Michael L. Mahacek, MD
NPI 1922021484ActiveIndividual· Radiology, Radiation Oncology· Grand Rapids, MI
Radiology, Radiation Oncology (MD) in Grand Rapids, Michigan, trained at Michigan State University College of Human Medicine (class of 1988). 279 Medicare patients in 2024, $95,993 paid; nearly all of their 154 Part D prescriptions were generic (96%). Teleflex LLC reported $17.40 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1922021484 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Dec 9, 2025 |
| Certified by provider | Dec 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 053126 | 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 - Radiation Oncology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 279 |
|---|---|
| Services billed | 1,436 across 33 procedure codes |
| Paid by Medicare | $95,993 |
Part D prescriptions in 2024
| Prescriptions (claims) | 154 · 314 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $4,130 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Radiation Oncology Centers PCHolland, MI · 9 clinicians
Hospital affiliations
- Corewell Health Big Rapids HospitalBig Rapids, MI
- Corewell Health Reed City HospitalReed City, MI
- Holland HospitalHolland, MI
- Spectrum HealthGrand Rapids, MI
- Spectrum Health United HospitalGreenville, MI
Industry payments (Open Payments)
- 2025$17.40 · 1 payment from 1 company
- 2024$22.71 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teleflex LLC | $17.40 | 1 |
What the 2025 payments were for
- Food and Beverage$17.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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