John A. Youssef, MD
NPI 1851346472ActiveIndividual· Internal Medicine, Hematology & Oncology· Langhorne, PA
Internal Medicine, Hematology & Oncology (MD) in Langhorne, Pennsylvania, trained at Medical College of Ohio (class of 2000). In 2024 Medicare paid $1,879,108 for 836 patients, and Part D covered 332 of their prescriptions, 64% of them generic. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $165.33 in all, mostly food and beverage.
Overview
| NPI | 1851346472 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2006 |
| Last updated in NPPES | May 21, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD428432 | 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 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 - Hematology/Oncology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 836 |
|---|---|
| Services billed | 142,512 across 114 procedure codes |
| Paid by Medicare | $1,879,108 |
Part D prescriptions in 2024
| Prescriptions (claims) | 332 · 424 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $1,540,171 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University of Penn - Medical GroupPhiladelphia, PA · 3,505 clinicians
Hospital affiliations
- Capital Health Medical Center - HopewellPennington, NJ
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- St Mary Medical CenterLanghorne, PA
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ
Other facilities
- Mercy Home HealthHome health agency · Newtown, PA
- Penn Medicine Home HealthHome health agency · Bala Cynwyd, PA
Industry payments (Open Payments)
- 2025$165.33 · 2 payments from 2 companies
- 2024$17.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $130.00 | 1 |
| Caris Mpi, Inc. | $35.33 | 1 |
What the 2025 payments were for
- Food and Beverage$165.33 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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