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General enquiries:
+44 (0)207 935 4444
Book an appointment:
+44 (0)207 616 7693
Self-pay enquiry:
+44 (0)203 219 3315
The London Clinic
Professor Faiz's areas of clinical interest within colorectal surgery are the surgical management of Inflammatory Bowel Disease (IBD), hereditary cancer syndromes, colorectal cancer and proctology.

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Fast track your treatment with Professor Omar Faiz. Call us on 020 3944 1073.

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Your call may be recorded for training and monitoring purposes.

Specialties and sub-specialties

Colorectal Surgery
Gastroenterology

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.

Professor 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.

Professor 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.

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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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 1994
  • University of London

mEDICAL aDMISSIONS

A nurse with a patient

Facilitating acute admissions into The London Clinic whilst maintaining the highest levels of safety and care, supported by a consultant on-call rota.

Concierge service

Chauffeur loading suitcases into a luxury car

We can support our patients with travel, hotel accommodation, London tours, plus theatre and restaurant reservations.

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Main numbers

General enquiries: 020 7935 4444Appointments: 020 7616 7693Self-pay: 020 3219 3315

Other numbers

Concierge service: 020 3219 3323International office: 020 3 219 3266Invoice and payment enquiries: 020 7616 7708

Your call may be recorded for training and monitoring purposes.

Medical service numbers

Breast services appointments: 020 7616 7653 Diagnostics appointments: 020 7616 7653 Endoscopy appointments: 020 7616 7760 Eye centre appointments: 020 7616 7768 Haematology appointments: 020 7535 5503 Kidney services appointments: 020 7224 5234 Liver services appointments: 020 7616 7719 Physiotherapy appointments: 020 7616 7651 Radiology appointments: 020 7616 7653

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