Trisha L. Oss, PHARMDPHARMDUnclaimed · claim itPharmacist — PharmacotherapyWest Fargo, ND13+ years experienceRegistered with an NPI since 2013. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(701) 281-2222NPI 1104251164View Profile Claim