Nilufer Demirkan, PA-S
NPI 1740876846ActiveIndividual· Student in an Organized Health Care Education/Training Program· Staten Island, NY
Student in an Organized Health Care Education/Training Program (PA-S) with Josiane Lederman, MD PC, practicing in Staten Island, New York. Their prescriptions cost Medicare Part D more than their services did: $79,674 for 239 claims, against $35,291 paid for services in 2024. Janssen Biotech, Inc. was the largest of 14 companies reporting payments in 2025, $1,570 in all, mostly food and beverage.
Overview
| NPI | 1740876846 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-S |
| Sole proprietor | Yes |
| NPI issued | Dec 14, 2020 |
| Last updated in NPPES | Dec 14, 2020 |
| Certified by provider | Dec 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Student in an Organized Health Care Education/Training Program Primary | 390200000X | — | — |
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 - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 168 |
|---|---|
| Services billed | 576 across 21 procedure codes |
| Paid by Medicare | $35,291 |
Part D prescriptions in 2024
| Prescriptions (claims) | 239 · 270 30-day fills |
|---|---|
| Patients | 122 |
| Total drug cost | $79,674 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Josiane Lederman, MD PCStaten Island, NY · 7 clinicians
Industry payments (Open Payments)
- 2025$1,570 · 79 payments from 14 companies
- 2024$816.80 · 40 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $358.75 | 14 |
| Galderma Laboratories, L.P. | $248.67 | 15 |
| Ucb, Inc. | $206.86 | 11 |
| Leo Pharma Inc. | $190.91 | 9 |
| Botanix Sb Inc | $138.58 | 8 |
What the 2025 payments were for
- Food and Beverage$1,505 · 78 payments
- Education$64.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 810 Student in an Organized Health Care Education/Training Program providers in Staten Island · All Student in an Organized Health Care Education/Training Program providers in New York