Mr William Michael Thomas

Consultant Colorectal Surgeon


Specialises in

Also available for:

Virtual consultations:

I am a specialist colorectal surgeon with a special interest in the treatment of haemorrhoids, peri-anal disease such as fistula and fissures, ulcerative colitis, Crohns disease and carcinoma of the colon and rectum.

I underwent specialist training at St Mark's Hospital, London and the Coloproctoscopy Units in Nottingham and Adelaide before returning to Leicester as a consultant.

I am widely published in the fields of coloproctology and have a doctorate relating to bowel cancer screening.

Treatment information

Some of the principal treatments carried out by Mr William Michael Thomas at Spire include:

General surgery

Other treatments

I treat bowel disorders including ulcerative colitis, Crohns disease, cancer of the colon and anal diseases including haemorrhoids, fissures and anal fistula.

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Important information about COVID-19 tests

COVID-19 testing or antibody tests are not available as a standalone service at Spire Leicester Hospital.


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Additional information

Colorectal surgery
Gastrointestinal surgery
General surgery
Hernia repair surgery

Special clinical interests: Abdominal surgery, investigation and treatment of bowel disorders.

MB BCh / University of Wales, Cardiff / 1982
Bachelor of Medicine, Bachelor of Surgery

DM / University of Nottingham / 1996
Doctor of Medicine

FRCS / Edinburgh / 1987
Fellow of the Royal College of Surgeons

Professional memberships

Fellow Royal College of Surgeons of Edinburgh

Member Association of Coloproctology

Council Member of Section of Coloproctology Royal Society of Medicine

  • Cancer screening including flexible sigmoidoscopy and colonoscopy
  • Inflammatory bowel disease

Consultant Colorectal Surgeon, Leicester General Hospital.

Telephone 0116 265 3685
Private secretary Spire Leicester Medical Secretaries
Private secretary telephone 0116 265 3014
Private secretary fax 0116 272 9009
Private secretary email