Dr. Chun Ouyang is a gastroenterologist in Walnut Creek, California and is affiliated with multiple hospitals in the area, including Kaiser Permanente Walnut Creek Medical Center and Kaiser Permanente Antioch Medical Center. He received his medical degree from Shanghai Jiao Tong University School of Medicine and has been in practice for more than 20 years. Dr. Chun Ouyang accepts Medicare, Kaiser - see other insurance plans accepted.