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