OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION - NPI 1639646805

Q: What is the provider's specialty?

The provider's specialty is Clinic/Center with taxonomy code 261QX0100X and a focus in Occupational Medicine.

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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 1639646805), doing business as Concentra Medical Center, is a healthcare organization registered as an occupational medicine in Ontario, California and active in the NPI registry since October 2018. The organization lists John Anderson, Vp, as its authorized official.

NPPES Registry Identity

NPI1639646805

Entity TypeOrganization

Primary Taxonomy261QX0100X

Legal Business NameOCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION

Location Address3200 INLAND EMPIRE BLVD STE 100Ontario, CA 91764-5569

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

Phone(909) 945-5011

Fax(909) 989-6158

Organization SubpartNo

Authorized OfficialJohn AndersonVp · (972) 364-8000

Enumeration DateOctober 25, 2018

Last NPPES UpdateJune 19, 20252 updates tracked since enumeration

NPPES CertifiedJune 19, 2025

✔ NPI 1639646805 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

3200 INLAND EMPIRE BLVD STE 100, Ontario, CA 91764

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Other Names 1

Doing Business AsConcentra Medical Center

Other Providers at the Same Location NPPES 5

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

NANCY MITCHELL

Physical Therapy Assistant