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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CONTRA COSTA COUNTY
NPI 1124596333
Community/Behavioral Health in Concord, CA

Active since November 06, 2018
2600 STANWELL DR STE 104, CONCORD, CA 94520(925) 655-4961 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 9, 2025, Sep 6, 2023, Nov 6, 2018 (3 updates tracked since 2018).

About Contra Costa County NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CONTRA COSTA COUNTY (NPI 1124596333), doing business as A3 Crisis Services, is a healthcare organization registered as a community/behavioral health in Concord, California and active in the NPI registry since November 2018. The organization lists David D. Lee, Deputy Cfo, as its authorized official.

NPPES Registry Identity

NPI1124596333
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameCONTRA COSTA COUNTY
Location Address2600 STANWELL DR STE 104Concord, CA 94520-4857
Mailing Address50 Douglas Dr Ste 310Martinez, CA 94553-4003 · (925) 957-5400
Phone(925) 655-4961
Organization SubpartYes
Authorized OfficialDavid D. LeeDeputy Cfo · (925) 957-5445
Enumeration DateNovember 6, 2018
Last NPPES UpdateJune 26, 20263 updates tracked since enumeration
NPPES CertifiedJune 26, 2026
✔ NPI 1124596333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
Definition
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.
2600 STANWELL DR STE 104, Concord, CA 94520
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Other Names 1

Doing Business AsA3 Crisis Services

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMANDINE BIAGINI
Physical Therapist
2600 STANWELL DR STE 104
CONCORD, CA 94520
Contra Costa County (925) 686-5400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Contra Costa County's NPI number?

The NPI number for Contra Costa County is 1124596333. It was assigned to this organization in the NPPES registry on November 6, 2018. The provider is doing business as A3 Crisis Services.

Where is Contra Costa County located?

Contra Costa County is located at 2600 Stanwell Dr Ste 104, Concord, CA 94520. The listed phone number is (925) 655-4961.

What is Contra Costa County's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

When was this NPI record last updated?

The NPPES record for Contra Costa County was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.