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OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION
NPI 1811463201
Clinic/Center - Occupational Medicine in Union City, CA

Active since October 23, 2018
33560 ALVARADO NILES RD, UNION CITY, CA 94587(510) 489-8700(510) 489-2643 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 20, 2025, Oct 23, 2018 (2 updates tracked since 2018).

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 1811463201), doing business as Concentra Medical Center, is a healthcare organization registered as an occupational medicine in Union City, California and active in the NPI registry since October 2018. The organization lists John Anderson, Vp, as its authorized official.

NPPES Registry Identity

NPI1811463201
Entity TypeOrganization
Primary Taxonomy261QX0100X
Legal Business NameOCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION
Location Address33560 ALVARADO NILES RDUnion City, CA 94587-3111
Mailing Address5080 Spectrum Dr Ste 1200wAddison, TX 75001-4624
Phone(510) 489-8700
Fax(510) 489-2643
Organization SubpartNo
Authorized OfficialJohn AndersonVp · (972) 364-8000
Enumeration DateOctober 23, 2018
Last NPPES UpdateJune 20, 20252 updates tracked since enumeration
NPPES CertifiedJune 20, 2025
✔ NPI 1811463201 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
33560 ALVARADO NILES RD, Union City, CA 94587
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Other Names 1

Doing Business AsConcentra Medical Center

Other Providers at the Same Location NPPES 9

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

DR. VICKI SILVERMAN M.D.
General Practice
33560 ALVARADO NILES RD
UNION CITY, CA 94587
Alameda County (510) 489-8700
DR. LYNDA LEE KAY M.D.
Family Medicine
33560 ALVARADO NILES RD
UNION CITY, CA 94587
Alameda County (510) 489-8700
SCOTT DORRANCE
Physical Therapy Assistant
33560 ALVARADO NILES RD
UNION CITY, CA 94587
Alameda County (408) 245-8782
ADAM BUCK PTA
Physical Therapy Assistant
33560 ALVARADO NILES RD
UNION CITY, CA 94587
Alameda County (510) 489-8700
U.S. HEALTHWORKS MEDICAL GROUP, PC
Clinic/Center (Urgent Care)
33560 ALVARADO NILES RD
UNION CITY, CA 94587
Alameda County (510) 489-8700
AMERICAN CURRENT CARE OF CALIFORNIA, A MEDICAL CORPORATION
Clinic/Center (Urgent Care)
33560 ALVARADO NILES RD
UNION CITY, CA 94587
Alameda County (510) 489-8700
NEHA SANAS
Physical Therapist
33560 ALVARADO NILES RD
UNION CITY, CA 94587
Alameda County (415) 216-5464
CHUKWUDI YAGAZIE MBAGWU M.D.
Preventive Medicine (Public Health & General Preventive Medicine)
33560 ALVARADO NILES RD
UNION CITY, CA 94587
Alameda County (510) 489-8700

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 1811463201. 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 33560 Alvarado Niles Rd, Union City, CA 94587. The listed phone number is (510) 489-8700.

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 with the weekly NPPES data releases published by CMS.