Contra Costa Medical Services
NPI 1386770931 · Health Maintenance Organization · Martinez, CA
Contra Costa Medical Services is a Health Maintenance Organization organization in Martinez, CA (NPI 1386770931).
Provider details
- NPI number
- 1386770931
- Entity type
- Organization
- Primary specialty
- Health Maintenance OrganizationManaged Care Organizations
- Organization subpart
- No
- Authorized official
- Frank Lee, Government Relations Director(925) 313-6082
- License
- 9330054 (CA)
Specialties & taxonomies
Managed Care Organizations
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Contra Costa Health Plan
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2008-08-08
Frequently asked questions
- What is Contra Costa Medical Services's NPI number?
- Contra Costa Medical Services's National Provider Identifier (NPI) is 1386770931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Contra Costa Medical Services?
- Contra Costa Medical Services is classified in the NPPES registry as Health Maintenance Organization (Managed Care Organizations).
- Where is Contra Costa Medical Services located?
- Contra Costa Medical Services's practice location on file with NPPES is 595 Center Ave Ste 100, Martinez, CA 94553-4629.
- What is Contra Costa Medical Services's phone number?
- The practice phone number listed in the NPPES registry for Contra Costa Medical Services is (925) 313-6000.
- Who is the authorized official for Contra Costa Medical Services?
- The authorized official listed on Contra Costa Medical Services's NPPES record is Frank Lee, Government Relations Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Contra Costa Medical Services's NPI active?
- Yes — Contra Costa Medical Services's NPI (1386770931) is active in the NPPES registry as of the last update on 2008-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.