NPIMap

Organization Active NPI

Occupational Health Centers of California, a Medical Corporation

Doing business as Concentra Medical Center

  • Occupational Medicine Clinic/Center
  • Ontario, CA
National Provider Identifier
1639646805
Registry record updated Jun 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational Medicine Clinic/CenterTaxonomy code 261QX0100X
Legal business name
OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION
Doing business as
Concentra Medical Center
Practice address
3200 Inland Empire Blvd Ste 100
Ontario, CA 91764-5569
Phone
(909) 945-5011
Fax
(909) 989-6158
NPI assigned
Oct 25, 2018
Last updated
Jun 19, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 19, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
John Anderson, DO
Title
VP
Phone
(972) 364-8000

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Health Service Clinic/Center 261QH0100X NU
Physical Therapy Clinic/Center 261QP2000X NU
Occupational Medicine Clinic/Center 261QX0100X NU Primary

Addresses

Primary practice location

3200 Inland Empire Blvd Ste 100
Ontario, CA 91764-5569

Mailing address

5080 Spectrum Dr Ste 1200W
Addison, TX 75001-4624

Other names 1

  • Concentra Medical Center Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Concentra Medical Center158 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 24

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 24

Locations

3200 Inland Empire Blvd
Ste 100
Ontario, CA 91764
Phone (909) 945-3580

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1540425600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1750291200000",
    "number": "1639646805",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5080 SPECTRUM DR STE 1200W",
            "city": "ADDISON",
            "state": "TX",
            "postal_code": "750014624"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3200 INLAND EMPIRE BLVD STE 100",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917645569",
            "telephone_number": "909-945-5011",
            "fax_number": "909-989-6158"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2018-10-25",
        "last_updated": "2025-06-19",
        "certification_date": "2025-06-19",
        "status": "A",
        "authorized_official_last_name": "ANDERSON",
        "authorized_official_first_name": "JOHN",
        "authorized_official_title_or_position": "VP",
        "authorized_official_telephone_number": "972-364-8000",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "261QH0100X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Health Service",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "261QP2000X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Physical Therapy",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "261QX0100X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Occupational Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Concentra Medical Center",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Concentra Medical Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Ontario, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.