Khanh-Ha D. Nguyen, M.D., MPHM.D., MPHUnclaimed · claim itReproductive EndocrinologyMechanicsburg, PA19+ years experienceRegistered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(717) 516-1620NPI 1497880967View Profile Claim