Katrina T. Cannon, MD, MS, CMDMD, MS, CMDUnclaimed · claim itGeriatric MedicineDavenport, IA20+ 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.(563) 421-4400NPI 1184734451View Profile Claim