Eric R. Bates, MD
NPI 1619055266ActiveIndividual· Internal Medicine, Cardiovascular Disease· Ann Arbor, MI
Internal Medicine, Cardiovascular Disease (MD) in Ann Arbor, Michigan, trained at University of Michigan Medical School (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $282,276 for 1,425 claims, against $22,280 paid for services in 2024. Menarini Silicon Biosystems, Inc. reported $28.01 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1619055266 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | May 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 4301041250 | MI |
| Internal Medicine | 207R00000X | 4301041250 | MI |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 4301041250 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 280 across 17 procedure codes |
| Paid by Medicare | $22,280 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,425 · 3,600 30-day fills |
|---|---|
| Patients | 184 |
| Total drug cost | $282,276 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine, Interventional Cardiology |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliation
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2025$28.01 · 1 payment from 1 company
- 2024$61.99 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Menarini Silicon Biosystems, Inc. | $28.01 | 1 |
What the 2025 payments were for
- Food and Beverage$28.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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