Nien, Yih-Dar, M.D.
General Surgery
City of Hope,
23823 Valencia Blvd,
Santa Clarita CA 91355
Phone: 661-799-1999,
Minimally Invasive and Single Site Laparoscopy, Abdominal Wall Reconstruction and Hernia Repair, Diverticular Disease, Hemorrhoids, Rectal Prolapse, Intestinal Obstruction, Wound Care.