Lisa M. Gabrish Grabovac, D.D.S., M.S.D.D.S., M.S.Unclaimed · claim itPediatric DentistryChesterton, IN20+ 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.(219) 926-1068NPI 1114977303View Profile Claim