Marshelle Greenmyer-Bittner, LICSWLICSWUnclaimed · claim itClinical Social WorkerLisbon, ND9+ years experienceRegistered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(701) 308-0616NPI 1033645833View Profile Claim