Mr Oliver Warren is a Consultant Surgeon based in London, UK where he has a high-volume practice specialising in colorectal and hernia surgery.

He originally graduated from Imperial College London in 2001, and was awarded a Doctorate from the same university in 2009. In 2012, Mr Warren was awarded the ASGBI Gold Medal for outstanding performance in his Fellowship of the Royal College of Surgeons examinations. He completed colorectal surgery fellowships at both the Royal Prince Alfred Hospital, Sydney and St Mark's Hospital, London and was the Association of Coloproctology's Visiting Fellow at the Cleveland Clinic, Ohio in 2013. 

Mr Warren is currently the Clinical Director of Surgery and Consultant in Colorectal Surgery at Chelsea and Westminster Hospital. He is an Honorary Senior Lecturer at the Department of Surgery and Cancer, Imperial College London and has authored over 100 scientific papers, 8 book chapters and one book. He is on the complex abdominal wall reconstruction sub-committee of the British Hernia Society and chairs the regional abdominal wall reconstruction MDT. He is married, with 2 daughters and lives in south-west London. 

Diseases, Medical Tests and Treatments

• Appendicectomy
• Colorectal Surgery
• Endoscopy
• Hernia Repair (Keyhole)
• Laparoscopy
• Lipoma Removal
• Open Hernia Repair
• Skin Lesion Removal
• Abdominoperineal Resection
• Bowel Diversion Surgery
• Bowel Surgery (Colectomy)
• Removal Of Rectum And Colon (Proctocolectomy)
• Transanal Endoscopic Microsurgery (TEM)
• Appendicitis
• Bowel Cancer
• Femoral Hernia
• Hernia
• Inguinal Hernia
• Anal Cancer
• Anal Fistula
• Bowel Obstruction
• Colitis (Ulcerative Colitis)
• Colon Cancer
• Crohn’s Disease
• Diverticulitis
• Haemorrhoids
• Inflammatory Bowel Disease
• Pilonidal Sinus Disorders
• Rectal Cancer