Individual
BRIAN D KASTNER
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
1840 WEALTHY ST SE, EAST GRAND RAPIDS, MI 49506-2921
(616) 774-7845
Mailing address
100 MICHIGAN ST NE, GRAND RAPIDS, MI 49503-2560
(616) 391-1830
Taxonomy
Speciality
Code
Description
License number
State
2085R0001X
Radiation Oncology Physician
Primary
077557
MI
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
4311107
—
MI
01
—
920006258
RAILROAD MEDICARE
MI
Enumeration date
07/24/2006
Last updated
12/09/2025
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