Individual provider Active NPI

Steven Patrick Geiermann, D.D.S.

  • Public Health Dentistry
  • Chicago, IL
National Provider Identifier
1114920964
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Public Health DentistryTaxonomy code 1223D0001X
License
2901013456 Issued in MI
Practice address
5218 N Winthrop Ave
# 3N
Chicago, IL 60640-2306
Phone
(773) 271-5871
Fax
(312) 886-3770
NPI assigned
May 24, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Public Health Dentistry 1223D0001X 2901013456 MI Primary

Addresses

Primary practice location

5218 N Winthrop Ave
# 3N
Chicago, IL 60640-2306

Mailing address

5218 N Winthrop Ave
# 3N
Chicago, IL 60640-2306
Phone (773) 271-5871

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
2901013456MIMDPublic Health Dentist

NPI Registry JSON

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

{
    "created_epoch": "1116892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1114920964",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5218 N WINTHROP AVE",
            "address_2": "# 3N",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606402306",
            "telephone_number": "773-271-5871",
            "fax_number": "312-886-3770"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5218 N WINTHROP AVE",
            "address_2": "# 3N",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606402306",
            "telephone_number": "773-271-5871",
            "fax_number": "312-886-3770"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEIERMANN",
        "first_name": "STEVEN",
        "middle_name": "PATRICK",
        "name_prefix": "Dr.",
        "credential": "D.D.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-05-24",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223D0001X",
            "taxonomy_group": "",
            "desc": "Dentist, Dental Public Health",
            "state": "MI",
            "license": "2901013456",
            "primary": true
        }
    ],
    "identifiers": [],
    "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 Jul 13, 2026; 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.