Gregory Mark Singer, M.D.
NPI 1114010865ActiveIndividual· Internal Medicine, Cardiovascular Disease· Rochester, NY
Internal Medicine, Cardiovascular Disease (M.D.) in Rochester, New York, trained at Rush Medical College of Rush University (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $2,454,769 for 12,689 claims, against $141,051 paid for services in 2024. Medtronic, Inc. reported $254.58 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1114010865 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Feb 5, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 256430 | NY |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 256430 | 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 - Cardiovascular Disease (Cardiology) (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 303 |
|---|---|
| Services billed | 2,258 across 38 procedure codes |
| Paid by Medicare | $141,051 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,689 · 35,388 30-day fills |
|---|---|
| Patients | 1,542 |
| Total drug cost | $2,454,769 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Interventional Cardiology |
Hospital affiliations
- Rochester General HospitalRochester, NY
- Strong Memorial HospitalRochester, NY
- Unity HospitalRochester, NY
Industry payments (Open Payments)
- 2025$254.58 · 6 payments from 1 company
- 2024$93.97 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $254.58 | 6 |
What the 2025 payments were for
- Food and Beverage$254.58 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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