Brian D Kastner, MD
Brian D Kastner, MD practises Radiation Oncology in East Grand Rapids, Michigan. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 1996, 30 years ago. Practices with Radiation Oncology Centers PC, a 9-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.
- Years since qualifying
- 30
- Trained at
- University of Kansas School of Med (KC/WICH/SAL)
- Licensed in
- MI
- In the registry since
- 2006
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
1840 Wealthy St SEEast Grand Rapids, MI 49506-2921
Phone: (616) 774-7845
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 145 Michigan St Ne Ste 1100, Grand Rapids, MI 49503-2562 — (616) 486-5750
Specialties & licences
| Radiation Oncology Physician (primary) | Taxonomy 2085R0001X · Licence 077557 (MI) |
|---|
Record details
| NPI number | 1396767752 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | July 24, 2006 |
| Last updated in NPPES | December 9, 2025 |
| Certification date | December 9, 2025 |
Medicare enrollment
| Medicare specialty | RADIATION ONCOLOGY |
|---|---|
| Medical school | UNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL) |
| Graduated | 1996 (30 years in practice) |
| Group practice | Radiation Oncology Centers Pc — 9 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 3 on file with Medicare |
Medicare patients and services, 2024
| Medicare patients | 263 |
|---|---|
| Services billed | 1,089 |
| Average patient age | 72 |
Practises at
- Mercy Health Saint Mary'S Hospital · Grand Rapids, MI
- Spectrum Health Hospital · Grand Rapids, MI · listed as Spectrum Health Hospital
- Corewell Health Big Rapids Hospital Hospital · Big Rapids, MI
- Corewell Health Reed City Hospital Hospital · Reed City, MI
Colleagues at Radiation Oncology Centers PC
- Eric P Buth, MD Radiation Oncology Physician · Reed City, MI
- Dr. Joshua David Corteville, MD Radiation Oncology Physician · Grand Rapids, MI
- Patrick L Fabrizio, MD Radiation Oncology Physician · Grand Rapids, MI
- Michael L Mahacek, MD Radiation Oncology Physician · Grand Rapids, MI
- Dr. Matthew W Packard, MD Student in an Organized Health Care Education/Training Program · Grand Rapids, MI
- Gina Elizabeth Rebesco, MD Radiation Oncology Physician · Grand Rapids, MI
- Paul O Thieme Jr., DO Radiation Oncology Physician · Grand Rapids, MI
Other providers in East Grand Rapids
-
Edward K Lee, DO
1840 Wealthy St SE, East Grand Rapids, MI 49506-2921 · (616) 774-7845