Sean Thomas Gunning, M.D.
NPI 1538220504ActiveIndividual· Dermatology· Pikesville, MD
Dermatology (M.D.) in Pikesville, Maryland, trained at New York University School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,087,396 for 2,317 claims, against $338,897 paid for services in 2024. Janssen Biotech, Inc. was the largest of 16 companies reporting payments in 2025, $1,161 in all, mostly food and beverage.
Overview
| NPI | 1538220504 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 13, 2006 |
| Last updated in NPPES | Nov 30, 2020 |
| Certified by provider | Nov 30, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | D0062385 | MD |
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 (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,430 |
|---|---|
| Services billed | 7,787 across 52 procedure codes |
| Paid by Medicare | $338,897 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,317 · 2,801 30-day fills |
|---|---|
| Patients | 781 |
| Total drug cost | $1,087,396 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Dermatology |
Medical group
- Clinical Associates P APikesville, MD · 37 clinicians
Industry payments (Open Payments)
- 2025$1,161 · 45 payments from 16 companies
- 2024$1,024 · 56 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $264.63 | 9 |
| Genzyme Corporation | $179.37 | 6 |
| Abbvie Inc. | $113.31 | 5 |
| Regeneron Healthcare Solutions, Inc. | $104.70 | 5 |
| Therakos LLC | $101.94 | 1 |
What the 2025 payments were for
- Food and Beverage$1,053 · 43 payments
- Education$108.24 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Pikesville
- 1568308435
- 1457317067
- 1629045166