Darwin L. Irvine, MA, LPC, LATMA, LPC, LATUnclaimed · claim itMental Health CounselorBasin, WY17+ years experienceRegistered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(307) 568-2020NPI 1417285883View Profile Claim