Dr. David Jer-Wei Chang is a Oregon state licensed medical doctor, specializing in Acupuncture. Graduated Magna Cum Laude from OR), Dr. Chang currently is working at Whole Health PDX, located in 2330 NW Flanders St #101 Portland OR 97210 Please call +1-503-701-8766 to contact. Access cdoc101.com on a desktop computer to view more details. | |||