Tierney Fritz, APNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

15399-33 Issued in WI

Practice address

W6981 Parkview Dr
Greenville, WI 54942-8034

Phone

(920) 882-2400

NPI assigned

Sep 6, 2024

Last updated

May 7, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ascension Medical Group-Fox Valley Wisconsin, IncGroup PAC ID 0244142420, 260 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension NE Wisconsin - St Elizabeth Campus Hospital, Appleton, WI, CCN 520009

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Ascension Medical Group-Fox Valley Wisconsin, Inc

  dba Ascension Medical Group

  • Multi-Specialty Clinic/Center
  • Neenah, WI
  • NPI 1730126392
  Medicare reassignment Care Compare group NPD
• Ascension Medical Group-Southeast Wisconsin Inc

  dba Ascension Medical Group

  • Internal Medicine Physician
  • Glendale, WI
  • NPI 1609881077

  Nurse Practitioner

  Medicare reassignment NPD
• Ascension Medical Group-Fox Valley Wisconsin, Inc

  • Cardiovascular Disease Physician
  • Appleton, WI
  • NPI 1831890177
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Ascension NE Wisconsin, Inc

  • Ambulatory Surgical Clinic/Center
  • Menasha, WI
  • NPI 1124075536

  Hospital

  Care Compare affiliation
• Ascension NE Wisconsin, Inc

  dba Ascension NE Wisconsin-St Elizabeth Campus

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1407803638
  Care Compare affiliation

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

{
    "created_epoch": "1725580800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1881429942",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "W6981 PARKVIEW DR",
            "city": "GREENVILLE",
            "state": "WI",
            "postal_code": "549428034",
            "telephone_number": "920-882-2400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "W6981 PARKVIEW DR",
            "city": "GREENVILLE",
            "state": "WI",
            "postal_code": "549428034",
            "telephone_number": "920-882-2400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRITZ",
        "first_name": "TIERNEY",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-09-06",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "15399-33",
            "primary": true
        },
        {
            "code": "2083X0100X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Occupational Medicine",
            "state": "WI",
            "license": "15399-33",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100293055",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julia Dudenas
• Julie Ann Duffy, LPC
• Harmony Ebbesen, MS, CCC-SLP
• Marina Eggen, DC
• Eternal Focus Christian Counseling LLC
• Greenville Chiropractic Inc.
• Greenville Eyecare LLC
• Greenville Foot & Ankle Center, LLC
• John Guttman, M.S., ATC, PES, CES
• Ashley Hansen

• Nurse Practitioner in Greenville, WI
• Providers in Greenville, WI by specialty
• Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.