Gordon Marsa, M.D.M.D.Unclaimed · claim itGastroenterologyGreeneville, TN20+ 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.(423) 302-6565NPI 1477593218View Profile Claim
Joseph Kretschmar, M.D.M.D.Unclaimed · claim itGastroenterologyGreeneville, TN45 years experienceCalculated from a graduation year of 1981, reported in the CMS National Downloadable File.(423) 787-6370NPI 1699763649View Profile Claim