Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Brian D Kastner, MD

Individual provider Radiation Oncology Physician · NPI 1396767752

Brian D Kastner, MD is a 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.

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Practice location Address checks out

1840 Wealthy St SE
East Grand Rapids, MI 49506-2921
Phone: (616) 774-7845
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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 number1396767752
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESDecember 9, 2025
Certification dateDecember 9, 2025
Mailing address100 Michigan St Ne, Grand Rapids, MI 49503-2560

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY 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 locations3 on file with Medicare

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