John P. Leonard, MD
NPI 1992892079ActiveIndividual· Internal Medicine, Hematology & Oncology· New York, NY
Internal Medicine, Hematology & Oncology (MD) in New York, New York, trained at University of Virginia School of Medicine (class of 1990). Medicare paid $58,841 for services to 238 patients in 2024. Genentech, Inc. was the largest of 6 companies reporting payments in 2025, $35,418 in all, mostly consulting fees.
Overview
| NPI | 1992892079 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 9, 2006 |
| Last updated in NPPES | Sep 19, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 186477 | NY |
| Internal Medicine | 207R00000X | 186477 | NY |
| Internal Medicine, Medical Oncology | 207RX0202X | 186477 | NY |
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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 238 |
|---|---|
| Services billed | 621 across 7 procedure codes |
| Paid by Medicare | $58,841 |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
| Telehealth | Offers telehealth |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliations
- New York-Presbyterian HospitalNew York, NY
- NYU Langone HospitalsNew York, NY
Industry payments (Open Payments)
- 2025$35,418 · 13 payments from 6 companies
- 2024$24,974 · 13 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $18,265 | 7 |
| Astrazeneca Uk Limited | $7,876 | 2 |
| Genentech USA, Inc. | $3,485 | 1 |
| Beone Medicines USA, Inc. | $2,600 | 1 |
| Regeneron Pharmaceuticals, Inc. | $1,622 | 1 |
What the 2025 payments were for
- Consulting Fee$35,073 · 11 payments
- Travel and Lodging$329.14 · 1 payment
- Food and Beverage$15.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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