| 1199SEIU in Marion County, FL | AMERIGROUP in Marion County, FL |
| APS Healthcare in Marion County, FL | Aetna in Marion County, FL |
| Alliance in Marion County, FL | AmeriHealth in Marion County, FL |
| American Behavioral in Marion County, FL | Beech Street in Marion County, FL |
| Behavioral Health Systems in Marion County, FL | BlueCross and/or BlueShield in Marion County, FL |
| CCN in Marion County, FL | CHIPA/College Health in Marion County, FL |
| Cascade Health in Marion County, FL | Ceridian in Marion County, FL |
| ChoiceCare in Marion County, FL | Cigna in Marion County, FL |
| ComPsych in Marion County, FL | Corphealth in Marion County, FL |
| Coventry in Marion County, FL | First Choice Health in Marion County, FL |
| First Health in Marion County, FL | GHI/Group Health Incorporated in Marion County, FL |
| Great-West in Marion County, FL | Guardian in Marion County, FL |
| HFN in Marion County, FL | HIP/Health Plan of New York in Marion County, FL |
| Harvard Pilgrim Health Care in Marion County, FL | Health Net in Marion County, FL |
| Holman Group in Marion County, FL | Horizon Healthcare in Marion County, FL |
| Humana in Marion County, FL | Integrated Health Plan in Marion County, FL |
| Interplan in Marion County, FL | Kaiser in Marion County, FL |
| LifeWise in Marion County, FL | MAMSI in Marion County, FL |
| MHN/Managed Health Network in Marion County, FL | Magellan Behavioral Health in Marion County, FL |
| MagnaCare in Marion County, FL | Medica in Marion County, FL |
| Medicaid in Marion County, FL | Medical Mutual in Marion County, FL |
| Medicare in Marion County, FL | Multiplan in Marion County, FL |
| NCPPO in Marion County, FL | ODS in Marion County, FL |
| Oxford in Marion County, FL | PHCS/Private Health Care Systems in Marion County, FL |
| PPOM in Marion County, FL | PacifiCare in Marion County, FL |
| PacificSource in Marion County, FL | PreferredOne in Marion County, FL |
| Providence in Marion County, FL | Sloans Lake in Marion County, FL |
| TRICARE in Marion County, FL | TriWest0127 in Marion County, FL |
| Tufts in Marion County, FL | UniCare in Marion County, FL |
| Uniform in Marion County, FL | United in Marion County, FL |
| VMC in Marion County, FL | ValueOptions in Marion County, FL |
| WellPoint in Marion County, FL |