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