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