Dr Gareth Sadler

Consultant Gastroenterologist


Clinical Interests

  • Clinical nutrition
  • Inflammatory bowel disease
  • Luminal gastroenterology
  • Colonoscopy
  • Endoscopy training

Special clinical interests:

  • Bowel cancer screening
  • All aspects of luminal gastroenterology
  • Crohn’s disease
  • Ulcerative Colitis
  • Coeliac disease
  • Indigestion
  • Endoscopy
  • Irritable bowel syndrome (IBS)

Professional Memberships

  • Royal College of Physicians (London)
  • British Society of Gastroenterology

Current NHS and /or University Posts

  • St George's University Hospital, Tooting

Personal profile

Dr Sadler runs weekly outpatient gastroenterology clinics, and shares responsibility for the care of gastroenterology inpatients in his NHS practice. He is an accredited screening colonoscopist for the National Bowel Cancer Screening Programme.

Training and Appointment

He qualified from the University of Birmingham Medical School in 2000 and undertook specialist training in the West Midlands and London Deaneries. He is dual speciality accredited in Gastroenterology and General Internal Medicine.

He completed a Masters in Health Economics at the University of Birmingham, and a post-CCT Fellowship in Endoscopy at St George’s Hospital, prior to taking up a Consultant post in Gastroenterology at the Royal Surrey County Hospital in 2010. He moved back to St George’s Hospital in 2012.

His main clinical interests are luminal gastroenterology and colonoscopy, including bowel cancer screening, irritable bowel syndrome, inflammatory bowel disease, coeliac disease, dyspepsia and nutrition.

Year qualified: