DC Health
Board of Nursing
MARY SISTER O'BRIEN
Nursing - Registered Nurse
License number
RN18581
Date granted
11/18/1955
Date expires
06/30/1980
Class
Nursing - Registered Nurse
Status
Expired
dcnurses.org
ID 20750331
LAST UPDATED 2026-05-30 05:08:42 UTC
LAST UPDATED 2026-05-30 05:08:42 UTC
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