Richard C. Tatum, D.D.S., MPHD.D.S., M.P.H.Unclaimed · claim itDental Public HealthColumbia, MD19+ 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.(410) 730-8330NPI 1750425294View Profile Claim