Quick answers
- Does Marilynn S. Dewald accept Medicare assignment?
- Yes. Medicare's clinician data says Marilynn S. Dewald 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 Marilynn S. Dewald's NPI number?
- 1548262702. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marilynn S. Dewald works
Medicare's Facility Affiliation Data lists Marilynn S. Dewald 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.
- Aspirus Keweenaw Hospital and ClinicsLaurium, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231319
- Up Health System PortageHancock, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230108
Practice locations
Addresses where Marilynn S. Dewald is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Cedar StHoughton, MI 49931 (906) 487‑1710
- 205 Osceola StLaurium, MI 49913 (906) 337‑3100
Group practices
Medicare enrollment lists Marilynn S. Dewald as a member of this group (CMS data updated October 2, 2026).
- Aspirus Keweenaw115 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Houghton
Clinicians with the same Medicare primary specialty in Houghton, MI — not a recommendation.
Other clinicians in Aspirus Keweenaw
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548262702 |
| 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