Quick answers
- Does Mikaela G. Vollmar accept Medicare assignment?
- Yes. Medicare's clinician data says Mikaela G. Vollmar 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 Mikaela G. Vollmar's NPI number?
- 1770231946. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mikaela G. Vollmar works
Medicare's Facility Affiliation Data lists Mikaela G. Vollmar 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.
- HSHS St Clare Memorial HospitalOconto Falls, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521310
- St Marys Hospital Medical CenterGreen Bay, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520097
Practice locations
Addresses where Mikaela G. Vollmar is enrolled with Medicare (CMS data updated October 2, 2026).
- 14353 State Hwy 32 64Mountain, WI 54149 (715) 276‑1600
- 200 S Rosera StLena, WI 54139 (920) 829‑6400
- 340 N Green Bay AveGillett, WI 54124 (920) 855‑2823
- 835 S Main StOconto Falls, WI 54154
- 913 Main StSuring, WI 54174 (920) 842‑1147
Group practices
Medicare enrollment lists Mikaela G. Vollmar as a member of this group (CMS data updated October 2, 2026).
- St Clare Memorial Hospital, Inc61 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in St Clare Memorial Hospital, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770231946 |
| 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