Gregory Marra, MD
NPI 1275997140ActiveIndividual· Family Medicine· Hamburg, NY
Family Medicine (MD) with Mercy Hospital of Buffalo and 1 other group, practicing in Hamburg, New York. Their prescriptions cost Medicare Part D more than their services did: $695,123 for 5,856 claims, against $20,975 paid for services in 2024. Pfizer Inc. was the largest of 28 companies reporting payments in 2025, $3,147 in all, mostly food and beverage. Lists Kaleida Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1275997140 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 7, 2016 |
| Last updated in NPPES | Sep 26, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 300973 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 112 |
|---|---|
| Services billed | 274 across 26 procedure codes |
| Paid by Medicare | $20,975 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,856 · 12,647 30-day fills |
|---|---|
| Patients | 647 |
| Total drug cost | $695,123 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Mercy Hospital of BuffaloOrchard Park, NY · 196 clinicians
- Preferred Physician Care PCWilliamsville, NY · 27 clinicians
Hospital affiliations
- Kaleida HealthBuffalo, NY
- Mercy Hospital of BuffaloBuffalo, NY
- Sisters of Charity HospitalBuffalo, NY
Industry payments (Open Payments)
- 2025$3,147 · 165 payments from 28 companies
- 2024$2,732 · 151 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $484.55 | 24 |
| Astrazeneca Pharmaceuticals LP | $360.29 | 23 |
| Novo Nordisk Inc | $309.53 | 19 |
| Lilly USA, LLC | $290.33 | 15 |
| Glaxosmithkline, LLC. | $210.18 | 11 |
What the 2025 payments were for
- Food and Beverage$3,147 · 165 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 family medicine physicians in Hamburg · All family medicine physicians in New York