Colon and Rectal Surgery Clinical Expertise Faculty Faculty Division of Colon and Rectal Surgery, Department of Surgery Home Research Clinical Departments Surgery Divisions Faculty Division Chief Skandan Shanmugan, MD Associate Professor — Division of Colon and Rectal Surgery, Surgery Chief — Division of Colon and Rectal Surgery, Surgery Faculty Joseph Carmichael, MD Professor — Division of Colon and Rectal Surgery, Surgery Chief Medical Officer, UCI Health Steven Mills, MD Professor — Division of Colon and Rectal Surgery, Surgery Program Director — Colon and Rectal Surgery Fellowship Michael J. Stamos, MD Interim Vice Chancellor — Health Affairs Dean — UC Irvine School of Medicine Valery Vilchez Parra, MD Assistant Professor — Division of Colon and Rectal Surgery, Surgery Co-Director — PRIME-LC Program 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