Mary Patricia Demers, DO
NPI 1649236084ActiveIndividual· Internal Medicine· Anchorage, AK
Internal Medicine (DO) in Anchorage, Alaska, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $587,683 for 3,863 claims, against $127,212 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $156.99 in all, mostly food and beverage.
Overview
| NPI | 1649236084 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | Jul 20, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | AA3359 | AK |
| Preventive Medicine, Occupational Medicine | 2083X0100X | AA3359 | AK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (AK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 178 |
|---|---|
| Services billed | 1,987 across 39 procedure codes |
| Paid by Medicare | $127,212 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,863 · 8,326 30-day fills |
|---|---|
| Patients | 163 |
| Total drug cost | $587,683 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Osteopathic Manipulative Medicine |
| Telehealth | Offers telehealth |
Medical group
- Select Physical Therapy Holdings IncClarksville, TN · 2,024 clinicians
Hospital affiliations
- Alaska Regional HospitalAnchorage, AK
- Providence Alaska Medical CenterAnchorage, AK
Other facilities
- Ancora Home Health & HospiceHome health agency · Wasilla, AK
- Providence at Home With Compassus Hh AnchorageHome health agency · Anchorage, AK
Industry payments (Open Payments)
- 2025$156.99 · 8 payments from 4 companies
- 2024$272.50 · 13 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $72.14 | 4 |
| Pfizer Inc. | $42.07 | 2 |
| Glaxosmithkline, LLC. | $28.38 | 1 |
| Abbvie Inc. | $14.40 | 1 |
What the 2025 payments were for
- Food and Beverage$156.99 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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