The Ontario Association of Gastroenterology (OAG) is a non-profit association incorporated in the province of Ontario. The OAG serves the practice of gastroenterology in Ontario, promoting, maintaining and improving its knowledge and standards. The Association represents Ontario gastroenterologists in discussions, meetings and communications with other groups including the Ontario Medical Association, the Government of Ontario and other health professionals. By representing the specialty of gastroenterology, we are the official voice of Ontario Gastroenterologists.