Quick answers
- Does Mary R. Stoll accept Medicare assignment?
- Yes. Medicare's clinician data says Mary R. Stoll 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.
- How many Medicare patients does Mary R. Stoll see?
- In 2024, CMS data shows 1,002 Original Medicare patients and 3,867 services for Mary R. Stoll. This counts Original Medicare only and measures volume, not quality.
- What is Mary R. Stoll's NPI number?
- 1083862098. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mary R. Stoll, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,002 |
|---|---|
| Services billed to Medicare | 3,867 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)1,247 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,124 services
- Destruction of precancer skin growth, 1 growth (17000)450 services
- Biopsy of related skin growth, first growth (11102)367 services
- Destruction of skin growth, 1-14 growths (17110)227 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol74%
- High blood pressure67%
- Arthritis44%
- Diabetes20%
- Ischemic heart disease17%
- Anxiety15%
Hospitals where Mary R. Stoll works
Medicare's Facility Affiliation Data lists Mary R. Stoll 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.
- Munson Healthcare Otsego Memorial HospitalGaylord, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230133
Practice locations
Addresses where Mary R. Stoll is enrolled with Medicare (CMS data updated October 2, 2026).
- 13450 E 12 Mile RdWarren, MI 48088 (586) 759‑5525
- 4170 Cedar Bluff DrPetoskey, MI 49770 (231) 487‑2230
- 798 W Mile Rd NWKalkaska, MI 49646 (231) 487‑2230
Group practices
Medicare enrollment lists Mary R. Stoll as a member of this group (CMS data updated October 2, 2026).
- Advanced Dermatology of Michigan PC41 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Warren
Clinicians with the same Medicare primary specialty in Warren, MI — not a recommendation.
Other clinicians in Advanced Dermatology of Michigan PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083862098 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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