NPIMap

Organization Active NPI

Occupational Health Centers of California, a Medical Corporation

Doing business as Concentra Medical Centers

  • Occupational Medicine Clinic/Center
  • Riverside, CA
National Provider Identifier
1417778184
Registry record updated Jun 20, 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 Centers
Practice address
1595 Spruce St Ste 150
Riverside, CA 92507-2421
Phone
(951) 781-2200
Fax
(951) 750-1300
NPI assigned
Oct 24, 2024
Last updated
Jun 20, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 20, 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
Physical Therapy Clinic/Center 261QP2000X
Occupational Medicine Clinic/Center 261QX0100X Primary

Addresses

Primary practice location

1595 Spruce St Ste 150
Riverside, CA 92507-2421

Mailing address

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

Other names 1

  • Concentra Medical Centers Doing business as

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D1028343Concentra Medical Centers - Riverside Spruce1595 Spruce St Ste 150, Riverside, CA 92507Certificate of waiverJul 21, 2028

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

1595 Spruce St
Ste 150
Riverside, CA 92507
Phone (951) 781-2200

NPI Registry JSON

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

{
    "created_epoch": "1729728000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1750377600000",
    "number": "1417778184",
    "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": "1595 SPRUCE ST STE 150",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925072421",
            "telephone_number": "951-781-2200",
            "fax_number": "951-750-1300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OCCUPATIONAL HEALTH CENTERS OF CALIFORNIA, A MEDICAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-10-24",
        "last_updated": "2025-06-20",
        "certification_date": "2025-06-20",
        "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": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QP2000X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Physical Therapy",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QX0100X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Occupational Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Concentra Medical Centers",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Concentra Medical Centers",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Riverside, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.