Margaret Schwarz, MD
NPI 1669822219ActiveIndividual· Dermatology· Watertown, MA
Dermatology (MD) in Watertown, Massachusetts, trained at Pennsylvania State University College of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $347,711 for 464 claims, against $86,915 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $59.94 in all, mostly food and beverage.
Overview
| NPI | 1669822219 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 14, 2016 |
| Last updated in NPPES | Sep 30, 2026 |
| Certified by provider | Sep 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 271343 | 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 - Dermatology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 415 |
|---|---|
| Services billed | 1,816 across 24 procedure codes |
| Paid by Medicare | $86,915 |
Part D prescriptions in 2024
| Prescriptions (claims) | 464 · 542 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $347,711 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Dermatology |
Medical group
- Associates in Dermatology LLCWatertown, MA · 3 clinicians
Industry payments (Open Payments)
- 2025$59.94 · 3 payments from 3 companies
- 2024$25.69 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $28.41 | 1 |
| Verrica Pharmaceuticals Inc. | $16.89 | 1 |
| Amgen Inc. | $14.64 | 1 |
What the 2025 payments were for
- Food and Beverage$59.94 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Watertown
- 1790449940
- 1144387390
- 1609397371
- 1780212795
- 1134623549