Dr Mary Theophilus is a specialist colorectal and general surgeon who is dedicated to the east metropolitan health region.

She obtained her primary medical degree in Edinburgh, UK, and has trained in surgery in Western Australia, gaining FRACS in 2010 and a Fellowship in colorectal surgery from the Alfred Hospital in Melbourne, with the Colorectal Surgical Society of Australia and New Zealand (CSSANZ). Dr Theophilus has since been part of the colorectal unit at Royal Perth Hospital and has gained extensive experience in all aspects of colorectal and perianal surgery including performing colonoscopy.

She practices at St John of God Midland Public and Private Hospitals, where she is Head of the Department of general surgery and surgical specialties. Her special interests include all laparoscopic colorectal surgery, trans-anal minimally invasive surgery, perianal and pilonidal surgery.

She accepts referrals in all aspects of general surgery (elective and emergency), colorectal and perianal surgery, malignant and benign and pilonidal surgery. Dr Theophilus treats both public and private patients at St John of God Midland Public and Private Hospitals.