NPIMap

Organization Active NPI

Occupational Health Centers of Illinois PC

Doing business as Concentra Medical Center

  • Occupational Medicine Clinic/Center
  • Darien, IL
National Provider Identifier
1447592704
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 ILLINOIS PC
Doing business as
Concentra Medical Center
Practice address
7421 S Cass Ave
Darien, IL 60561-3607
Phone
(630) 286-5300
Fax
(630) 986-1096
NPI assigned
Mar 25, 2013
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
Raad A Yaldo, DO
Title
Vice President
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

7421 S Cass Ave
Darien, IL 60561-3607

Mailing address

5080 Spectrum Dr
Suite 1200 West
Addison, TX 75001-4648
Phone (972) 364-8000

Other names 1

  • Concentra Medical Center Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Occupational Health Centers of Illinois PC55 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

NPI Registry JSON

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

{
    "created_epoch": "1364169600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1750377600000",
    "number": "1447592704",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5080 SPECTRUM DR",
            "address_2": "SUITE 1200 WEST",
            "city": "ADDISON",
            "state": "TX",
            "postal_code": "750014648",
            "telephone_number": "972-364-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7421 S CASS AVE",
            "city": "DARIEN",
            "state": "IL",
            "postal_code": "605613607",
            "telephone_number": "630-286-5300",
            "fax_number": "630-986-1096"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OCCUPATIONAL HEALTH CENTERS OF ILLINOIS PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2013-03-25",
        "last_updated": "2025-06-20",
        "certification_date": "2025-06-20",
        "status": "A",
        "authorized_official_last_name": "YALDO",
        "authorized_official_first_name": "RAAD",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "VICE PRESIDENT",
        "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 Center",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Concentra Medical Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Darien, IL

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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.