Dr. Michael D. Brown is a gastroenterologist in Chicago, Illinois and is affiliated with multiple hospitals in the area, including Rush University Medical Center and Rush Oak Park Hospital. He received his medical degree from University of Illinois College of Medicine at Chicago and has been in practice for more than 20 years. Dr. Michael D. Brown has expertise in treating colonoscopy, upper gi endoscopy, inflammatory bowel disease (ibd), among other conditions - see all areas of expertise. Dr. Michael D. Brown accepts Medicare, Aetna, Humana, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted.