James M. Heun, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

49672-20 Issued in WI

Practice address

1400 Eastside Rd
Platteville, WI 53818-9800

Phone

(608) 348-2331

NPI assigned

May 4, 2006

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 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

Hematology/Oncology

Education

University of Iowa, RJ & L Carver College of Medicine, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southwest Health Center IncGroup PAC ID 3072427772, 110 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Southwest Health Center Hospital, Platteville, WI, CCN 521354
• SSM Health St Mary'S Hospital - Madison Hospital, Madison, WI, CCN 520083
• SSM Health St Clare Hospital - Baraboo Hospital, Baraboo, WI, CCN 520057
• Sauk Prairie Hospital Hospital, Prairie Du Sac, WI, CCN 520095

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Southwest Health Center, Inc

  • Critical Access Hospital
  • Platteville, WI
  • NPI 1831279793
  Medicare reassignment Care Compare group NPD
• Dean Health Systems, Inc

  • Allergy & Immunology Physician
  • Madison, WI
  • NPI 1053358846

  Hematology & Oncology

  Medicare reassignment NPD
• Dean Health Systems, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Portage, WI
  • NPI 1427085679
  NPD
• Southwest Health Center, Inc.

  • Rural Health Clinic/Center
  • Cuba City, WI
  • NPI 1316324429
  NPD
• Southwest Health Center, Inc.

  • Optometrist
  • Platteville, WI
  • NPI 1750963773
  NPD

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

• Sauk Prairie Healthcare Inc

  • General Acute Care Hospital
  • Prairie Du Sac, WI
  • NPI 1861466153
  Care Compare affiliation
• Southwest Health Center, Inc

  • Critical Access Hospital
  • Platteville, WI
  • NPI 1831279793
  Care Compare affiliation
• SSM Health Care of Wisconsin Inc

  • General Acute Care Hospital
  • Baraboo, WI
  • NPI 1386641207
  Care Compare affiliation
• SSM Health Care of Wisconsin, Inc.

  • General Acute Care Hospital
  • Madison, WI
  • NPI 1184621211
  Care Compare affiliation

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

{
    "created_epoch": "1146700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761004800000",
    "number": "1497713697",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1400 EASTSIDE RD",
            "city": "PLATTEVILLE",
            "state": "WI",
            "postal_code": "538189800",
            "telephone_number": "608-348-2331"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 EASTSIDE RD",
            "city": "PLATTEVILLE",
            "state": "WI",
            "postal_code": "538189800",
            "telephone_number": "608-348-2331"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEUN",
        "first_name": "JAMES",
        "middle_name": "M.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-04",
        "last_updated": "2025-10-21",
        "certification_date": "2025-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "WI",
            "license": "49672-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jheun263739@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "jheun263739@direct-ehr-ssmhc.com",
            "address_1": "1211 Fish Hatchery Rd.",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151909",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR-API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "1211 Fish Hatchery Rd.",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151909",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jason L Hendrickson, RPH
• William Joseph Hengtgen, M.S.ED.
• Paige Hentrich, PT, DPT, ATC
• Susan Hepler
• Valerie Herber, PMHNP
• Jacob Hiatt, D.O.
• Laurie G Hiatt, PT
• Brittany Sarah Hirsch, PTA
• Kevin Hirschey
• Richard Hodges, PSYD

• Hematology & Oncology Physician in Platteville, WI
• Providers in Platteville, WI by specialty
• Hematology & Oncology Physician in Wisconsin

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