Quick answers
- Does Michael K. Donnelly accept Medicare assignment?
- Yes. Medicare's clinician data says Michael K. Donnelly accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Michael K. Donnelly's NPI number?
- 1477789105. 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 K. Donnelly works
Medicare's Facility Affiliation Data lists Michael K. Donnelly at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Marshfield Medical Center - NeillsvilleNeillsville, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521323
Practice locations
Addresses where Michael K. Donnelly is enrolled with Medicare (CMS data updated October 2, 2026).
- N3708 River AveNeillsville, WI 54456 (715) 743‑3101
Group practices
Medicare enrollment lists Michael K. Donnelly as a member of this group (CMS data updated October 2, 2026).
- Memorial Hospital Inc41 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Memorial Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477789105 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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