Independence Missouri Gastroenterologist Doctors physician directory - Endoscopy is procedure that allows a doctor to examine the esophagus, stomach and duodenum, which can help to detect digestive disorders, for example, hiatal hernia, GERD, cancer, and stomach (peptic) ulcers. Endoscopy is performed in a doctor's office under conscious or deep sedation. After the procedure, your doctor will .... David J, Mock, M, d, PA. 3765 E Us 64 Alt, Suite 9, Murphy, NC 28906 map. Call for an Appointment. An internist in Murphy, NC, Dr. David Mock is skilled at diagnosing & treating a large array of ailments & disorders in adults.