Charles A. Gropper, M.D.
NPI 1659332864ActiveIndividual· Dermatology· Bronx, NY
Dermatology (M.D.) in Bronx, New York, trained at Perelman School of Med at the University of Pennsylvania (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $509,638 for 1,099 claims, against $11,511 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $1,853 in all, mostly food and beverage.
Overview
| NPI | 1659332864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 29, 2006 |
| Last updated in NPPES | Nov 12, 2024 |
| Certified by provider | Nov 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 175302 | 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 | 95 |
|---|---|
| Services billed | 239 across 14 procedure codes |
| Paid by Medicare | $11,511 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,099 · 1,146 30-day fills |
|---|---|
| Patients | 201 |
| Total drug cost | $509,638 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Dermatology |
Hospital affiliation
- St Barnabas HospitalBronx, NY
Industry payments (Open Payments)
- 2025$1,853 · 37 payments from 9 companies
- 2024$2,070 · 39 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $557.37 | 7 |
| Galderma Laboratories, L.P. | $425.91 | 6 |
| Blueprint Medicines Corporation | $182.70 | 2 |
| Janssen Biotech, Inc. | $168.09 | 9 |
| Regeneron Healthcare Solutions, Inc. | $149.22 | 6 |
What the 2025 payments were for
- Food and Beverage$1,853 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 dermatologists in Bronx · All dermatologists in New York