Ruth A. Keen, CERT NURSE MIDWIFECERT NURSE MIDWIFEUnclaimed · claim itAdvanced Practice MidwifeSalem, NH20+ 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.(603) 898-4269NPI 1679640890View Profile Claim