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