Richard A. Covert, M.D., MPHM.D., MPHUnclaimed · claim itOccupational MedicineHazelwood, MO20+ 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.(314) 731-9675NPI 1689631194View Profile Claim