Dr. Mary J Atten is a Internal Medicine,General Physician and Gastroenterologist in Near West Side, Chicago and has an experience of 38 years in these fields. Dr. Mary J Atten practices at Cook County Health in Near West Side, Chicago and Cook County Health Specialty Care Center in Near West Side, Chicago. She completed Medical School from University of Illinois College of Medicine in 1988 and Medical degree, DO from University of Illinois College of Medicine in 1988. Some of the services provided by the doctor are: Non-Alcoholic Fatty Liver Disease,Irritable Bowel Syndrome,Gastrojejunal Ulcer,Ultrasound, Endoanal and Congenital Achalasia etc.