Organization Active NPI

Witold M. Zajewski, M.D.,P.C.

  • Primary Care Clinic/Center
  • Chicago, IL
National Provider Identifier
1497943229
Registry record updated Nov 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Primary Care Clinic/CenterTaxonomy code 261QP2300X
Legal business name
WITOLD M. ZAJEWSKI, M.D.,P.C.
Practice address
7046 W Higgins Ave
Chicago, IL 60656-1977
Phone
(847) 454-9181
Fax
(847) 454-9184
NPI assigned
Oct 5, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 24, 2025

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

Authorized official

Name
Witold M Zajewski
Title
President/Owner
Phone
(847) 454-9181

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Primary Care Clinic/Center 261QP2300X Primary

Addresses

Primary practice location

7046 W Higgins Ave
Chicago, IL 60656-1977

Mailing address

7046 W Higgins Ave
Chicago, IL 60656-1977
Phone (847) 454-9181

Other identifiers 1

IdentifierTypeStateIssuer
036096849MedicaidIL

National Provider Directory

National Provider Directory

Locations

7046 W Higgins Ave
Chicago, IL 60656
Phone (773) 763-0260

609 N Main St
Ste 102
Mt Prospect, IL 60056
Phone (847) 454-9181

NPI Registry JSON

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

{
    "created_epoch": "1191542400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1763942400000",
    "number": "1497943229",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7046 W HIGGINS AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606561977",
            "telephone_number": "847-454-9181",
            "fax_number": "847-454-9184"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7046 W HIGGINS AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606561977",
            "telephone_number": "847-454-9181",
            "fax_number": "847-454-9184"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WITOLD M. ZAJEWSKI, M.D.,P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-10-05",
        "last_updated": "2025-11-24",
        "certification_date": "2025-11-24",
        "status": "A",
        "authorized_official_last_name": "ZAJEWSKI",
        "authorized_official_first_name": "WITOLD",
        "authorized_official_middle_name": "M",
        "authorized_official_title_or_position": "PRESIDENT/OWNER",
        "authorized_official_telephone_number": "847-454-9181"
    },
    "taxonomies": [
        {
            "code": "261QP2300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Primary Care",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036096849",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 24, 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.