Nicolai S Gerhartz, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

4605-23 Issued in WI

Practice address

W832 County Rd S
Kewaskum, WI 53040-1116

Phone

(262) 384-0772

NPI assigned

Oct 8, 2014

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 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

Physician Assistant

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Thedacare, IncorporatedGroup PAC ID 1759294887, 654 clinicians

Divine Savior Healthcare IncGroup PAC ID 5799684007, 135 clinicians

St. Nicholas Hospital-Sisters of the Third Order of St FrancisGroup PAC ID 8325931652, 178 clinicians

St Clare Memorial Hospital, IncGroup PAC ID 0446211395, 62 clinicians

Aspirus Stevens Point Hospital and Clinics, Inc.Group PAC ID 1850358938, 136 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aspirus Stevens Point Hospital & Clinics, Inc. Hospital, Stevens Point, WI, CCN 520002
• St Nicholas Hospital Hospital, Sheboygan, WI, CCN 520044
• Aspirus Divine Savior Hospital Hospital, Portage, WI, CCN 520041
• HSHS St Clare Memorial Hospital Hospital, Oconto Falls, WI, CCN 521310

Merit-based Incentive Payment System (MIPS)

Final score

91.7 of 100Reported as group

Quality

91.14

Promoting interoperability

100

Improvement activities

40

Cost

77.5

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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 and National Provider Directory roles.

• Aspirus Stevens Point Hospital & Clinics, Inc.

  • General Acute Care Hospital
  • Stevens Point, WI
  • NPI 1538112230
  Medicare reassignment Care Compare group NPD
• St Clare Memorial Hospital, Inc

  • Critical Access Hospital
  • Oconto Falls, WI
  • NPI 1851477913
  Medicare reassignment Care Compare group NPD
• St. Nicholas Hospital-Sisters of the Third Order of St Francis

  • Internal Medicine Physician
  • Sheboygan, WI
  • NPI 1275799413
  Medicare reassignment Care Compare group NPD
• Thedacare, Incorporated

  • Family Medicine Physician
  • New London, WI
  • NPI 1376656959
  Medicare reassignment Care Compare group NPD
• Divine Savior Healthcare, Inc.

  • General Acute Care Hospital
  • Portage, WI
  • NPI 1124083894
  Medicare reassignment Care Compare group
• Aspirus Wausau Hospital, Inc.

  • Clinic/Center
  • Wausau, WI
  • NPI 1922321140
  Medicare reassignment
• St Vincent Hospital-Hospital Sisters-Third Order of St Francis

  • General Practice Physician
  • Green Bay, WI
  • NPI 1285613638
  Medicare reassignment
• Aspirus Stevens Point Hospital & Clinics, Inc.

  • Clinic/Center
  • Stevens Point, WI
  • NPI 1679706022
  NPD
• Aspirus Wausau Hospital, Inc.

  • Hospice and Palliative Medicine (Internal Medicine) Physician
  • Wausau, WI
  • NPI 1225905102
  NPD
• Aspirus Wausau Hospital, Inc.

  • Clinic/Center
  • Wausau, WI
  • NPI 1275863557
  NPD
• Divine Savior Healthcare, Inc.

  • Rural Health Clinic/Center
  • Portage, WI
  • NPI 1386154417
  NPD
• St Nicholas Hospital-Sisters of the Third Order of St Francis

  • Internal Medicine Physician
  • Sheboygan, WI
  • NPI 1447737762
  NPD

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

• Aspirus Stevens Point Hospital & Clinics, Inc.

  • General Practice Physician
  • Stevens Point, WI
  • NPI 1184082745

  Hospital

  Care Compare affiliation
• Aspirus Stevens Point Hospital & Clinics, Inc.

  • General Acute Care Hospital
  • Stevens Point, WI
  • NPI 1538112230
  Care Compare affiliation
• Divine Savior Healthcare, Inc.

  • General Acute Care Hospital
  • Portage, WI
  • NPI 1124083894
  Care Compare affiliation
• St Clare Memorial Hospital, Inc

  • Medicare Defined Swing Bed Hospital Unit
  • Oconto Falls, WI
  • NPI 1326349135
  Care Compare affiliation
• St Clare Memorial Hospital, Inc

  • Rural Health Clinic/Center
  • Oconto Falls, WI
  • NPI 1467583096

  Hospital

  Care Compare affiliation
• St Clare Memorial Hospital, Inc

  • Family Medicine Physician
  • Oconto, WI
  • NPI 1467583278

  Hospital

  Care Compare affiliation
• St Clare Memorial Hospital, Inc

  • Critical Access Hospital
  • Oconto Falls, WI
  • NPI 1851477913
  Care Compare affiliation
• St Nicholas Hospital-Sisters of the Third Order of St. Francis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Sheboygan, WI
  • NPI 1427009992

  Hospital

  Care Compare affiliation
• St. Nicholas Hospital-Sisters of the Third Order of St Francis

  • General Acute Care Hospital
  • Sheboygan, WI
  • NPI 1730184342
  Care Compare affiliation

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

{
    "created_epoch": "1412726400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759795200000",
    "number": "1790188498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2300 UNIVERSITY AVE APT 96",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537263869"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "W832 COUNTY RD S",
            "city": "KEWASKUM",
            "state": "WI",
            "postal_code": "530401116",
            "telephone_number": "262-384-0772"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1818 N Meade St",
            "address_purpose": "LOCATION",
            "city": "Appleton",
            "state": "WI",
            "postal_code": "549113454",
            "country_code": "US",
            "telephone_number": "920-731-4101 x84988",
            "fax_number": "920-735-7618",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GERHARTZ",
        "first_name": "NICOLAI",
        "middle_name": "S",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-10-08",
        "last_updated": "2025-10-07",
        "certification_date": "2025-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "376K00000X",
            "taxonomy_group": "",
            "desc": "Nurse's Aide",
            "state": "WI",
            "license": "3633250",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "4605-23",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ngerhartz486169@ewd.direct.hshs.org",
            "affiliation": "Y",
            "affiliationName": "St. Nicholas Hospital-Sisters of the Third Order of St Francis",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "3100 Superior Ave",
            "city": "Sheboygan",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530811948",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Suzanne Marie Gessner, RN
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• Its a Passion Adult Family Home LLC
• J Dennis Connor DDS SC
• Garrett Richard Jones

• Physician Assistant in Kewaskum, WI
• Providers in Kewaskum, WI by specialty
• Physician Assistant in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 2025; 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.