Individual provider Active NPI

Joan Geiger, CST

  • Other Specialist/Technologist
  • Fond Du Lac, WI
National Provider Identifier
1912998303
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Other Specialist/TechnologistTaxonomy code 246Z00000X
Practice address
430 E Division St
Fond Du Lac, WI 54935-4560
Phone
(920) 929-2300
NPI assigned
Nov 3, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Female
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
Other Specialist/Technologist 246Z00000X NU Primary

Addresses

Primary practice location

430 E Division St
Fond Du Lac, WI 54935-4560

Mailing address

420 E Division St
Fond Du Lac, WI 54935-4560
Phone (920) 926-8340

Other identifiers 2

IdentifierTypeStateIssuer
WI0171OtherWIJOHN DEERE
1002769OtherWITOUCHPOINT

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

NPI Registry JSON

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

{
    "created_epoch": "1130976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1912998303",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "420 E DIVISION ST",
            "city": "FOND DU LAC",
            "state": "WI",
            "postal_code": "549354560",
            "telephone_number": "920-926-8340"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "430 E DIVISION ST",
            "city": "FOND DU LAC",
            "state": "WI",
            "postal_code": "549354560",
            "telephone_number": "920-929-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEIGER",
        "first_name": "JOAN",
        "credential": "CST",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "246Z00000X",
            "taxonomy_group": "",
            "desc": "Specialist/Technologist, Other",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "JOHN DEERE",
            "identifier": "WI0171",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TOUCHPOINT",
            "identifier": "1002769",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fond Du Lac, WI

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.