David R. Arday, M.D., MPHM.D., M.P.H.Unclaimed · claim itOccupational MedicineLaurel, MD20+ 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.(240) 380-2180NPI 1437112992View Profile Claim