Robert C. Barnes, D.O.
NPI 1316961360ActiveIndividual· Internal Medicine· Clarkston, MI
Internal Medicine (D.O.) in Clarkston, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $743,867 for 5,759 claims, against $64,597 paid for services in 2024. Amgen Inc. was the largest of 11 companies reporting payments in 2025, $365.46 in all, mostly food and beverage.
Overview
| NPI | 1316961360 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | Aug 1, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 5101011671 | 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 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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 114 |
|---|---|
| Services billed | 1,822 across 42 procedure codes |
| Paid by Medicare | $64,597 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,759 · 12,455 30-day fills |
|---|---|
| Patients | 241 |
| Total drug cost | $743,867 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
Medical groups
- Powerback Rehabilitation LLCJackson, MI · 649 clinicians
- Michigan Healthcare Professionals PCClarkston, MI · 529 clinicians
- McLaren Community Based Primary Care GroupClarkston, MI · 56 clinicians
Hospital affiliations
- McLaren OaklandPontiac, MI
- Trinity Health Oakland HospitalPontiac, MI
Industry payments (Open Payments)
- 2025$365.46 · 23 payments from 11 companies
- 2024$379.86 · 24 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $138.31 | 10 |
| Exact Sciences Corporation | $41.78 | 2 |
| Abbvie Inc. | $34.17 | 2 |
| Lilly USA, LLC | $30.73 | 2 |
| Pfizer Inc. | $22.61 | 1 |
What the 2025 payments were for
- Food and Beverage$365.46 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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