Forums / David Frenz, M.D.'s Profile doctorfrenz Profile Topics started Replies created Profile Topics started Replies created doctorfrenz Forum role Member since Last activity Topics created Replies created Member Feb 18, 2017 (9 years) 1 year 0 1 Forum role Member Member since Feb 18, 2017 (9 years) Last activity 1 year Topics created 0 Replies created 1 Bio I'm a physician specializing in addiction medicine