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