Advantage10629ELIGIBILITY - C
Christus Health Plan LA Exchange52106ELIGIBILITY - C
Christus Health Plan Nueces County Hospital District45210ELIGIBILITY - C
Christus Health US Family Health Plan90551ELIGIBILITY - C
CHS Alta POD by MedPointMPM20 - C
Chubb and SonC1052 - CChubb and SonJ1554
- CChubb ServicesJ1561
- CChubb Services – Workers CompensationLZPWK
- CChurch Mutual Insurance Company (Auto Only)J1264
- CChurch Mutual Insurance Company (Liability Only)J1266
- CChurch Mutual Insurance Company (Workers' Compensation Only)J1725
- C
Cigna62308ELIGIBILITY - C
Cigna Medicare SupplementARLMSELIGIBILITY - C
Cigna Medicare Supplement (Medigap)13193ELIGIBILITY - CCincinnati InsuranceJ1562
- CCinqcare ConnectCINQ1
- C
Cities and Villages Mutual Insurance Company1919T - CCitizens Insurance Company of AmericaJ1582
- CCitrus Valley Health PartnersJ1613
- CCitrus World IncorporatedJ1945
- C
City and County of San Francisco (CCSF)J1885 - CCity of ArlingtonA0033
- CCity of Banning (California)J1792
- CCity of Barstow (California)J1793
- CCity of Blythe (California)J1794
- CCity of BreaJ1880
- CCity of CharlotteJ1928
- CCity of DallasJ1441
- CCity of Desert Hot Springs (California)J1799
- CCity of El PasoA0046
- CCity of Fort Worth (Texas)J1680
- CCity of Fountain Valley (California)J1632
- CCity of Fountain Valley (California)J1634
- CCity of Glendale (Arizona)J1800
- CCity of HoustonJ1444
- CCity of JacksonvilleJ1504
- CCity of La Mesa 11 (California)J1711
- CCity of Laguna Hills (California)J1653
- CCity of Los AngelesJ1536
- CCity of Miami Beach (Florida)J1946
- CCity of MinneapolisJ1269
- CCity Of MinneapolisA0287
- CCity of Monrovia (California)J1714
- CCity of Montebello (California)J1640
- CCity of Murieta (California)J1797
- CCity of Omaha (Nebraska)J1721
- CCity of OrangeJ1881
- CCity of Perris (California)J1795
- C
City of Pompano Beach (Florida)J1947 - CCity of Redding (California)J1617
- CCity of RialtoJ1901
- CCity of SalinasJ1849
- CCity of San DiegoJ1497
- CCity of San Jacinto (California)J1796
- C
City of San Mateo (California)J1727 - CCity of Snyder (Texas)J1598
- CCity of St. Paul (Minnesota)J1602
- CCity of Stanton (California)J1636
- CCity of Stockton (California)J1664
- C
City of Topeka (Kansas)J1607 - C
City of Upland (California)J1645 - CCity of VisaliaTKFMC
- C
City of West Covina (California)J1649 - C
City of West Palm Beach (Florida)J1948 - CCity of Westminster (California)J1700
- CCity of Yorba Linda (California)J1708
- C
Clackamas County Mental HealthCCMMH - C
ClaimChoice83063 - C
ClaimChoice Administrators38219 - CClaims Administrative Services (CAS)J1271
- C
Claims Development Corporation43056 - CClaimsBridge High Performance Network11752
- CClaimsBridge Payer 3IHS03
- C
Claritev34080 - C
Claritev36326 - CClassic Residence by HyattJ1037
- C
Clear Health AllianceCLEARELIGIBILITY - C
Clearwater BenefitsDCRSSELIGIBILITY - C
Clever Care Health PlanCC168 - C
Clifton Health Systems DBA Actin Care Groups24585 - CClinical Specialties IncorporatedCSI001
- CClinical Specialties IncorporatedCSI01
- C
Clinicas del Camino RealCDCR1 - CClougherty Packing LLCJ1739
- C
Clover Health13285ELIGIBILITY - C
Clover HealthCRPHPELIGIBILITY - C
CNA Insurance20443 - CCNA Insurance – Workers CompensationXDGJL
- CCNA Insurance (Auto Only)C1035
- C
Co-ordinated Benefits Plans14829 - CCoach USAJ1272
- CCoachella Medical GroupCOMG1
- CCoachella Valley Water District (California)J1902
