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