Mian Mohammad Hammas, MD
NPI 1003557281ActiveIndividual· Hospitalist· Buffalo, NY
Hospitalist (MD) with General Physician PC, practicing in Buffalo, New York. Part D covered 846 prescriptions written in 2024, 80% of them generic. Pfizer Inc. reported $24.68 in payments in 2024, mostly food and beverage. Lists Kaleida Health as a hospital affiliation.
Overview
| NPI | 1003557281 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 5, 2022 |
| Last updated in NPPES | Sep 8, 2025 |
| Certified by provider | Sep 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 338198 | NY |
| Internal Medicine | 207R00000X | 338198 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 846 · 1,275 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $89,662 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- General Physician PCAmherst, NY · 501 clinicians
Hospital affiliation
- Kaleida HealthBuffalo, NY
Industry payments (Open Payments)
- 2024$24.68 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $24.68 | 1 |
What the 2024 payments were for
- Food and Beverage$24.68 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 hospitalists in Buffalo · All hospitalists in New York