Dr David G Walker

Gastroenterology, General (internal) medicine


  • is fee assuredFee assured
  • is Accredited endoscopistAccredited endoscopist

This healthcare professional let us know that they are currently available for:

    • Face-to-face consultations
    • Phone consultations

Last updated: 12 Nov 2020

Bupa specialist

  • Accredited endoscopist


  • Video and telephone consultations

About me

Dr David Walker qualified with distinction from Imperial College London (Charing Cross and Westminster Medical School) in 2000.

He trained in London on the North West Thames Gastroenterology rotation, working at a number of hospitals including St Mark’s Hospital, St Mary’s Hospital, and Charing Cross Hospital. This provided him with excellent training in all aspects of gastroenterology.

Dr Walker subsequently spent three years as a clinical research fellow at Imperial College London studying the role of genetics and gut bacteria in the aetiology of inflammatory bowel disease (IBD), and was awarded a Doctorate of Medicine in 2011. He has published his research in a number of international peer reviewed medical journals. In addition, he has written five book chapters and given invited talks for the charity Crohn's and Colitis UK.

Dr Walker has a keen interest in teaching and training, he completed a Postgraduate Certificate in Medical Education at the Royal College of Physicians/University College London. He is a Honorary Senior Clinical Lecturer at the University of Bristol and teaches medical students at the Royal United Hospital, Bath.

Dr Walker is an accredited endoscopist with the Joint Advisory Group of GI Endoscopy (JAG) and is an endoscopy trainer on National endoscopy training courses.

Areas of interest

Change in bowel habit; Irritable bowel syndrome (IBS); Inflammatory bowel disease (Crohn’s disease, ulcerative colitis); Colorectal cancer; Gastrointestinal effects of pelvic radiotherapy; Coeliac disease; Endoscopy (colonoscopy, sigmoidoscopy, gastroscopy); Dyspepsia (indigestion); Gastro-oesophageal reflux; Abdominal pain;

Medical secretaries

  • Gemma Adams
  • BMI Bath Clinic Longwood House Claverton Down Road Combe Down Bath BA2 7BR
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