american college of gastroenterology american college of gastroenterology the american college of gastroenterology (acg) is a bethesda, maryland–based medical association of gastroenterologists. the association was founded in 1932 and holds annual meetings and regional postgraduate continuing education courses, establishes research grants, and publishes the american journal of gastroenterology, clinical and translational gastroenterology and the acg case reports journal. more than 18,000 physicians from 86 countries are members of the acg. the acg provides its members with scientific information on digestive health and the etiology, symptomatology and treatment of gi disorders. the current president (2022–23) is daniel j. pambianco, md, facg.