Quick answers
- Which hospitals does James M. Heun work at?
- Medicare's official clinician data lists James M. Heun at 4 hospitals: Sauk Prairie Hospital, Southwest Health Center, SSM Health St Clare Hospital - Baraboo and SSM Health St Mary's Hospital - Madison. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James M. Heun see patients?
- Medicare's clinician data lists 2 practice locations, including Platteville, WI. Call before your visit to confirm the address.
- What is James M. Heun's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Hematology and Internal Medicine.
- Does James M. Heun accept Medicare assignment?
- Yes. Medicare's clinician data says James M. Heun accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for James M. Heun?
- (608) 348-4330, as listed in official Medicare / NPI Registry data.
- What is James M. Heun's NPI number?
- 1497713697. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James M. Heun works
Medicare's Facility Affiliation Data lists James M. Heun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sauk Prairie HospitalPrairie Du Sac, WI · Acute Care Hospital · CCN 520095
- Southwest Health CenterPlatteville, WI · Critical Access Hospital · CCN 521354
- SSM Health St Clare Hospital - BarabooBaraboo, WI · Acute Care Hospital · CCN 520057
- SSM Health St Mary's Hospital - MadisonMadison, WI · Acute Care Hospital · CCN 520083
Practice locations
Addresses where James M. Heun is enrolled with Medicare (CMS data updated 2026-10-02).
- 1400 Eastside RdPlatteville, WI 53818
- 1450 Eastside RdPlatteville, WI 53818 (608) 348‑4330
Group practices
Medicare enrollment lists James M. Heun as a member of this group (CMS data updated 2026-10-02).
- Southwest Health Center Inc114 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Hematologyalso
- Internal Medicinealso
Other hematologist-oncologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497713697 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians