Dr. John Kaveh Ryan III, MD

Dr. John Ryan is a gastroenterologist who earned his medical degree from the University of South Carolina School of Medicine Columbia. With 31 years of experience in digestive health, he specializes in diagnosing and treating conditions affecting the gastrointestinal system. Dr. Ryan is fluent in Chinese and Spanish, allowing him to serve diverse patient populations throughout the Las Vegas area.

Dr. Ryan practices at multiple locations across Las Vegas and Henderson, Nevada, with affiliations at Saint Rose Dominican Hospitals Rose De Lima Campus, Sunrise Hospital And Medical Center, Mountainview Hospital, Dignity Health Saint Rose Dominican Hospital Siena Campus, and Southern Hills Hospital And Medical Center. He treats common digestive conditions including hemorrhoids, colon polyps, and GERD. His expertise includes performing essential diagnostic procedures such as colonoscopy, upper GI endoscopy, and lower GI endoscopy to help patients maintain their digestive health.