Dr. Nien is a licensed General Surgery in CA. Graduated in 2001. Medical degree obtained from Pontificia Universidad Catolica de Chile, Santiago, Chile. Completed residency training at Marshall University, Huntington, WV. Currently practices at UCLA Health System (UCLA Health System), located at 27235 Tourney Rd, Valencia, CA 91355. Dr. Nien specializes in Abdominal wall reconstruction, Laparoscopy, Hernia repair, Gallbladder disease, Laparoscopic bowel resection, Laparoscopic hernia repair.. In addition to English, Dr. Nien speaks Taiwanese and Mandarin.