Michigan
Department of Licensing and Regulation
WILLIAM PETER KOOISTRA
Psychologist - Psychologist
License number
6301007943
Date granted
10/27/1992
Date expires
08/31/2015
Class
Psychologist - Psychologist
Status
Active
Address
Grand Haven, MI 49417
michiganlicensing.org
ID 26009324
LAST UPDATED 2026-06-12 12:43:54 UTC
LAST UPDATED 2026-06-12 12:43:54 UTC
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