NPIMap

Individual provider Active NPI

Andrew Gerald Geislinger, DDS

  • Dentist
  • Winona, MN
National Provider Identifier
1124644646
Registry record updated Oct 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
D14379 Issued in MN
Practice address
120 Walnut St
Winona, MN 55987-3429
Phone
(507) 454-5854
NPI assigned
Jun 20, 2020
Last updated
Oct 6, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 6, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X D14379 MN Primary

Addresses

Primary practice location

120 Walnut St
Winona, MN 55987-3429

Mailing address

120 Walnut St
Winona, MN 55987-3429
Phone (507) 452-9453

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
D14379MNMDDentist

Practice roles

OrganizationSpecialtyStatusNew patients
Walnut Street Dental Associates PLC Current Accepting new patients
Lewiston Dental Care Current Accepting new patients
River Hills Dental PastSince Jun 28, 2020 Accepting new patients

Locations

120 Walnut St
Winona, MN 55987
Phone (507) 454-5854

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1592611200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791244800000",
    "number": "1124644646",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 WALNUT ST",
            "city": "WINONA",
            "state": "MN",
            "postal_code": "559873429",
            "telephone_number": "507-452-9453"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 WALNUT ST",
            "city": "WINONA",
            "state": "MN",
            "postal_code": "559873429",
            "telephone_number": "507-454-5854"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEISLINGER",
        "first_name": "ANDREW",
        "middle_name": "GERALD",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-06-20",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "MN",
            "license": "D14379",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Winona, MN

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 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.