Professor John Mayberry


DSc, MD, LLM, MSc , FFPH, FRCP(London & Glasgow), FRCP (Ireland), FEBGH, MCIArb, Grad Dip Law, Bar Vocational Diploma

GMC number: 2311315

Practising since: 1976


General (internal) Medicine, Gastroenterology, Public Health Medicine

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Nuffield Health is delighted to introduce Professor John Mayberry Consultant Gastroenterologist. 

Professor Mayberry has worked in gastroenterology for more than 30 years. His major areas of interest include peptic ulcer disease, achalasia, inflammatory bowel disease, coeliac disease, colorectal cancer and pancreatic disease. He sees patients in all areas of gastroenterology and also offers gastroscopy, flexible sigmoidoscopy and colonoscopy. Professor Mayberry is also a non-practising barrister, who was called to the Bar at Lincoln’s Inn.

Special interests

Professor Mayberry has chaired NICE committees for the management of Crohn’s disease. He was also a member of the Herbal Medicines Advisory Committee for the MHRA.

He has a long-standing interest in complementary and alternative treatment in the management of gastrointestinal diseases.

Other interests

He has been a keen gardener throughout his life. In recent years he has kept chickens of various types along with quail.

In the evening he likes to spend time with his family and reading history.

Treatments and tests offered by Professor John Mayberry at Nuffield Health

  • Colorectal screening
  • Glucose breath test
  • Colonoscopy
  • Urea Breath Test 13C
  • Flexible sigmoidoscopy
  • Lactose breath test
  • Therapeutic Endoscopy

Locations Professor John Mayberry works with

Related experience


  1. DSc for research in the aetiology of gastrointestinal diseases
  2. MD for research on the aetiology of Crohn's disease
  3. LLM for legal aspects of the delivery and quality of care
  4. MSc for aspects of medical education

He has written more than 300 papers in peer review medical journals. The topics include inflammatory bowel disease, colorectal cancer screening, achalasia, and medical education. His current interests focus on the equitable delivery of care to all communities.


  • Royal College of Physicians of London
  • Royal College of Physicians of Ireland
  • Royal College of Physicians and Surgeons of Glasgow
  • British Medical Acupuncture Society
  • Lincoln’s Inn
  • Chartered Institute of Arbitrators
  • Medical and Dental Defence Union of Scotland

Other posts held

  • Professor of Gastroenterology, University of Leicester