Michael Y Hsie, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

52572-20 Issued in WI

Practice address

855 N Westhaven Dr
Department of Radiation Oncology
Oshkosh, WI 54904-7668

Phone

(920) 456-7900

Fax

(920) 456-7900

NPI assigned

Jul 4, 2008

Last updated

Oct 30, 2025By the provider in NPPES

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

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Radiation Oncology

Education

Northwestern University Feinberg Medical School, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Radiation Oncology Associates LTDGroup PAC ID 7618924622, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora Medical Ctr Oshkosh Hospital, Oshkosh, WI, CCN 520198
• Ascension NE Wisconsin - St Elizabeth Campus Hospital, Appleton, WI, CCN 520009
• Aurora Baycare Medical Ctr Hospital, Green Bay, WI, CCN 520193
• Aurora Medical Center Bay Area Hospital, Marinette, WI, CCN 520113

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mhsie68152@direct.myadvocateaurora.org

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.

• Radiation Oncology Associates, LTD

  • Radiation Oncology Physician
  • Milwaukee, WI
  • NPI 1932154754
  Medicare reassignment Care Compare group 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
• Aurora Medical Center Bay Area, Inc

  • General Acute Care Hospital
  • Marinette, WI
  • NPI 1043397177
  Care Compare affiliation
• Aurora Medical Center Bay Area, Inc

  dba Aurora Medical Center Bay Area Clinical Medical Laboratory

  • Clinical Medical Laboratory
  • Marinette, WI
  • NPI 1083791115

  Hospital

  Care Compare affiliation
• Aurora Medical Center Bay Area, Inc

  dba Aurora Medical Center Bay Area

  • Land Ambulance
  • Marinette, WI
  • NPI 1427135557

  Hospital

  Care Compare affiliation
• Aurora Medical Center of Oshkosh, Inc

  • General Acute Care Hospital
  • Oshkosh, WI
  • NPI 1275578064
  Care Compare affiliation
• Baycare Aurora, LLC

  • General Acute Care Hospital
  • Green Bay, WI
  • NPI 1255387726
  Care Compare affiliation

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

{
    "created_epoch": "1215129600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761782400000",
    "number": "1265695704",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11516 N PORT WASHINGTON RD STE 107",
            "city": "MEQUON",
            "state": "WI",
            "postal_code": "530923478",
            "telephone_number": "262-241-5040",
            "fax_number": "262-241-5261"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "855 N WESTHAVEN DR",
            "address_2": "DEPARTMENT OF RADIATION ONCOLOGY",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549047668",
            "telephone_number": "920-456-7900",
            "fax_number": "920-456-7900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HSIE",
        "first_name": "MICHAEL",
        "middle_name": "Y",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-07-04",
        "last_updated": "2025-10-30",
        "certification_date": "2025-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "WI",
            "license": "52572-20",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100003522",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Houria Transportation LLC
• Pamela T House, MD
• Ramez Hoveydai, D.O.
• Jonathan Howard, MD
• Penny Howell, R.N.
• HSL 17, LLC (Heritage Oshkosh)
• John J Hubertus
• Amber V Huberty, NP
• Lindsey E Hudack, PT
• Luke Huebner, PHARMD

• Radiation Oncology Physician in Oshkosh, WI
• Providers in Oshkosh, WI by specialty
• Radiation Oncology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 30, 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.