Holly Mason, M.D.,PH.D.
NPI 1497950182ActiveIndividual· Dermatology· Salem, MA
Dermatology (M.D.,PH.D.) in Salem, Massachusetts, trained at Tufts University School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $739,300 for 803 claims, against $408,018 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $2,384 in all, mostly food and beverage.
Overview
| NPI | 1497950182 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D.,PH.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2007 |
| Last updated in NPPES | Dec 6, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 238774 | MA |
| Student in an Organized Health Care Education/Training Program | 390200000X | MT189227 | PA |
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 | 882 |
|---|---|
| Services billed | 6,649 across 51 procedure codes |
| Paid by Medicare | $408,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 803 · 924 30-day fills |
|---|---|
| Patients | 335 |
| Total drug cost | $739,300 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Dermatology |
Medical group
- Northeast Dermatology Associates PCNorth Falmouth, MA · 85 clinicians
Hospital affiliation
- North Shore Medical Center -Salem, MA
Industry payments (Open Payments)
- 2025$2,384 · 117 payments from 17 companies
- 2024$1,829 · 100 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $358.70 | 19 |
| Janssen Biotech, Inc. | $343.43 | 15 |
| Sun Pharmaceutical Industries Inc. | $281.46 | 13 |
| Ucb, Inc. | $276.86 | 11 |
| Novartis Pharmaceuticals Corporation | $182.68 | 8 |
What the 2025 payments were for
- Food and Beverage$2,194 · 114 payments
- Education$189.63 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Salem
- 1598710725
- 1508276023