Organization Active NPI

Geriatric Professional Services SC

  • Internal Medicine Physician
  • Naperville, IL
National Provider Identifier
1811266315
Registry record updated Jul 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
036102125 Issued in IL
Legal business name
GERIATRIC PROFESSIONAL SERVICES SC
Practice address
1755 Park St Ste 200
Naperville, IL 60563-8404
Phone
(800) 353-4980
Fax
(800) 356-2390
NPI assigned
Dec 29, 2011
Last updated
Jul 7, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 7, 2025

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

Authorized official

Name
Karim Tourk, MDNPI 1679569347
Title
President
Phone
(815) 671-2303

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036102125 IL Primary

Addresses

Primary practice location

1755 Park St Ste 200
Naperville, IL 60563-8404

Mailing address

1755 Park St Ste 200
Naperville, IL 60563-8404
Phone (800) 353-4980

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20120323000592 IL Part B Supplier - Clinic/Group Practice 6103086434 Receives reassigned benefits from 2 practitioners
Practice locations: Joliet, IL; Romeoville, IL; Plainfield, IL; Naperville, IL

National Provider Directory

National Provider Directory

Locations

109 N 129th Infantry Dr
Joliet, IL 60435

1619 N Mill St
Naperville, IL 60563
Phone (630) 701-6040

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1325116800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1751846400000",
    "number": "1811266315",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1755 PARK ST STE 200",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605638404",
            "telephone_number": "800-353-4980",
            "fax_number": "800-356-2390"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1755 PARK ST STE 200",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605638404",
            "telephone_number": "800-353-4980",
            "fax_number": "800-356-2390"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GERIATRIC PROFESSIONAL SERVICES SC",
        "organizational_subpart": "NO",
        "enumeration_date": "2011-12-29",
        "last_updated": "2025-07-07",
        "certification_date": "2025-07-07",
        "status": "A",
        "authorized_official_last_name": "TOURK",
        "authorized_official_first_name": "KARIM",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "815-671-2303",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036102125",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Naperville, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.