George V. Tsimoyianis, M.D.M.D.Unclaimed · claim itPediatrics — Adolescent MedicineDarien, CT20+ years experienceRegistered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(203) 655-9741NPI 1265519599View Profile Claim