Guy G. Deangelis, N.D., PhDN.D., PH.D.Unclaimed · claim itNaturopathWorthington, OH16+ years experienceRegistered with an NPI since 2010. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(614) 284-2626NPI 1871895888View Profile Claim