Seyfettin Onder Alpdogan, MD
NPI 1558538991ActiveIndividual· Internal Medicine, Medical Oncology· Philadelphia, PA
Internal Medicine, Medical Oncology (MD) with Jefferson University Physicians, practicing in Philadelphia, Pennsylvania. 117 Medicare patients in 2024, $34,632 paid; nearly all of their 104 Part D prescriptions were generic (97%). Lists Thomas Jefferson University Hospital as a hospital affiliation.
Overview
| NPI | 1558538991 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 14, 2008 |
| Last updated in NPPES | Mar 6, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | MD437524 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 434 across 18 procedure codes |
| Paid by Medicare | $34,632 |
Part D prescriptions in 2024
| Prescriptions (claims) | 104 · 143 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $33,848 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Jefferson University PhysiciansPhiladelphia, PA · 1,531 clinicians
Hospital affiliation
- Thomas Jefferson University HospitalPhiladelphia, PA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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