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