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