Mark Richard Zambron, MD
NPI 1669435103ActiveIndividual· Internal Medicine· Buffalo, NY
Internal Medicine (MD) in Buffalo, New York, trained at State University of New York at Buffalo School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $902,497 for 8,575 claims, against $4,799 paid for services in 2024. Biogen, Inc. reported $13.80 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1669435103 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 7, 2006 |
| Last updated in NPPES | Sep 19, 2025 |
| Certified by provider | Sep 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 209551 | NY |
| Pediatrics | 208000000X | 209551 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 79 across 11 procedure codes |
| Paid by Medicare | $4,799 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,575 · 11,429 30-day fills |
|---|---|
| Patients | 448 |
| Total drug cost | $902,497 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
Medical group
- Ehs, IncBuffalo, NY · 43 clinicians
Hospital affiliations
- Kaleida HealthBuffalo, NY
- Kenmore Mercy HospitalKenmore, NY
- Sisters of Charity HospitalBuffalo, NY
Industry payments (Open Payments)
- 2025$13.80 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $13.80 | 1 |
What the 2025 payments were for
- Food and Beverage$13.80 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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