Michael I. Ghilezan, MD, PHD
NPI 1164481859ActiveIndividual· Radiology, Radiation Oncology· Pontiac, MI
Radiology, Radiation Oncology (MD, PHD) with American Oncologic Associates of Michigan PC, practicing in Pontiac, Michigan. 196 Medicare patients in 2024, $953,015 paid; nearly all of their 308 Part D prescriptions were generic (98%). Boston Scientific Corporation was the largest of 5 companies reporting payments in 2025, $238.27 in all, mostly food and beverage. Lists Beaumont Hospital - Farmington Hills and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1164481859 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Mar 21, 2006 |
| Last updated in NPPES | Jan 24, 2022 |
| Certified by provider | Dec 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 4301079938 | 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 - Radiation Oncology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 5,963 across 44 procedure codes |
| Paid by Medicare | $953,015 |
Part D prescriptions in 2024
| Prescriptions (claims) | 308 · 469 30-day fills |
|---|---|
| Patients | 123 |
| Total drug cost | $4,347 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- American Oncologic Associates of Michigan PCPontiac, MI · 9 clinicians
Hospital affiliations
- Beaumont Hospital - Farmington HillsFarmington Hills, MI
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
Industry payments (Open Payments)
- 2025$238.27 · 6 payments from 5 companies
- 2024$111.93 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $142.29 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $33.21 | 1 |
| Teleflex LLC | $23.61 | 1 |
| Bioprotect Medical, Inc. | $19.68 | 1 |
| Sumitomo Pharma America, Inc. | $19.48 | 1 |
What the 2025 payments were for
- Food and Beverage$238.27 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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