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The London Clinic


  • Colorectal Surgery
  • Gastroenterology

Clinical interests

  • Abdominal wall reconstruction
  • Closure of stoma
  • Colonoscopy
  • Diverticular disease
  • Fissure
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  • Fistula
  • Flexible sigmoidoscopy
  • Haemorrhoid
  • Hernia (abdominal wall)
  • Inflammatory bowel disease
  • Proctology
  • Rectal cancer
  • Small bowel resection
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Professional profile

Omar Faiz is the Clinical Director and a Consultant Colorectal Surgeon at St Marks Hospital and Honorary Senior Lecturer at Imperial College.

His areas of clinical interest within colorectal surgery are the surgical management of Inflammatory Bowel Disease (IBD), hereditary cancer syndromes, colorectal cancer and proctology. He trained in General and colorectal Surgery within London and the South East of England and undertook specialist colorectal fellowships at St Mark’s Hospital and Valencia University Hospital prior to taking up a consultant post at Imperial College in 2008 (St Mary’s Campus) and then taking up a consultant position at St Mark’s hospital in 2012.

Mr Faiz has wide research interests and he has supervised 20 PhD and MD research fellows at Imperial College. His principal research interests include colorectal surgical epidemiology, health services research and surgical outcome research. He has authored 200 papers in peer-reviewed journals. In addition he has authored eleven book chapters and three text books.

Mr Faiz holds various leadership positions at a national level. He is the current Chairman of the Association of Coloproctologists of Great Britain and Ireland (ACPGBI) IBD subcommittee. He is also Chair of the national Ileal Pouch Registry and represents the ACPGBI on the Inflammatory Bowel Disease Standards board. He is an Associate Editor for the journal Colorectal Disease.

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Current posts

  • Clinical Director and Consultant Colorectal Surgeon
    St Mark's Hospital, London

Current teaching posts

  • Honorary Senior Lecturer
    Imperial College London

Medical training

Year qualified
  • University of London

Ages treated

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Clinic location

116 Harley Street
London W1G 7JL
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Clinic times

Monday: On request PM
Tuesday: 1-5pm
Saturday: On request
Sunday: On request

Main switchboard: +44 (0) 207 935 4444

Treatment enquiries: +44 (0) 207 616 7693Consultant appointments: +44 (0) 207 616 7693 Prices for self funding patients: +44 (0) 203 219 3315Physiotherapy appointments: +44 (0) 207 616 7651X-ray and scan appointments: +44 (0) 207 616 7653Invoice and payment enquiries: +44 (0) 207 616 7708

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