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