Philip M Grosnick, D.D.S.

Primary specialty

DentistTaxonomy code 122300000X

License

2831-015 Issued in WI

Practice address

319 N 2ND St
Watertown, WI 53094-3713

Phone

(920) 261-2828

NPI assigned

May 4, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1146700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1538127758",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "319 N 2ND ST",
            "city": "WATERTOWN",
            "state": "WI",
            "postal_code": "530943713",
            "telephone_number": "920-261-2828"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "319 N 2ND ST",
            "city": "WATERTOWN",
            "state": "WI",
            "postal_code": "530943713",
            "telephone_number": "920-261-2828"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GROSNICK",
        "first_name": "PHILIP",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "D.D.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-04",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "WI",
            "license": "2831-015",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "33432700",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Frederick C Gremmels, D.O.
• Teresa G Grimes, PA-C
• Carmen Marie Groehler, REGISTERED NURSE
• David J Groh, DDS
• Amanda Grosnick, CD, RD
• Cynthia Sue Grudzinski, PT
• Connie Gudenkauf
• Joseph Nihal Gunasekera II, DDS
• Gymtastics, Inc
• Joanne Marie Haag, COTA

• Dentist in Watertown, WI
• Providers in Watertown, WI by specialty
• Dentist in Wisconsin

• 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.