Linda F. Duckwitz, LICSW, LACLICSW, LACUnclaimed · claim itMental Health CounselorFort Totten, ND18+ years experienceRegistered with an NPI since 2008. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(701) 766-4236NPI 1124206248View Profile Claim