Lawrence S. Tierney, M.D.M.D.Unclaimed · claim itGastroenterologySaint Charles, MO38 years experienceCalculated from a graduation year of 1988, reported in the CMS National Downloadable File.(636) 669-2332NPI 1053440222View Profile Claim
Hari H. Diwakaran, M.D.M.D.Unclaimed · claim itGastroenterologySaint Charles, MO39 years experienceCalculated from a graduation year of 1987, reported in the CMS National Downloadable File.(636) 669-2332NPI 1285694703View Profile Claim
Marin I. Marcu, M.D.M.D.Unclaimed · claim itGastroenterologySaint Charles, MO40 years experienceCalculated from a graduation year of 1986, reported in the CMS National Downloadable File.(636) 669-2332NPI 1295795722View Profile Claim
Martin P. Altman, M.D.M.D.Unclaimed · claim itGastroenterologySaint Charles, MO20+ 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.(636) 669-2332NPI 1437110491View Profile Claim
David J. Westrich, MDMDUnclaimed · claim itGastroenterologySaint Charles, MO10 years experienceCalculated from a graduation year of 2016, reported in the CMS National Downloadable File.(636) 669-2332NPI 1679927230View Profile Claim
