Claudia Parker, PA

Zachary Sherrill, DO, is a gastroenterologist based in Oak Ridge, TN, affiliated with Covenant Medical Group. He specializes in various gastrointestinal conditions, including Barrett's Esophagus, liver cirrhosis, inflammatory bowel disease, and performs procedures such as colonoscopy and endoscopy. Dr. Sherrill completed his medical education at Lincoln Memorial University DeBusk College of Osteopathic Medicine and his residency at the University of North Carolina Health Blue Ridge. He is currently accepting new patients and offers a range of accepted insurance plans for comprehensive patient care. Generated from the website

Dr. Charles Orton is a gastroenterologist with more than 10 years of medical experience at Oak Ridge Gastroenterology Associates in Oak Ridge, TN. Dr. Orton said a personal experience with esophageal issues helped lead him to his medical specialty, as well as the benefit of long-term relationships with his patients and the ability to do various procedures. When he’s not practicing medicine, Dr. Orton enjoys spending time with his three daughters, fishing, and watching college football. “I love what I do in gastroenterology, and I truly feel the most reward with patient improvement.”