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