Nancy McClellan, GNP

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

91660-030 Issued in WI

Practice address

5700 W Layton Ave
Greenfield, WI 53220-4016

Phone

(414) 531-9518

NPI assigned

Jun 26, 2005

Sex

Female

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)

Enrolled

Credentials

Nurse Practitioner

State licenses

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

{
    "created_epoch": "1119744000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1598761389",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4615 S OAKWOOD TER",
            "city": "NEW BERLIN",
            "state": "WI",
            "postal_code": "531516832",
            "telephone_number": "414-529-9518"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5700 W LAYTON AVE",
            "city": "GREENFIELD",
            "state": "WI",
            "postal_code": "532204016",
            "telephone_number": "414-531-9518"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCLELLAN",
        "first_name": "NANCY",
        "name_prefix": "Ms.",
        "credential": "GNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-06-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "WI",
            "license": "91660-030",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "43864200",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Amy Mayek
• James Francis Mayr, MD
• Rebecca Ann McAllister, DNP, RN, FNP-BC,APNP
• Michael J McCabe
• Kristin Mary Herro McCarty, L.P.C.
• Murphy E. McCoy
• Amanda Lee McGuire, LPC
• Jamie McGuire, COTA
• Melissa D McGuire, APNP
• Terrence Patrick McGuire, PSY.D.

• Gerontology Nurse Practitioner in Greenfield, WI
• Providers in Greenfield, WI by specialty
• Gerontology Nurse Practitioner 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.