Dr. Heap joined OMC in 2005 and is a native Washingtonian. He received his BA from Washington University, in Saint Louis, in Biochemistry and Molecular Biology. He received his MD from Saint Louis University School of Medicine. He completed his Internship, Residency, and Fellowship at the University of Illinois Medical Center. He is Board Certified in Internal Medicine and Gastroenterology/Hepatology. In addition to diagnostic and therapeutic endoscopy he also practices advanced endoscopy, including endoscopic ultrasound and capsule endoscopy.