Thomas J Saphner, M.D.

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

28471 Issued in WI

Practice address

5300 Memorial Dr
Two Rivers, WI 54241-3923

Phone

(920) 793-6100

NPI assigned

Oct 3, 2006

Sex

Male

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 3

Electronic endpoints 2

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

Medical Oncology

Education

University of Wisconsin School of Medicine, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Aurora Health Care Central, Inc.Group PAC ID 4688583677, 10 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora Medical Center Sheboygan County Hospital, Sheboygan, WI, CCN 520035
• Aurora Medical Ctr Manitowoc County Hospital, Two Rivers, WI, CCN 520034
• Aurora Medical Center Bay Area Hospital, Marinette, WI, CCN 520113
• Aurora Baycare Medical Ctr Hospital, Green Bay, WI, CCN 520193

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tsaphner81539@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 and National Provider Directory roles.

• Aurora Health Care Central, Inc.

  dba Aurora Medical Center Sheboygan County

  • General Acute Care Hospital
  • Sheboygan, WI
  • NPI 1922053107

  Medical Oncology

  Medicare reassignment Care Compare group NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378
  Medicare reassignment Care Compare group NPD
• Aurora Health Care North, Inc.

  • General Acute Care Hospital
  • Two Rivers, WI
  • NPI 1477508687
  Medicare reassignment NPD
• Baycare Aurora, LLC

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

  Medical Oncology

  Medicare reassignment NPD
• Aurora Health Care Central, Inc.

  dba Aurora Pharmacy #1224

  • Clinic Pharmacy
  • Sheboygan, WI
  • NPI 1982348124
  NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD
• Great Lakes Pathologists SC

  • Anatomic Pathology & Clinical Pathology Physician
  • West Allis, WI
  • NPI 1689695934
  NPD
• Green Bay Oncology, LTD

  • Hematology & Oncology Physician
  • Green Bay, WI
  • NPI 1649214941
  NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Manitowoc, WI
  • NPI 1801941075
  NPD (past)
• Holy Family Memorial Inc

  dba Froedtert Holy Family Memorial Hospital

  • General Acute Care Hospital
  • Manitowoc, WI
  • NPI 1700998697
  NPD (past)

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

• Aurora Health Care Central, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Sheboygan, WI
  • NPI 1902023955

  Hospital

  Care Compare affiliation
• Aurora Health Care Central, Inc.

  dba Aurora Medical Center Sheboygan County

  • General Acute Care Hospital
  • Sheboygan, WI
  • NPI 1922053107
  Care Compare affiliation
• Aurora Health Care North, Inc.

  • General Acute Care Hospital
  • Two Rivers, WI
  • NPI 1477508687
  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
• 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": "1159833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789948800000",
    "number": "1700970894",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5300 MEMORIAL DR",
            "city": "TWO RIVERS",
            "state": "WI",
            "postal_code": "542413923",
            "telephone_number": "920-793-6100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1726 Shawano Ave",
            "address_purpose": "LOCATION",
            "city": "Green Bay",
            "state": "WI",
            "postal_code": "543033216",
            "country_code": "US",
            "telephone_number": "920-884-3135",
            "fax_number": "920-884-3271",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SAPHNER",
        "first_name": "THOMAS",
        "middle_name": "J",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-03",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "WI",
            "license": "28471",
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MI",
            "license": "4301057902",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "102766162",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "31483800",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MI",
            "identifier": "TS057902",
            "state": "MI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tsaphner81539@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1726 Shawano Ave",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543033216",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1726 Shawano Ave",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543033216",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Rebecca Clare Rusch, DIABETIC EDUCATOR
• Susan E Sachse, MOT, OTR
• Safe Harbor Counseling and Wellness LLC
• Daniel Salinsky, M.D.
• Linda Sand
• Kathryn A Sarnoski, MD
• Amy J Schleunes, APNP
• Amber M Schmitz, FNP
• Bryant Schobert
• Jeffrey David Schroeder, DO

• Medical Oncology Physician in Two Rivers, WI
• Providers in Two Rivers, WI by specialty
• Medical Oncology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 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.