Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Contra Costa County

Organization Health Maintenance Organization · NPI 1376622977

Contra Costa County is a Health Maintenance Organization in Martinez, California. Registered with an NPI since 2006.

In the registry since
2006

Practice location Address checks out

595 Center Ave Ste 100
Martinez, CA 94553-4633
Phone: (925) 957-5429
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Health Maintenance Organization (primary) Taxonomy 302R00000X

Record details

NPI number1376622977
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationContra Costa County
Authorized official David Lee — Deputy Cfo · (925) 957-5445
Other names Contra Costa Health Plan
NPI enumeratedNovember 3, 2006
Last updated in NPPESOctober 20, 2025
Certification dateOctober 20, 2025
Mailing address50 Douglas Dr Ste 310, Martinez, CA 94553-4003

Other providers in Martinez