- Facey Medical Foundation95432
- FACS Group37300
- Factory 2 UJ1019
- Fairchild FastenersJ1624
- Fairfax County GovernmentJ1884
- Fairmont Specialty Insurance Company of TexasJ1697
- FairPrice62956
- Fairview Health ServicesJ1618
- Falling ColorsFCC20
- Fallon HealthFALLN
- Family Care SpecialistsMPM40
- Family Choice Medical ServicesFCMS2
- Family HealthCare Program of All-Inclusive Care for the ElderlyR3468
- Family Practice Medical Group10145
- Familycare Specialist Medical GroupFCS01
- FAMSA IncorporatedJ1807
- Farm Bureau Health PlansRP061
- Farm Bureau Mutual Insurance Company (Minnesota Only)J1853
- Farm Family14140
- Farmers Civic Property and Casualty CompanyJ1687
- Farmers Exact Property and Casualty CompanyJ1703
- Farmers Fire Insurance ExchangeJ1706
- Farmers InsuranceJ1710
- Farmers Insurance (Auto Only)C1025
- Farmers Insurance Exchange (Workers' Compensation Only)J1563
- Farmers Neighborhood Spirit Property and Casualty CompanyJ1701
- Farmers Truck Insurance ExchangeJ1713
- Farmland Mutual Insurance CompanyJ1551
- FCCIJ1830
- FCE Benefit Administrators33033
- FCL DentalCX090
- Federally Qualified HealthcareFQHC1
- Federated Claims Services CorporationJ1297
- Federated Mutual Insurance Company13935
- Federated Rural Electric (Texas)11118
- Federated Services Insurance Company28304
- FedEx Freight East71056
- FedEx Freight Health BenefitTLU64
- Fenix Medical Group60818
- Fenyx Health83309
- FFVA Mutual InsuranceJ1909
- FHC of Puerto Rico660584821
- Fidelis Care
- Fidelis Care11315
- Fidelity Security Life Insurance CompanyFSL01
- Fire Department City of New York World Trade Center Health PlanFDNYP
- Firefly HealthFRFLY
- Fireman's Fund Insurance Company21873
- First Agency88055
- First Ameritas New York72630
- First Auto and CasualtyJ1585
- First Choice by Select Health South Carolina - Medicaid23285
- First Choice Health91131
- First Choice Health Plan of MississippiMS001
- First Choice Medical GroupFCMG1
- First Choice Medical Group (Meritage)FC001
- First Choice Next57103
- First Choice VIP Care - Medicare Advantage (D-SNP)32456
- First Choice VIP Care Plus - Medicare and Medicaid77009
- First Health Network82018
- First Health Network (Coventry National)11190
- First Managed Care Options, Inc.40270
- First Medical Health Plan37624
- First Medical Network10916
- First Medical Puerto Rico Government Health Plan (VITAL)GHP660537624
- First Plan BlueTFZ08
- First Primary CareFPC36
- FirstCare94998
- FirstCare Health Plans10870
- FirstCarolinaCareFCC01
- FirstCompJ1011
- FKI Industries IncorporatedJ1047
- Flex CompensationR7004
- Florida BlueBCBSF
- Florida Blue MedicareFBM01
- Florida Community CareFLCCR
- Florida Complete CareFLCPC
- Florida Fruit and Vegetable AssociationJ1910
- Florida Health Administrators86753
- Florida Health Care Plans59322
- Florida HospitalVB001
- Florida Program of All-Inclusive Care for the Elderly CenterFLPAC
- Florida True Health26492
- Flume Health Inc.FH205
- Foremost11185
- Forest County Potawatomi Insurance Department25059
- Forge Industrial StaffingJ1529
- Foundation for Medical Care of Tulare and Kings Counties85362
- Foundation HealthFH001
- Fox Everett64069
- Fox Valley Medicine Site 199FVMCH
- Franciscan AllianceJ1883
- Franciscan PurdueFAIPUR
- Franciscan Senior Health and Wellness PACEFSHW1
- Frankenmuth MutualJ1440
- Free Market Administrators41202
- Freedom Claims Management67136
- Freedom Health
- Freedom Health41212
- Freedom Life Insurance of America62324
- Fringe Benefit Coordinators59204
- Fringe Benefit Group93158
- Fringe Benefit Group45289
- Frontier Direct CareIHS14
- FrontPath Health Coalition34171
- FulcrumFUL32
- Fullerton Union High School District (CA)J1633