IPA
- Angeles-IPA, A Medical Corporation
- Asian Community Medical Group, Inc. DBA:Associated Dignity Medical Group, Inc.
- California Pacific Physicians Medical Group
- New Life Medical Group, Inc. DBA: Healthy New Life Medical Corp
- Orange County Advantage Medical Group, Inc.
- Orange County Physicians IPA Medical Group, Inc.
DBA: Noble Community Medical Associates, Inc. of Mid-Orange County (St.Peter Medical Group) - Paramount IPA, Inc.
- Regent Medical Group
- Southland Advantage Medical Group
- UCI University Physicians and Surgeons
- United Physicians International, Inc.
Practice Management Assistance
- Kids 1st Medical Group
- Newport Mesa Pulmonary
- Pediatrics & Neonatology Medical Group of OC, Inc.
- StrongKids Medical Group, Inc.