Is NAMM California hiring right now?

NAMM California has no open roles listed as of October 24, 2026. Roles appear here as soon as they are posted on NAMM California's careers site.

Where is NAMM California headquartered?

NAMM California is headquartered in Ontario, CA, United States and was founded in 1995.

Who leads NAMM California?

Jamie Phillips, President, is at the top of NAMM California's org chart.

How do I apply for a job at NAMM California?

Pick a role on NAMM California's TheJobsMap page and select Apply. Every listing links to the original posting on NAMM California's own careers site, so you apply directly with the employer.

NAMM California jobs and careers

Ontario, CA, United States

As of October 24, 2026, NAMM California has no open roles listed.

nammcal.com LinkedIn

About NAMM California

North American Medical Management (NAMM) California, Inc., part of OptumCare®, develops and manages provider networks, offering a full range of services to assist physicians and other providers in their managed care and business operations (the “Clients”). For over 25 years, NAMM has been an innovator in health care with a track record for quality, financial stability, extraordinary services and superior electronic capabilities. 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 healthcare reform. The NAMM Clients represent a network of over 600 primary care physicians and 1,500 specialists and work with the premier hospitals in their respective markets.

Health Care Insurance Medical Devices Medical

Founded: 1995
Employees: 501 to 1,000
Headquarters: Ontario

Leadership

The top of NAMM California's org chart, with how many people report into each leader.

Jamie Phillips

President

23 reports

Diane Gephart

Executive Director

13 reports

Rod st.

CMO

7 reports

Patricia Gutierrez

Vice President Human Resources

Jobs at NAMM California

No open positions right now. Explore more companies on TheJobsMap.

NAMM California jobs: common questions

Is NAMM California hiring right now?: NAMM California has no open roles listed as of October 24, 2026. Roles appear here as soon as they are posted on NAMM California's careers site.
Where is NAMM California headquartered?: NAMM California is headquartered in Ontario, CA, United States and was founded in 1995.
Who leads NAMM California?: Jamie Phillips, President, is at the top of NAMM California's org chart.
How do I apply for a job at NAMM California?: Pick a role on NAMM California's TheJobsMap page and select Apply. Every listing links to the original posting on NAMM California's own careers site, so you apply directly with the employer.