Quick answers
- Which hospitals does Matthieu Mayer work at?
- Medicare's official clinician data lists Matthieu Mayer at 5 hospitals: Gundersen Boscobel Area Hospital and Clinics, Gundersen Lutheran Medical Center, Gundersen Palmer Lutheran Hospital and Clinics, Gundersen Tri-County Hospital & Clinics and St Elizabeth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthieu Mayer see patients?
- Medicare's clinician data lists 9 practice locations, including Winona, MN, La Crosse, WI and Whitehall, WI. Call before your visit to confirm the address.
- What is Matthieu Mayer's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Matthieu Mayer accept Medicare assignment?
- Yes. Medicare's clinician data says Matthieu Mayer 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 Matthieu Mayer?
- (507) 615-0600, as listed in official Medicare / NPI Registry data.
- What is Matthieu Mayer's NPI number?
- 1528564861. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthieu Mayer works
Medicare's Facility Affiliation Data lists Matthieu Mayer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Gundersen Boscobel Area Hospital and ClinicsBoscobel, WI · Critical Access Hospital · CCN 521344
- Gundersen Lutheran Medical CenterLa Crosse, WI · Acute Care Hospital · CCN 520087
- Gundersen Palmer Lutheran Hospital and ClinicsWest Union, IA · Critical Access Hospital · CCN 161316
- Gundersen Tri-County Hospital & ClinicsWhitehall, WI · Critical Access Hospital · CCN 521316
- St Elizabeth Medical CenterWabasha, MN · Critical Access Hospital · CCN 241335
Practice locations
Addresses where Matthieu Mayer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1122 W Hwy 61Winona, MN 55987 (507) 615‑0600
- 1836 S AveLa Crosse, WI 54601 (608) 783‑7300
- 18601 Lincoln StWhitehall, WI 54773 (715) 538‑4361
- 205 Parker StBoscobel, WI 53805 · Memorial Hospital of Boscobel (608) 375‑4112
- 40 1st St SEWaukon, IA 52172 · Veterans Memorial Hospital City of Waukon IA
Group practices
Medicare enrollment lists Matthieu Mayer as a member of these groups (CMS data updated 2026-10-02).
- Gundersen Lutheran Medical Center Inc895 clinicians in the group
- Saint Elizabeths Hospital of Wabasha Inc94 clinicians in the group
- St Josephs Health Services Inc81 clinicians in the group
- Vernon Memorial Healthcare Inc77 clinicians in the group
- Tri-County Memorial Hospital Inc74 clinicians in the group
- Black River Health Inc60 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Winona
Clinicians with the same Medicare primary specialty in Winona, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528564861 |
| 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