North American Medical Management (NAMM)


Health care is changing dramatically and at a speed that’s breathtaking. Ignite your passion and push the limits of what’s possible by bringing a blend of technology and expertise to help set a direction for how the health system performs best.  If you can do that, you can see yourself as a vital contributor here at ‭North American Medical Management, California, Inc. (NAMM) and OptumCare.  ‬‬‬

As part of the growing UnitedHealth Group family of businesses, we have built a proud reputation as innovators in patient care, providing quality services using electronic capabilities that set the standard in improving the system for everyone. We:

  • Develop and manage provider networks, offering a full range of services that help physicians and other providers coordinate care and streamline their managed care business operations. 
  • Support more than 665 primary care physicians and 4,000 specialists who are collaborating with the premier hospitals in their respective markets.
  • Offer a full range of management services.
  • Adapt and modify each network model to suit the local market needs and align the interests of all providers to work toward mutual goals.

Work with us and you’ll discover a passion for excellence you won’t find anywhere else. And all the while, you’ll be creating your life’s best work.SM 

Headquarters: Ontario, CA
History: Founded in 1995
Network: Over 665 Providers and 4,000 specialists