Quick answers
- Which hospitals does Gregory A. Rathmann work at?
- Medicare's official clinician data lists Gregory A. Rathmann at 5 hospitals: Amery Hospital & Clinic, Hudson Hospital, Lakeview Memorial Hospital, Regions Hospital and Westfields Hospital and Clinic. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory A. Rathmann see patients?
- Medicare's clinician data lists 21 practice locations, including Baldwin, WI, Maplewood, MN and Grand Rapids, MN. Call before your visit to confirm the address.
- What is Gregory A. Rathmann's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Gregory A. Rathmann accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory A. Rathmann 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 Gregory A. Rathmann?
- (715) 684-3311, as listed in official Medicare / NPI Registry data.
- What is Gregory A. Rathmann's NPI number?
- 1891990404. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory A. Rathmann works
Medicare's Facility Affiliation Data lists Gregory A. Rathmann at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Amery Hospital & ClinicAmery, WI · Critical Access Hospital · CCN 521308
- Hudson HospitalHudson, WI · Critical Access Hospital · CCN 521335
- Lakeview Memorial HospitalStillwater, MN · Acute Care Hospital · CCN 240066
- Regions HospitalSaint Paul, MN · Acute Care Hospital · CCN 240106
- Westfields Hospital and ClinicNew Richmond, WI · Critical Access Hospital · CCN 521345
Practice locations
Addresses where Gregory A. Rathmann is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 21; the Medicare profile lists all.
- 1100 Bergslien StBaldwin, WI 54002 · Midwest Radiology PA (715) 684‑3311
- 1575 Beam AveMaplewood, MN 55109 · Midwest Radiology PA (651) 292‑2000
- 1601 Golf Course RdGrand Rapids, MN 55744 · Grand Itasca Clinic and Hospital (218) 326‑3401
- 1617 E Division StRiver Falls, WI 54022 (715) 307‑6600
- 166 E 4th St, Suite 100St Paul, MN 55101 · Pembina County Memorial Hospital Association (651) 292‑2000
Group practices
Medicare enrollment lists Gregory A. Rathmann as a member of these groups (CMS data updated 2026-10-02).
- Allina Health System3,842 clinicians in the group
- Fairview Express Care1,911 clinicians in the group
- Altru Health System684 clinicians in the group
- University of Minnesota Health Clinics and Surgery Center Inc617 clinicians in the group
- Ridgeview Medical Center412 clinicians in the group
- Range Regional Health Services353 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891990404 |
| 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