Harold Mermelstein, M.D.
NPI 1053308429ActiveIndividual· Dermatology· Scarsdale, NY
Dermatology (M.D.) in Scarsdale, New York, trained at New York Medical College (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $597,942 for 2,373 claims, against $302,015 paid for services in 2024. Genzyme Corporation was the largest of 16 companies reporting payments in 2025, $1,929 in all, mostly food and beverage.
Overview
| NPI | 1053308429 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 30, 2005 |
| Last updated in NPPES | May 21, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 136631 | 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 | 1,353 |
|---|---|
| Services billed | 6,769 across 39 procedure codes |
| Paid by Medicare | $302,015 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,373 · 2,659 30-day fills |
|---|---|
| Patients | 942 |
| Total drug cost | $597,942 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Dermatology |
Industry payments (Open Payments)
- 2025$1,929 · 124 payments from 16 companies
- 2024$1,602 · 100 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $275.32 | 10 |
| Abbvie Inc. | $264.83 | 22 |
| Pfizer Inc. | $212.42 | 17 |
| Sun Pharmaceutical Industries Inc. | $197.78 | 13 |
| Janssen Biotech, Inc. | $192.13 | 8 |
What the 2025 payments were for
- Food and Beverage$1,834 · 123 payments
- Education$94.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 dermatologists in Scarsdale · All dermatologists in New York