Maine
Office of Professional and Occupational Regulation
THOMAS R. O'BRIEN, MD
Medicine - Medical Doctor
License number
MD10891
Date granted
09/15/1981
Date expires
05/31/2016
Class
Medicine - Medical Doctor
Status
Active
mainelicensing.org
ID 21167270
LAST UPDATED 2026-04-10 05:33:35 UTC
LAST UPDATED 2026-04-10 05:33:35 UTC
This website is unaffiliated with the Office of Professional and Occupational Regulation. Please verify all information directly with the relevant official government authority.