Quick answers
- Which hospitals does Michael A. Witcik work at?
- Medicare's official clinician data lists Michael A. Witcik at 5 hospitals: Gundersen Boscobel Area Hospital and Clinics, Gundersen Lutheran Medical Center, Gundersen Palmer Lutheran Hospital and Clinics, Gundersen St Josephs Hospital and Clinics and St Elizabeth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael A. Witcik see patients?
- Medicare's clinician data lists 25 practice locations, including Sparta, WI, Winona, MN and Wabasha, MN. Call before your visit to confirm the address.
- What is Michael A. Witcik's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Michael A. Witcik accept Medicare assignment?
- Yes. Medicare's clinician data says Michael A. Witcik 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 Michael A. Witcik?
- (608) 269-6731, as listed in official Medicare / NPI Registry data.
- What is Michael A. Witcik's NPI number?
- 1568625713. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael A. Witcik works
Medicare's Facility Affiliation Data lists Michael A. Witcik 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 St Josephs Hospital and ClinicsHillsboro, WI · Critical Access Hospital · CCN 521304
- St Elizabeth Medical CenterWabasha, MN · Critical Access Hospital · CCN 241335
Practice locations
Addresses where Michael A. Witcik is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 25; the Medicare profile lists all.
- 1111 W Wisconsin StSparta, WI 54656 (608) 269‑6731
- 1122 W Hwy 61Winona, MN 55987 (507) 615‑0600
- 1200 Grant Blvd WWabasha, MN 55981 (651) 565‑4531
- 1600 Main StOnalaska, WI 54650 (608) 783‑4681
- 16812 S Main StGalesville, WI 54630 (608) 582‑2025
Group practices
Medicare enrollment lists Michael A. Witcik as a member of these groups (CMS data updated 2026-10-02).
- Gundersen Lutheran Medical Center Inc895 clinicians in the group
- Gundersen Clinic Ltd418 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
Specialties
Other internal medicine doctors in Sparta
Clinicians with the same Medicare primary specialty in Sparta, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568625713 |
| 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