Nicholas Ethan Dull, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

14059 Issued in WI

Practice address

733 W Clairemont Ave
Eau Claire, WI 54701-6101

Phone

(715) 838-5222

NPI assigned

Mar 16, 2023

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

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

Nurse Practitioner

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mayo Clinic Health System-Northwest Wisconsin Region IncGroup PAC ID 4385553627, shared by 21 NPIs, 797 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mayo Clinic Health System Eau Claire Hospital Hospital, Eau Claire, WI, CCN 520070

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ndull24633@ehrdirect.mayoclinicmsg.org

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.

• Geiger Medical, LLC

  • Primary Care Clinic/Center
  • Brookfield, WI
  • NPI 1700234978
  Medicare reassignment NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Critical Access Hospital
  • Menomonie, WI
  • NPI 1154372944
  Medicare reassignment NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Multi-Specialty Clinic/Center
  • Eau Claire, WI
  • NPI 1235588831
  Medicare reassignment NPD
• Memorial Medical Center Inc

  • Critical Access Hospital
  • Ashland, WI
  • NPI 1437179231
  Medicare reassignment NPD
• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • Multi-Specialty Clinic/Center
  • Barron, WI
  • NPI 1518494244
  NPD
• Memorial Medical Center Inc

  • Rural Health Clinic/Center
  • Ashland, WI
  • NPI 1770255937
  NPD

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

• Mayo Clinic Health System-Northwest Wisconsin Region, Inc.

  • General Acute Care Hospital
  • Eau Claire, WI
  • NPI 1629027578
  Care Compare affiliation

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

{
    "created_epoch": "1678924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1235830100",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "715-838-5222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "733 W CLAIREMONT AVE",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547016101",
            "telephone_number": "715-838-5222"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DULL",
        "first_name": "NICHOLAS",
        "middle_name": "ETHAN",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-16",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "14059",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ndull24633@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "733 W Clairemont Ave",
            "city": "Eau Claire",
            "state": "WI",
            "country_code": "US",
            "postal_code": "547016101",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Eric N Dubois II, CRNA
• Tera Ducommun, PTA
• Susan Marie Dudra-Guenard, COTA
• Cori Jean Duellman Wallerich, APNP
• Jarred M Duellman, MSW
• Nicolette Dumas
• Sara Jo Dunlavy, BME
• Russell L Durkee, DO
• Nicole Durst
• Stephanie Ann Dusek

• Nurse Practitioner in Eau Claire, WI
• Providers in Eau Claire, WI by specialty
• Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 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.