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OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION
NPI 1427620996
Clinic/Center - Occupational Medicine in Irwindale, CA

Active since July 14, 2021
15768 ARROW HWY, IRWINDALE, CA 91706(626) 969-9800(626) 812-9091 Get Directions Write a Review

NPPES record last updated: June 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 19, 2025, Jul 14, 2021 (2 updates tracked since 2021).

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 1427620996), doing business as Concentra Medical Center, is a healthcare organization registered as an occupational medicine in Irwindale, California and active in the NPI registry since July 2021. The organization lists John Anderson, Vp, as its authorized official.

NPPES Registry Identity

NPI1427620996
Entity TypeOrganization
Primary Taxonomy261QX0100X
Legal Business NameOCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION
Location Address15768 ARROW HWYIrwindale, CA 91706-2005
Mailing Address5080 Spectrum Dr Ste 1200wAddison, TX 75001-4624
Phone(626) 969-9800
Fax(626) 812-9091
Organization SubpartNo
Authorized OfficialJohn AndersonVp · (972) 364-8000
Enumeration DateJuly 14, 2021
Last NPPES UpdateJune 19, 20252 updates tracked since enumeration
NPPES CertifiedJune 19, 2025
✔ NPI 1427620996 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
15768 ARROW HWY, Irwindale, CA 91706
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Other Names 1

Doing Business AsConcentra Medical Center

Other Providers at the Same Location NPPES 6

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

DR. SHANNON TANG LA PT, DPT
Physical Therapist
15768 ARROW HWY
IRWINDALE, CA 91706
Los Angeles County (626) 969-9800
JASON CHRISTOPHER DELA CRUZ
Physical Therapist
15768 ARROW HWY
IRWINDALE, CA 91706
Los Angeles County (626) 969-9800
YA YUEH LIAO
Physical Therapist
15768 ARROW HWY
IRWINDALE, CA 91706
Los Angeles County (626) 969-9800
MR. ROBERT ALMANZA PA
General Practice
15768 ARROW HWY
IRWINDALE, CA 91706
Los Angeles County (626) 969-9800
AMERICAN CURRENT CARE OF CALIFORNIA, A MEDICAL CORPORATION
Clinic/Center (Urgent Care)
15768 ARROW HWY
IRWINDALE, CA 91706
Los Angeles County (626) 969-9800
KATHERINE POLLACK
Physical Therapist
15768 ARROW HWY
IRWINDALE, CA 91706
Los Angeles County (626) 969-9800

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 1427620996. It was assigned to this organization in the NPPES registry on July 14, 2021. 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 15768 Arrow Hwy, Irwindale, CA 91706. The listed phone number is (626) 969-9800.

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 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.