What departments does NAMM California have?

NAMM California has employees across 14 departments including Finance, Human Resources, Operations, Information Technology, Program & Project Management.

What is the largest department at NAMM California?

The largest department at NAMM California is Supply Chain with 8 employees.

Where are NAMM California employees located globally?

NAMM California has employees across 2 continents and 4 countries including Spain, United States Of America, Mexico, El Salvador.

How has NAMM California's team size changed over time?

NAMM California's team has decreased from approximately 102 to 85 employees based on available data.

NAMM California Employee Directory

Hospitals and Health CareCalifornia, United States51-200 Employees

NAMM California, Inc., part of OptumCare, operates in the Hospitals and Health Care sector and is based in Ontario, California. It develops and manages provider networks, offering a full range of services to support physicians and other providers in managed care and business operations. With more than 25 years in health care, NAMM has a track record of quality, stability, and service, underpinned by advanced electronic capabilities.

Its client network comprises over 600 primary care physicians and 1,500 specialists who work with premier hospitals in their markets. NAMM positions itself as an infrastructure-focused partner that can invest in systems to accommodate changes anticipated from health care reform.

NAMM California Global Highlights

North America
238

United States Of America
236
Mexico
1
El Salvador
1

Europe
1

Spain
1

NAMM California's Leadership

E. P.
Chief Executive Officer
Mobile Phone
Email
Y. M.
Vice President Network Operations
Mobile Phone
Email
A. C.
President
Mobile Phone
Email
A. L.
Owner & Principal
Mobile Phone
Email
A. I.
Propietario
Mobile Phone
Email
D. T.
Vice President, Finance
Mobile Phone
Email
P. G.
Vice-President , Human Resources
Mobile Phone
Email
M. M. I.
Director , Human Resources
Mobile Phone
Email

NAMM California Employee Metrics

100%

50%

0%

2026

2025

Healthcare Services
Community & Social Services
Administrative
Business
Engineering
Other
Analytics

Contact profiles from NAMM California

Name

Title

Contact

Location

Last Update

E. S.
Took Administering System Center Configuration Manager Oll
Mobile Phone
Email
Oct 23, 2024
J. R.
Supervisor
Mobile Phone
Email
Apr 25, 2025
M. V.
Supervisor Office Admin And Executive Assistant
Mobile Phone
Email
Oct 16, 2024
O. P.
Project Manager
Mobile Phone
Email
Oct 22, 2024
P. M.
Manager Of Process Improvement
Mobile Phone
Email
Oct 23, 2024
R. D.
Supervisor
Mobile Phone
Email
Oct 23, 2024
S. S. M.
Utilization Management Manager
Mobile Phone
Email
Oct 22, 2024
Y. F.
Senior Manager, Network Contract
Mobile Phone
Email
Oct 16, 2024
B. H.
Registered Nurse Case Manager
Mobile Phone
Email
Sep 05, 2026
K. V.
Nurse Case Manager
Mobile Phone
Email
Sep 03, 2026

Frequently Asked Questions

What is NAMM California known for?

NAMM California was founded in 1993 and operates in the Hospitals and Health Care industry. You can contact NAMM California's main corporate office by phone at

+1-909-605-****

. Explore NAMM California's company overview page for more information.

What is NAMM California's most common email format?

NAMM California employees' email format typically follows the pattern of FLast@nammcal.com. Trying to find reliable and up-to-date employee contact data? Find more NAMM California email formats with LeadIQ.

How many employees does NAMM California have currently?

NAMM California has approximately 135 employees as of September 2026. These team members are located across 2 continents, including North America and Europe.

Who are NAMM California's key employees and leadership?

As of September 2026, NAMM California's key employees include:

Chief Executive Officer: E. P.
Vice President Network Operations: Y. M.
President: A. C.
Owner & Principal: A. L.
Propietario: A. I.

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NAMM California Employee Directory

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