Becky Schwarzhoff, LADC, LSWLADC, LSWUnclaimed · claim itAddiction Medicine (Neurology/Ps…Fergus Falls, MN8+ years experienceRegistered with an NPI since 2018. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(218) 531-1528NPI 1679054969View Profile Claim