Alfred S. Ding, D.D.S., M.S.D.D.S., M.S.Unclaimed · claim itDentistryFremont, CA20+ 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.(510) 574-1868NPI 1699837096View Profile Claim