CONCENTRA MEDICAL CENTER
NPI 1710453238
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 23, 2018CLIA 05D2068064 · Waiver

1810 N BROADWAY, WALNUT CREEK, CA 94596(925) 932-7715(925) 932-0603 Get Directions Write a Review

NPPES record last updated: November 26, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 26, 2018, Oct 23, 2018 (2 updates tracked since 2018).

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About Concentra Medical Center NPPES

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

CONCENTRA MEDICAL CENTER (NPI 1710453238) is a healthcare organization registered as an occupational medicine in Walnut Creek, California and active in the NPI registry since October 2018. The organization holds a CLIA Waiver certificate valid through October 27, 2027 and lists John Anderson, Vp, as its authorized official.

NPPES Registry Identity

NPI1710453238

Entity TypeOrganization

Primary Taxonomy261QX0100X

Legal Business NameOCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION

Location Address1810 N BROADWAYWalnut Creek, CA 94596-3842

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

Phone(925) 932-7715

Fax(925) 932-0603

Organization SubpartNo

Authorized OfficialJohn AndersonVp · (972) 364-8000

Enumeration DateOctober 23, 2018

Last NPPES UpdateNovember 26, 20182 updates tracked since enumeration

✔ NPI 1710453238 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

1810 N BROADWAY, Walnut Creek, CA 94596

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Other Names 1

Doing Business AsConcentra Medical Center

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2068064

Concentra Medical Centers Walnut Creek · Walnut Creek, CA

Active · expires Oct 27, 2027

CLIA Number05D2068064

Laboratory TypePhysician Office

Certificate Effective DateOctober 28, 2025

Certificate Expiration DateOctober 27, 2027

Laboratory DirectorKanwal Kher

Laboratory Phone(925) 932-7715

Laboratory LocationConcentra Medical Centers Walnut Creek2033 N Main Street, Suite A, Walnut Creek, CA 94596

CLIA data matches this NPI record on: Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

HANMAN LAU

Physical Therapist

1810 N BROADWAY
WALNUT CREEK, CA 94596

Contra Costa County (510) 371-5000

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 1710453238. It was assigned to this organization in the NPPES registry on October 23, 2018. 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 1810 N Broadway, 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.

Does Occupational Health Centers Of California, A Medical Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2068064) is associated with this NPI, valid through October 27, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Occupational Health Centers Of California, A Medical Corporation was last updated on November 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.