Kirsten M. Koos, M.D., MPHM.D., M.P.H.Unclaimed · claim itOccupational MedicineBloomington, MN19+ 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.(952) 893-0403NPI 1508048133View Profile Claim