Sarah J. Wilczek, PHARMDPHARMDUnclaimed · claim itPharmacist — PharmacotherapyNeenah, WI13+ 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.(920) 751-0270NPI 1497187181View Profile Claim