John D. Bonema, MD
NPI 1508833708ActiveIndividual· Internal Medicine· Troy, MI
Internal Medicine (MD) in Troy, Michigan, trained at Wayne State University School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $909,079 for 11,456 claims, against $187,784 paid for services in 2024. Amgen Inc. was the largest of 9 companies reporting payments in 2025, $603.59 in all, mostly food and beverage.
Overview
| NPI | 1508833708 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 7, 2006 |
| Last updated in NPPES | Feb 25, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301051116 | 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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 377 |
|---|---|
| Services billed | 5,479 across 95 procedure codes |
| Paid by Medicare | $187,784 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,456 · 25,410 30-day fills |
|---|---|
| Patients | 781 |
| Total drug cost | $909,079 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Arcturus Healthcare PLCTroy, MI · 63 clinicians
Hospital affiliations
- Ascension Providence Rochester HospitalRochester, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
Other facilities
- Beaumont Home HealthHome health agency · Troy, MI
- Residential Home HealthHome health agency · Troy, MI
Industry payments (Open Payments)
- 2025$603.59 · 14 payments from 9 companies
- 2024$508.61 · 13 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $145.76 | 4 |
| Astrazeneca Pharmaceuticals LP | $143.59 | 3 |
| Abbvie Inc. | $125.26 | 1 |
| Abbott Laboratories | $106.66 | 1 |
| Ars Pharmaceuticals Operations, Inc. | $18.75 | 1 |
What the 2025 payments were for
- Food and Beverage$603.59 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 171 internal medicine physicians in Troy · All internal medicine physicians in Michigan