Dr. Gregory Wiener is fellowship-trained in gastroenterology and specializes in helping patients with digestive tract issues. He manages many gastroenterological conditions, such as constipation, diarrhea, IBS, colitis, swallowing issues, liver disease, Hepatitis C, fatty liver and cirrhosis. In addition, he provides colon cancer prevention and digestion/nutrition consultations. Dr. Wiener can also offer patients access to clinical trials, providing the latest medications and treatment options. He has been practicing since 1990 and speaks Spanish, French and English.