Raymond J. Zimmerman, M.D., PhDM.D., PH.D.Unclaimed · claim itPreventive Medicine —…Altoona, 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.(814) 944-4770NPI 1104979970View Profile Claim