Gregory C. Michaels, D.D.S., M.S.D.D.S., M.S.Unclaimed · claim itDentistryLancaster, OH19+ years experienceRegistered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(740) 654-6628NPI 1396884805View Profile Claim