Quick answers
- Does Mary P. Demers accept Medicare assignment?
- Yes. Medicare's clinician data says Mary P. Demers 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 P. Demers see?
- In 2024, CMS data shows 178 Original Medicare patients and 1,987 services for Mary P. Demers. This counts Original Medicare only and measures volume, not quality.
- What is Mary P. Demers's NPI number?
- 1649236084. 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 P. Demers, 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 | 178 |
|---|---|
| Services billed to Medicare | 1,987 |
| Different services or procedures | 39 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)469 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)283 services
- Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)240 services
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)192 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)139 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 cholesterol75%
- High blood pressure71%
- Arthritis43%
- Diabetes27%
- Ischemic heart disease21%
- Anxiety19%
Hospitals where Mary P. Demers works
Medicare's Facility Affiliation Data lists Mary P. Demers 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.
- Alaska Regional HospitalAnchorage, AK · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 020017
- Providence Alaska Medical CenterAnchorage, AK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 020001
Practice locations
Addresses where Mary P. Demers is enrolled with Medicare (CMS data updated October 2, 2026).
- 10928 Eagle River Rd, Suite 150Eagle River, AK 99577 (907) 694‑8085
- 4001 Dale St, Suite 201Anchorage, AK 99508 (907) 263‑2200
Group practices
Medicare enrollment lists Mary P. Demers as a member of this group (CMS data updated October 2, 2026).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
Specialties
Other internal medicine doctors in Eagle River
Clinicians with the same Medicare primary specialty in Eagle River, AK — not a recommendation.
Other clinicians in Select Physical Therapy Holdings Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649236084 |
| 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