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