Brian KastnerMD
Radiation Oncology·East Grand Rapids, MI
Brian Kastner, MD is a Radiation Oncology provider in East Grand Rapids, MI, as of July 2026.
- NPI1396767752
- Registered2006
- Class of1996
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Brian Kastner at a glance
- Provider
- Brian Kastner
- Credential
- MD
- Specialty
- Radiation Oncology
- Location
- East Grand Rapids, MI
- Medical school
- University of Kansas School of Med (kc/wich/sal)
- Graduated
- 1996
- NPI registered
- 2006
- NPI
- 1396767752
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Brian Kastner practice?
Brian Kastner, MD is based in East Grand Rapids, MI. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Brian Kastner's NPI number?
Brian Kastner's National Provider Identifier (NPI) is 1396767752, registered in 2006. Specialty on record: Radiation Oncology; credential MD.
Where did Brian Kastner go to medical school?
Brian Kastner, MD attended University of Kansas School of Med (kc/wich/sal), graduating in 1996.
How many Radiation Oncology providers in Michigan work at ambulatory surgery centers?
25 Radiation Oncology surgeons and proceduralists in Michigan are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Brian Kastner among them. The Michigan Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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