Colon and Rectal Surgery Clinical Expertise Faculty Faculty Division of Colon and Rectal Surgery, Department of Surgery Home About Campus & Community Resources Surgery: Divisions > Colon and Rectal Surgery > Faculty Division Chief Skandan Shanmugan, MD Chief — Division of Colon and Rectal Surgery, Surgery Associate Professor — Division of Colon and Rectal Surgery, Surgery Faculty Joseph Carmichael, MD Professor — Division of Colon & Rectal Surgery, Surgery Chief Medical Officer, UC Irvine Health Steven Mills, MD Professor — Division of Colon and Rectal Surgery, Surgery Program Director, Colon and Rectal Surgery Fellowship Michael J. Stamos, MD Dean, UCI School of Medicine Professor — Division of Colon and Rectal Surgery, Surgery Valery Vilchez Parra, MD Assistant Professor — Division of Colon and Rectal Surgery, Surgery Matthew Whealon, MD Assistant Professor — Division of Colon and Rectal Surgery, Surgery Associate Program Director, General Surgery Residency Catherine Zhu, MD Assistant Professor — Division of Colon and Rectal Surgery, Surgery