Maine
Office of Professional and Occupational Regulation
WILLIAM J. PORTNER, MD
Medicine - Medical Doctor
License number
MD13618
Date granted
09/13/1993
Date expires
01/31/2016
Class
Medicine - Medical Doctor
Status
Active
mainelicensing.org
ID 21173204
LAST UPDATED 2026-08-17 02:30:18 UTC
LAST UPDATED 2026-08-17 02:30:18 UTC
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