Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Occupational Health Centers of California, a Medical Corporation

Organization Health Service Clinic/Center · NPI 1245374693

Occupational Health Centers of California, a Medical Corporation is a Health Service Clinic/Center in Ontario, California. Registered with an NPI since 2007.

In the registry since
2007
Specialties on file
3

Practice location Address checks out

1101 S Milliken Ave Ste C
Ontario, CA 91761
Phone: (909) 390-2799
Fax: (909) 390-0929
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Medicine Clinic/Center (primary) Taxonomy 261QX0100X
Health Service Clinic/Center Taxonomy 261QH0100X
Physical Therapy Clinic/Center Taxonomy 261QP2000X

Record details

NPI number1245374693
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Anderson — Vice President · (972) 364-8000
Other names Concentra Medical Center, A Medical Corporation
NPI enumeratedFebruary 19, 2007
Last updated in NPPESJune 19, 2025
Certification dateJune 19, 2025
Mailing address5080 Spectrum Drive, Suite 1200 West Tower, Addison, TX 75001

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