OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION
NPI 1518747641
Clinic/Center - Occupational Medicine in Walnut Creek, CA

Q: What is Occupational Health Centers Of California, A Medical Corporation's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Occupational Medicine, with taxonomy code 261QX0100X.

Active since October 05, 2023

2033 N MAIN ST STE A, WALNUT CREEK, CA 94596(925) 932-7715(888) 448-8916 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jun 20, 2025, Oct 5, 2023 (2 updates tracked since 2023).

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About Occupational Health Centers Of California, A Medical Corporation NPPES

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

OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION (NPI 1518747641), doing business as Concentra Medical Center, is a healthcare organization registered as an occupational medicine in Walnut Creek, California and active in the NPI registry since October 2023. The organization lists John Anderson, Vp, as its authorized official.

NPPES Registry Identity

NPI1518747641

Entity TypeOrganization

Primary Taxonomy261QX0100X

Legal Business NameOCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION

Location Address2033 N MAIN ST STE AWalnut Creek, CA 94596-3722

Mailing Address5080 Spectrum Dr Ste 1200wAddison, TX 75001-4624

Phone(925) 932-7715

Fax(888) 448-8916

Organization SubpartNo

Authorized OfficialJohn AndersonVp · (972) 364-8000

Enumeration DateOctober 5, 2023

Last NPPES UpdateJune 20, 20252 updates tracked since enumeration

NPPES CertifiedJune 20, 2025

✔ NPI 1518747641 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyClinic/Center · Occupational MedicineAmbulatory Health Care Facilities

Taxonomy Code261QX0100X

Also ListedClinic/Center · Health ServiceTaxonomy 261QH0100X

Also ListedClinic/Center · Physical TherapyTaxonomy 261QP2000X

2033 N MAIN ST STE A, Walnut Creek, CA 94596

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Other Names 1

Doing Business AsConcentra Medical Center

Other Providers at the Same Location NPPES

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

AMERICAN CURRENT CARE OF CALIFORNIA, A MEDICAL CORPORATION

Clinic/Center (Urgent Care)

2033 N MAIN ST STE A
WALNUT CREEK, CA 94596

Contra Costa County (925) 932-7715

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 Occupational Health Centers Of California, A Medical Corporation's NPI number?

The NPI number for Occupational Health Centers Of California, A Medical Corporation is 1518747641. It was assigned to this organization in the NPPES registry on October 5, 2023. The provider is doing business as Concentra Medical Center.

Where is Occupational Health Centers Of California, A Medical Corporation located?

Occupational Health Centers Of California, A Medical Corporation is located at 2033 N Main St Ste A, Walnut Creek, CA 94596. The listed phone number is (925) 932-7715.

What is Occupational Health Centers Of California, A Medical Corporation's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Occupational Medicine, with taxonomy code 261QX0100X.

When was this NPI record last updated?

The NPPES record for Occupational Health Centers Of California, A Medical Corporation was last updated on June 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.