Lynda S. Bickerstaff, RN, MSN, CNS, CWOCNRN, MSN, CNS, CWOCNUnclaimed · claim itClinical Nurse SpecialistCarlsbad, NM20+ years experienceRegistered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(575) 887-5321NPI 1598784571View Profile Claim