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What we do 

North American Medical Management California, Inc., part of OptumCare®, (NAMM California) develops and manages provider networks, offering a full range of services to assist physicians and other providers in their managed care and business operations.

For over 25 years, NAMM California has been an innovator in health care with a track record for quality service and electronic capabilities, as well as financial stability. 

NAMM is well-positioned to continually invest in its infrastructure and systems for the benefit of its clients and to accommodate the impending changes that will come forth from health care reform. 


NAMM California clients

NAMM California clients represent a network of 800+ primary care physicians and 2,000+ specialists:

  • PrimeCare:
    • PrimeCare Chino
    • PrimeCare of Citrus Valley
    • PrimeCare of Corona
    • PrimeCare of Hemet Valley
    • PrimeCare of Inland Valley
    • PrimeCare of Moreno Valley
    • PrimeCare of Redlands
    • PrimeCare of Riverside
    • PrimeCare of San Bernardino
    • PrimeCare of Sun City
    • PrimeCare of Temecula
  • Empire Physicians Medical Group
  • Mercy Physicans Medical Group
  • Primary Care Associates
  • Valley Physicians Network
  • Riverside Physician Network

A key affiliate in the California operations is PrimeCare Medical Network, Inc. (PMNI or PrimeCare). PMNI has a limited California Knox-Keene license for the counties of Riverside, San Bernardino and San Diego. 

This enables PMNI to accept both institutional and professional risk to enhance the coordinated care model. PMNI currently accepts global capitation for most of its senior plans and one of its commercial plans. 

As a Knox-Keene licensee, the Department of Managed Health Care subjects PMNI to stringent measures to ensure that the company maintains its financial solvency requirements and compliance to multiple operational standards.

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