Gynecology Institute of Chicago LTD.

Primary specialty

Medical Specialty Clinic/CenterTaxonomy code 261QM2500X

License

036116334 Issued in IL

Legal business name

GYNECOLOGY INSTITUTE OF CHICAGO LTD.

Practice address

680 N Lake Shore Dr Ste 1424
Chicago, IL 60611-8700

Phone

(312) 929-9191

Fax

(312) 566-8986

NPI assigned

Apr 23, 2013

Organization subpart

No

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

Authorized official

Name

Dr. Nicole Williams, M.D.NPI 1164441051

Title

President

Phone

(312) 929-9191

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

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

CLIA laboratory certificates

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Nicole Williams, MD

  • Gynecology Physician
  • Chicago, IL
  • NPI 1164441051
  Medicare reassignment Authorized official
• Marc Stuart Feldstein, MD

  • Obstetrics & Gynecology Physician
  • Chicago, IL
  • NPI 1730145566
  NPD
• April Dewhite, M.D.

  • Obstetrics & Gynecology Physician
  • Chicago, IL
  • NPI 1265415848
  NPD (past)
• John Salvatore Lignore, PA-C

  • Surgical Physician Assistant
  • Bridgeport, CT
  • NPI 1851513253
  NPD (past)

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

{
    "created_epoch": "1366675200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1754438400000",
    "number": "1235573197",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "680 N LAKE SHORE DR STE 1424",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606118700",
            "telephone_number": "312-929-9191"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "680 N LAKE SHORE DR STE 1424",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606118700",
            "telephone_number": "312-929-9191",
            "fax_number": "312-566-8986"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1351 W Belmont Ave",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606577195",
            "country_code": "US",
            "telephone_number": "312-929-9191",
            "fax_number": "312-566-8986",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "GYNECOLOGY INSTITUTE OF CHICAGO LTD.",
        "organizational_subpart": "NO",
        "enumeration_date": "2013-04-23",
        "last_updated": "2025-08-06",
        "certification_date": "2025-08-06",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "NICOLE",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "312-929-9191",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "IL",
            "license": "036116334",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PERSONAL NPI",
            "identifier": "1164441051",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Gwinn, M.D.
• Klaudia Magdalena Gwozdz, ARPN
• Ian Gyamfi Sarpong, PHARMD
• Jane Elizabeth Gyarmaty, DPT
• Gynecologic Specialists of Northwestern, S.C.
• H & D Enterprises Inc
• H & H Diagnostics, Inc
• H & L Passenger Services, Inc.
• H & M Medical, S.C.
• H & M Medical, SC

• Medical Specialty Clinic/Center in Chicago, IL
• Providers in Chicago, IL by specialty
• Medical Specialty Clinic/Center in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.