Amelia L Zellner, APNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

5381 Issued in WI

Practice address

1000 N Oak Ave
Marshfield, WI 54449-5703

Phone

(715) 387-5498

NPI assigned

Aug 16, 2013

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 2

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, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Oak Medical SCGroup PAC ID 0042595175, 118 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Marshfield Medical Center Hospital, Marshfield, WI, CCN 520037

Merit-based Incentive Payment System (MIPS)

Final score

83.6 of 100Reported as group

Quality

62.55

Promoting interoperability

100

Improvement activities

40

Cost

76.03

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: amelia.zellner@marshfieldclinichealthsystem.cernerdirect.com
• Direct secure messaging: him@marshfieldclinichealthsystem.cernerdirect.com

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.

• Oak Medical SC

  • Internal Medicine Physician
  • Waukesha, WI
  • NPI 1669910345
  Medicare reassignment Care Compare group NPD
• Marshfield Clinic Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1952347981
  Medicare reassignment NPD
• MCHS Hospitals Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434
  Medicare reassignment NPD
• MCHS Hospitals Inc

  • Durable Medical Equipment & Medical Supplies
  • Eau Claire, WI
  • NPI 1558230847
  NPD
• Maple Medical SC

  • Physical Medicine & Rehabilitation Physician
  • Waukesha, WI
  • NPI 1487152104
  NPD (past)

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

• MCHS Hospitals Inc

  • Rural Acute Care Hospital
  • Marshfield, WI
  • NPI 1942749387
  Care Compare affiliation

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

{
    "created_epoch": "1376611200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782259200000",
    "number": "1851724520",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "N20W22961 WATERTOWN RD",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531861308",
            "telephone_number": "262-875-5070",
            "fax_number": "866-384-9486"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 N OAK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495703",
            "telephone_number": "715-387-5498"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "N20W22961 Watertown Rd",
            "address_purpose": "LOCATION",
            "city": "Waukesha",
            "state": "WI",
            "postal_code": "531861308",
            "country_code": "US",
            "telephone_number": "262-875-5070",
            "fax_number": "866-384-9486",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZELLNER",
        "first_name": "AMELIA",
        "middle_name": "L",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-08-16",
        "last_updated": "2026-06-24",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "5381",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WI STATE LIC RN",
            "identifier": "157768-30",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WI STATE LIC",
            "identifier": "5381-33",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "1000 N Oak Ave",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544495703",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Thomas E. Zahasky, CRNA
• Ahmed Zahid
• Christina Ann Zaleski, M.S.
• Luis H Zamora-Siliezar, M.D.
• Nathan M. Zelinski, M.D.
• Eric D. Zellner, CRNA
• Paula Jo Zemaitis, OTRL
• Anne M. Zenner, NP
• Danial M Zepplin, DNP
• Norberose Tayson Zerrudo, R.N.

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 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.