Professor Omar Faiz

Professor Omar Faiz

BSc(Hons) MBBS FRCS(Gen Surg) MS

General Surgery

26 years of experience
13 years as a specialist


  • Colorectal Surgery
Show more

Languages spoken

  • English
  • Spanish
Show more

Registered with

  • General Medical Council: 4277233
Show more

    Practices worked at

    The Princess Grace Hospital

    42-52 Nottingham Place, London, United Kingdom, W1U 5NY
    2,137 reviews

    London Digestive Centre

    41 Welbeck Street, London, United Kingdom, W1G 8DU
    73 reviews


    Omar Faiz is the Clinical Director and a Consultant Colorectal Surgeon at St Mark's Hospital and Professor of Practice in Colorectal Surgery 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 250 papers in peer-reviewed journals. He has also authored 11 book chapters and three text books.


    Professor Faiz holds, or has held, various leadership positions at a national level. He is the ex-Chairman of the Association of Coloproctology of Great Britain and Ireland (ACPGBI) IBD subcommittee and Chair of the national Ileal Pouch Registry. He has contributed twice towards guideline development for the 'IBD Standards' and also NICE in 2015. Prof. Faiz has Chaired an international gastrointestinal surgery initiative of Global Comparators - a benchmarking and quality improvement group comprising sixty highly recognised worldwide academic hospitals (2014-2018).


    He currently represents the ACPGBI on the Inflammatory Bowel Disease Standards board and is the Lead for IBD Surgery for the ACPGBI. He is currently on the Board of Surgical-European Crohn's and Colitis Organisation (S-ECCO) and is an Associate Editor for the journal Colorectal Disease.


    In 2018 the Daily Mail published a Good Doctors Guide for IBD, compiled through clinical peer consensus, where Professor Faiz was listed and described as 'a very good, high volume surgeon at a major centre, supported by an excellent team.

    Diseases, Medical Tests and Treatments
    • Laparoscopic Surgery
    • Colorectal Surgery
    • Anal Fissure Repair
    • Abdominal wall reconstruction
    • Closure of stoma
    • Colonoscopy
    • Diverticular disease
    • Fissure
    • Fistula
    • Flexible sigmoidoscopy
    • Haemorrhoid
    • Hernia (abdominal wall)
    • Inflammatory bowel disease
    • Proctology
    • Rectal cancer
    • Small bowel resection


    • Colorectal Surgery
    • Laparoscopy
    Read more

    Special interests

    • Anal Cancer
    • Anal Fistula
    • Diverticulitis
    • Haemorrhoids
    • Inflammatory Bowel Disease (IBD)
    • Rectal Cancer
    Read more


    • BSc
    • MBBS
    • FRCS (GenSurg)
    • MS
    Read more


    Powered by Doctify
    Promoting trust & transparency in healthcare