Maine
Office of Professional and Occupational Regulation
WILLIAM C. HALLSTEIN, MD
Medicine - Medical Doctor
License number
MD13974
Date granted
04/28/1995
Date expires
05/31/2016
Class
Medicine - Medical Doctor
Status
Active
mainelicensing.org
ID 21133615
LAST UPDATED 2026-06-06 20:28:00 UTC
LAST UPDATED 2026-06-06 20:28:00 UTC
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