Mark E. Hamer, M.D.
NPI 1235107152ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Rochester, NY
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) in Rochester, New York, licensed in NY, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $458,067 for 1,381 claims, against $41,708 paid for services in 2024. Medtronic, Inc. reported $15.89 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235107152 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 8, 2006 |
| Last updated in NPPES | May 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 171572 | NY |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 171572 | 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 - Cardiac Electrophysiology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 408 |
|---|---|
| Services billed | 1,251 across 30 procedure codes |
| Paid by Medicare | $41,708 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,381 · 3,418 30-day fills |
|---|---|
| Patients | 312 |
| Total drug cost | $458,067 |
| Generic share | 79% of claims |
Industry payments (Open Payments)
- 2025$15.89 · 1 payment from 1 company
- 2024$111.24 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $15.89 | 1 |
What the 2025 payments were for
- Food and Beverage$15.89 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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