Dr. John Spear, MD, is a highly experienced gastroenterologist based in Bristol, VA, with over 39 years in the medical field. He graduated from Vanderbilt University in 1984 and has completed extensive training, including a fellowship in gastroenterology and residencies in both internal medicine and gastroenterology. Dr. Spear specializes in a variety of gastrointestinal issues, such as Gastroesophageal Reflux Disease (GERD), colorectal cancer, and peptic ulcer disease....