James L. Chambers, D.O.
NPI 1295722288ActiveIndividual· Internal Medicine, Cardiovascular Disease· Flint, MI
Internal Medicine, Cardiovascular Disease (D.O.) in Flint, Michigan, trained at West Virginia School of Osteopathic Medicine (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $3,560,534 for 7,719 claims, against $295,004 paid for services in 2024. Medtronic, Inc. was the largest of 22 companies reporting payments in 2025, $2,929 in all, mostly food and beverage.
Overview
| NPI | 1295722288 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Oct 4, 2005 |
| Last updated in NPPES | May 17, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 5101008059 | MI |
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) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 718 |
|---|---|
| Services billed | 4,036 across 52 procedure codes |
| Paid by Medicare | $295,004 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,719 · 19,110 30-day fills |
|---|---|
| Patients | 1,112 |
| Total drug cost | $3,560,534 |
| Generic share | 66% of claims |
Education and affiliations
| Medical school | West Virginia School of Osteopathic Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Cardiology Institute of Michigan PLLCFlint, MI · 11 clinicians
Hospital affiliations
- Hurley Medical CenterFlint, MI
- McLaren FlintFlint, MI
- Memorial HealthcareOwosso, MI
Industry payments (Open Payments)
- 2025$2,929 · 120 payments from 22 companies
- 2024$3,717 · 135 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $554.07 | 9 |
| Novartis Pharmaceuticals Corporation | $296.84 | 13 |
| Amgen Inc. | $238.19 | 13 |
| Boston Scientific Corporation | $233.88 | 6 |
| Merck Sharp & Dohme LLC | $198.34 | 10 |
What the 2025 payments were for
- Food and Beverage$2,929 · 120 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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