- C
Coastal Administrative ServicesCAS89 - CCoastal Care Services47394
- C
Coastal Community Physician Network (CCPN) (Regal)CCPN1 - C
Coastal TPA77052 - CCoca-Cola Enterprises IncorporatedJ1038
- C
Coeur Plan Services98653 - CCollective Health36480
- C
Collective Health Administrators36479ELIGIBILITY - C
Colonial Penn Life37077ELIGIBILITY - C
Colorado AccessCOACCELIGIBILITY - CColorado CasualtyJ1428
- C
Colorado Community Health AllianceCOCHAELIGIBILITY - CColorado Health Insurance Cooperative49718
- CColumbia Sussex CorporationJ1039
- C
Columbine Health PlanCHP02 - CCommercial Travelers88091
- CCommons Clinic Medical NetworkCOMCL
- C
Commonwealth Care Alliance (CCA)A2793ELIGIBILITY - C
CommuniCare Advantage34525 - C
Community Behavioral Health232766661 - C
Community Care Alliance of Illinois85468ELIGIBILITY - CCommunity Care Associates17902
- C
Community Care Behavioral Health Organization23282ELIGIBILITY - C
Community Care CollaborativeTCMAP - C
Community Care Family Care60995 - C
Community Care Family Care Partnership or PACE39126 - C
Community Care Independent Practice AssociationMPM48 - C
Community Care Plan59064 - C
Community Care Plan (Broward Health PPUC)BHPP1 - C
Community Care Plan (Florida Healthy Kids)FHKC1 - C
Community Care Plan (Managed Medical Assistance)59065 - CCommunity Development Commission (California)J1655
- CCommunity Eye CareCECVP
- C
Community Family CareNMM05 - C
Community First Health PlansCOMMFELIGIBILITY - C
Community Health Alliance35193 - C
Community Health Center NetworkCHCN1 - C
Community Health Choice48145ELIGIBILITY - C
Community Health Choice60495ELIGIBILITY - C
Community Health Group66170ELIGIBILITY - C
Community Health NetworkPRO-HEALTHELIGIBILITY - C
Community Health Options45341ELIGIBILITY - C
Community Health Plan of WashingtonCHPWAELIGIBILITY - C
Community LIFE23283 - C
CommunityCare73143ELIGIBILITY - CCommunityCare IPAAMM12
- C
Companion Life48005 - CCompanion Life Insurance Company of California (LOB CLIC)2838
- CCompanion Property and Casualty Insurance CompanyJ1829
- CCompass Group USA IncorporatedJ1040
- C
Compass Health Administrators45687 - C
CompBenefits DentalCX021ELIGIBILITY - C
CompIQZP6222 - CComplementary Health Care93101
- C
Complete Senior Care, PACER3485 - CComprehensive Care ManagementCCMC1
- C
ComPsych37363 - CCompuSys of ColoradoCOMPU
- CCompWestJ1925
- CCon-way IncorporatedJ1844
- C
Concentrix Insurance Solutions19028 - C
Conifer Health Solutions23249 - C
Conifer Health Solutions95399 - C
Conifer Health SolutionsCAPMN - C
ConnectiCare101259ELIGIBILITY - C
Connecticut Behavioral Health PartnershipBHOCTELIGIBILITY - CConnecticut Carpenters Health Fund37307ELIGIBILITY
- CConnecticut Carpenters Health PlanTLU56ELIGIBILITY
- C
ConnectiveRx82694 - C
Consociate Health37135ELIGIBILITY - C
Consociate Health for Cancer and Transplant12132 - CConsolidated Associates Railroad75284ELIGIBILITY
- CConsolidated Tribal Health ProjectCTPRC
- CContainer Graphics Corporation08680
- CContech Construction ProductsJ1041
- C
Contessa HealthCH201 - C
Contessa Health Security Health PlanCH101 - CContinental AirlinesJ1042
- C
Continental GeneralCGIMSELIGIBILITY - CContinental Western Insurance Company (CWG)J1274
- CContinuum Health Solutions LLC46478
- CContinuum Health Solutions LLC - Worker Compensation59557
- CContra Costa Behavioral Health PlanCCMHP
- CContra Costa County Schools Insurance Group (CCCSIG)J1715
