Mark Silverman, M.D.
NPI 1780674184ActiveIndividual· Specialist· Oceanside, NY
Specialist (M.D.) in Oceanside, New York, trained at Tufts University School of Medicine (class of 1986). In 2024 Medicare paid $362,748 for 1,201 patients, and Part D covered 1,257 of their prescriptions, 89% of them generic. Novartis Pharmaceuticals Corporation was the largest of 5 companies reporting payments in 2025, $484.07 in all, mostly food and beverage.
Overview
| NPI | 1780674184 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 26, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 174124-1 | NY |
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 - Dermatology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,201 |
|---|---|
| Services billed | 7,340 across 39 procedure codes |
| Paid by Medicare | $362,748 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,257 · 1,483 30-day fills |
|---|---|
| Patients | 520 |
| Total drug cost | $408,794 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Dermatology |
Medical group
- South Nassau Dermatology PCOceanside, NY · 11 clinicians
Industry payments (Open Payments)
- 2025$484.07 · 25 payments from 5 companies
- 2024$280.38 · 15 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $345.92 | 20 |
| Leo Pharma Inc. | $52.45 | 1 |
| Abbvie Inc. | $45.17 | 2 |
| Galderma Laboratories, L.P. | $24.55 | 1 |
| Amgen Inc. | $15.98 | 1 |
What the 2025 payments were for
- Food and Beverage$484.07 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 82 Specialist providers in Oceanside · All Specialist providers in New York