GastrointeDr. David F. Dies is board-certified in Internal Medicine, Gastroenterology and Hepatology. He has practiced in the Shreveport area since 1994. He is currently a partner with GastroIntestinal Specialists and serves on the Board of Directors. Dr. Dies is co-director of the Liver Center at GastroIntestinal Specialists along with another GIS partner, Dr. Humberto I. Aguilar. The Liver...