Margaret Walsh, PA-C
NPI 1205424439ActiveIndividual· Physician Assistant· Tewksbury, MA
Physician Assistant (PA-C) with Brigham and Womens Physicians Organization Inc, practicing in Tewksbury, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $703,382 for 1,280 claims, against $21,107 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $1,400 in all, mostly food and beverage. Lists Brigham and Women Faulkner Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1205424439 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Jan 4, 2021 |
| Last updated in NPPES | Apr 5, 2022 |
| Certified by provider | Apr 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA8580 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 330 across 8 procedure codes |
| Paid by Medicare | $21,107 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,280 · 1,727 30-day fills |
|---|---|
| Patients | 282 |
| Total drug cost | $703,382 |
| Generic share | 26% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Brigham and Womens Physicians Organization IncBoston, MA · 2,994 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
Industry payments (Open Payments)
- 2025$1,400 · 32 payments from 5 companies
- 2024$35.62 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $760.42 | 15 |
| Genzyme Corporation | $258.62 | 6 |
| Amgen Inc. | $187.33 | 9 |
| Verona Pharma, Inc. | $137.02 | 1 |
| Sanofi-Aventis U.S. LLC | $56.99 | 1 |
What the 2025 payments were for
- Food and Beverage$1,343 · 31 payments
- Education$56.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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