dr jonathan marshall gastroenterology banbury

Dr Jonathan Marshall

Consultant Gastroenterologist

Qualifications: MB BS BSc MRCP MD
Year first qualified: 1988
GMC number: 3356395
Main NHS base: Oxford University Hospitals NHS Trust
Gastroenterology treatments


Dr Jonathan Marshall specialises in general gastroenterology and hepatology, endoscopy (both upper endoscopy and colonoscopy). His special interests are helicobacter pylori and dyspepsia, as well as alcohol-related liver disease and general medicine.

Training and background

Dr Marshall qualified from London University and obtained his further higher Medical Degree in 2001 on the role of alcohol, pylori and peptic ulcer disease, in which he continues to maintain a research interest. He has provided treatments and undertaken procedures regarding consultation upper endoscopy, flexible sigmoidoscopy and colonoscopy and he is the clinical lead for endoscopy at OUH. His physician training in general medicine allows a more holistic overview of the patient’s problem whilst being able to provide a comprehensive upper and lower endoscopic service as required.

Research and teaching

Research into pylori and peptic ulcer disease.

Professional memberships

Royal College of Physicians, British Society of Gastroenterology.


Tuesday afternoons and evenings


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