Darren R. Scheirman, D.C.D.C.Unclaimed · claim itChiropractor — Sports PhysicianConcord, 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.(925) 676-8626NPI 1295764942View Profile Claim