Nathan Leisenring, MD
NPI 1770110371ActiveIndividual· Dermatology· York, PA
Dermatology (MD) in York, Pennsylvania, trained at Duke University School of Medicine (class of 2024). Their prescriptions cost Medicare Part D more than their services did: $113,848 for 269 claims, against $30,517 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 8 companies reporting payments in 2025, $240.65 in all, mostly food and beverage.
Overview
| NPI | 1770110371 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 24, 2020 |
| Last updated in NPPES | Sep 30, 2024 |
| Certified by provider | Sep 30, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | MD484597 | PA |
| Dermatology | 207N00000X | RTL21-0327 | NC |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 557 across 34 procedure codes |
| Paid by Medicare | $30,517 |
Part D prescriptions in 2024
| Prescriptions (claims) | 269 · 309 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $113,848 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 2024 |
| Medicare specialty | Dermatology |
Medical group
- Dermatology Associates of York IncYork, PA · 18 clinicians
Hospital affiliations
- Upmc Pinnacle HospitalsHarrisburg, PA
- Wellspan York HospitalYork, PA
Industry payments (Open Payments)
- 2025$240.65 · 11 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $49.94 | 2 |
| Abbvie Inc. | $47.14 | 2 |
| E.R. Squibb & Sons, L.L.C. | $40.94 | 2 |
| Lilly USA, LLC | $27.31 | 1 |
| Leo Pharma Inc. | $26.17 | 1 |
What the 2025 payments were for
- Food and Beverage$240.65 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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