| Major Providers | Revised 7/06/2006 |
| Aetna PPO/EPO/POS |
| Beech Street/Capp Care |
| Blue Cross Prudent Buyer |
| Blue Shield of California |
| Cigna (PPO, Open Access Plus) |
| Community Care Network (CCN) - (includes PPO Alliance Plus/ProNet) |
| First Health |
| Humana- Hospital Service Only |
| Heath Net (ALL PRODUCT LINES except WC) |
| Interplan (includes MRI Network) |
| Great West-(One Health Plan) - PPO/POS/PPO Next |
| Private Healthcare Systems (PHCS) |
| United Healthcare- First Health Only |
| Specialty Contracts |
Revised 7/06/2006 |
| (Worker's Comp./Personal Injury) |
| Advanced Medical Resources (AMR) |
| Beech Street |
| CCN |
| Claims Management Inc. |
| Diagnostic Village |
| First Health |
| Interplan |
| Paradigm Group Inc. (PGI) |
| Professional Diagnostic Management (PDM) |
| Magnetic Imaging Services (MIS) |
| Medical Diagnostics Associates (MDIA) |
| Galway Medical Funding Corp. |
| One Call Medical (OCM) |
| United Healthcare (Metracomp) |
| West Coast Neurodiagnostics (WCND) |