Dr. Natalie Ya-Chun Chang is a California state licensed medical doctor, specializing in Internal Medicine. Graduated Magna Cum Laude from Western University of Health Sciences, completed residency training in Santa Clara Valley Medical Center, Dr. Chang's clinical interests include internal medicine and primary care. Dr. Chang currently is working at Kaiser Permanente, located in 1515 Newell Ave Walnut Creek CA 94596 Dr. Chang's clinic interests include internal medicine and primary care. Please call +1-925-295-4070 to contact. Access cdoc101.com on a desktop computer to view more details. | |||