Dr. William Fredrick Ergen, MD

Dr. William Ergen specializes in gastroenterology and internal medicine, bringing 14 years of experience to digestive health care. He earned his medical degree from the University of Tennessee Health Science Center College of Medicine. Dr. Ergen speaks English and focuses on helping patients with a wide range of digestive system concerns.

Dr. Ergen practices at multiple locations throughout Knoxville and surrounding areas in Tennessee, with affiliations at major medical centers including UAB Hospital Birmingham, University of Tennessee Medical Center, and Fort Sanders Regional Medical Center. He treats conditions such as colon polyps, upper GI bleeding, and esophagitis. His expertise includes performing colonoscopies, upper GI endoscopy, and lower GI endoscopy to diagnose and treat digestive issues.