Dr Gareth Sadler

Consultant Gastroenterologist

MBChB, BMedSci, FRCP, MSc

Year qualified:2000

Specialty

Personal profile

Dr Sadler 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.

He runs weekly out-patient gastroenterology clinics, and shares responsibility for the care of gastroenterology in-patients. Dr Sadler is an accredited screening colonoscopist for the National Bowel Cancer Screening Programme. His main clinical interests are luminal gastroenterology and colonoscopy, including bowel cancer screening, irritable bowel syndrome, inflammatory bowel disease, coeliac disease, dyspepsia and nutrition.

He lives in Dorking with his wife, who is a local GP, and his two children, who are a constant source of amusement, frustration and mischief! Any free time is spent in the gym, on the golf course, or out with friends.  

Professional Membership



  • Royal College of Physicians (London)

  • British Society of Gastroenterology

Clinical Interests



  • Clinical nutrition

  • Inflammatory bowel disease

  • Luminal gastroenterology

  • Colonoscopy

  • Endoscopy training

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