Hamza Hassan, MD
NPI 1700300837ActiveIndividual· Internal Medicine, Medical Oncology· Buffalo, NY
Internal Medicine, Medical Oncology (MD) with Roswell Park Cancer Institute, practicing in Buffalo, New York. 86 Medicare patients in 2024, $22,917 paid; nearly all of their 118 Part D prescriptions were generic (98%). E.R. Squibb & Sons, L.L.C. reported $47.84 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1700300837 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 31, 2017 |
| Last updated in NPPES | Apr 20, 2023 |
| Certified by provider | Feb 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 322605 | NY |
| 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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 86 |
|---|---|
| Services billed | 307 across 16 procedure codes |
| Paid by Medicare | $22,917 |
Part D prescriptions in 2024
| Prescriptions (claims) | 118 · 186 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $3,573 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Medical Oncology |
Medical group
- Roswell Park Cancer InstituteBuffalo, NY · 488 clinicians
Industry payments (Open Payments)
- 2025$47.84 · 2 payments from 1 company
- 2024$25.28 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $47.84 | 2 |
What the 2025 payments were for
- Food and Beverage$47.84 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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