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