- C
Contra Costa Health PlanCCHSELIGIBILITY - CConvergys CorporationJ1043
- C
Cook Children's Health Plan (CHIP)CCHP1ELIGIBILITY - C
Cook Children's Health Plan (STAR)CCHP9ELIGIBILITY - C
Cook Group Health Plan35149 - C
Cook Medical Group60065ELIGIBILITY - C
CopperPoint Insurance Companies19416 - CCopperpoint Mutual Insurance CompanyJ2093
- C
Coralisle Group22284 - C
Coralisle Group22285 - C
Coralisle Group22286 - C
Coralisle Group22287 - C
Core Benefits Multimatic Tennessee LLC47165 - C
Core Management Resources GP58231ELIGIBILITY - C
CoreCivic55962 - C
CoreCivicJ1942 - C
CoreSource (FMH)10311ELIGIBILITY - CCorinthian CollegesJ1517
- CCornerstone Benefit Administrator16615ELIGIBILITY
- CCornerstone Hospice and Palliative Care, Inc.RP111
- C
Cornerstone Preferred ResourcesCB268 - C
Corporate Benefit Services (90 Degree Benefits)56116ELIGIBILITY - CCorporate Plan Management Incorporated64270
- C
CorrectCare (Georgia Correctional Healthcare Adult Health)GCHCAH - C
CorrectCare (Louisiana Prisons and Parish Jails)LADOC - C
CorrectCare Integrated HealthCCIH - C
CorrectCare Integrated Health (Non-Louisiana Jails)CCIHJAIL - C
Correctional Health PartnersPHPMC - CCorrectional Management ServicesJ1044
- CCorrections Corporation of AmericaJ1045
- C
CorVel Single Payor ID – Workers CompensationJQVLD - CCottingham and Butler Claims Services IncorporatedJ1683
- CCountry Casualty Insurance CompanyJ1684
- CCountry Insurance Modern Services Casualty Insurance CompanyJ1712
- CCountry Insurance Mountain States InsuranceJ1572
- CCountry Insurance Mutual Service Insurance Preferred Insurance CompanyJ1591
- C
Country Life Insurance CompanyCNTYFELIGIBILITY - CCountry Mutual Insurance CompanyJ1702
- CCountry Preferred Insurance CompanyJ1705
- CCounty Medical Services ProgramCMSP1
- C
County of FresnoAMM21 - CCounty of Humboldt (California)J1603
- CCounty of KernJ1935
- CCounty of Los Angeles (AIMS Santa Clarita)J1723
- CCounty of Los Angeles (Tristar Santa Ana)J1722
- CCounty of Los Angeles CaliforniaJ1625
- CCounty of Sacramento - Emergency Medical Services FundAMM20
- CCounty of San DiegoJ1513
- C
County of Santa Barbara (California)J1631 - CCounty of Shasta (California)J1616
- CCounty of Sonoma (California)J1662
- CCounty of Tulare (California)J1666
- C
CountyCare06541ELIGIBILITY - CCoventry Health Care Inc (Promina)00193
- C
CoventryCares - Aetna Better Health of MI (J8) - JVHLJ8JVHL - CCOVET98480
- C
Covet HealthIHS21 - CCow Creek Band of Umpqua Tribe of Indians (CCBUTI)98477
- C
Coworx Staffing LLCJ1046 - C
Cox HealthPlans00019ELIGIBILITY - C
CoxHealth NetworkIHS28 - C
CPR Share PlansCB695 - C
Create Health PlansCREA8ELIGIBILITY - C
Creative Plan Administrators37320 - CCrescent Health Solutions56213
- C
Crossway HealthShare33213 - C
Crown City Medical Group (CCMG)MPM35 - C
Crum and Forster31348ELIGIBILITY - CCrum and Forster – Workers CompensationWQVPL
- C
Crumdale Claims Solutions69933ELIGIBILITY - C
CSEA Employee Benefit FundCX054 - C
CSI Life Insurance CompanyZ95707ELIGIBILITY - CCSI Life Insurance Company – Workers CompensationVLGPQ
- C
Culinary Health Fund59140ELIGIBILITY - C
Culinary Health Fund59144ELIGIBILITY - C
CuraechoiceCC304 - C
CurativeCURTVELIGIBILITY - C
Custom Design Benefits82056ELIGIBILITY - C
CVS Caremark Minute ClinicJ1457 - C
CWIBenefits57080 - C
Cypress Benefit (Lucent Health)07689ELIGIBILITY - C
Cypress DentalTLZ04