Dr John O'Donohue

Dr John O'Donohue is a Consultant Gastroenterologist in London, UK. He has over 20 years’ experience and expertise in gastroenterology at consultant level. What is important to him in his Practice 'Communication skills are particularly important to me.  I pride myself on being a good listener, first developing a rapport with patients before making a diagnosis and agreeing a treatment plan with them. I also enjoy performing endoscopy well and making it a comfortable and not an off-putting experience. It gives me great satisfaction to see patients get the best treatment, and I take great pride in my excellent feedback from my patients’. Training and Qualifications Dr O'Donohue qualified from University of Dublin, Trinity College, in 1987. He was awarded the Blaney Gold medal for First in Medicine, St James' Hospital, in the final medical examinations in 1987. Dr O'Donohue completed pre-registration training in Dublin before he moved to London in 1990 to undertake his specialist Registrar training in Gastroenterology and Hepatology at the world-famous King's College Hospital Liver Unit and at St. Bartholomew's/Homerton Hospital, London. He undertook laboratory and clinical research in King’s College Hospital resulting in numerous original publications and his post-graduate MD thesis, awarded for original research including numerous original publications in the field of primary biliary cholangiopathy. After this he completed his specialist training as a Senior Registrar at the Western Infirmary, Glasgow, gaining expensive experience in inflammatory bowel disease. He then returned to London as a Consultant Physician and Gastroenterologist in the NHS in 1998, at Lewisham and King’s College Hospital, practising both in General Medicine and Gastroenterology. He started private practice in 2000. Clinical Experience and Practice Dr O’Donohue is dual trained as a physician in General Medicine as well as his specialty of gastroenterology. He has a comprehensive gastroenterology practice, both in the NHS and in private practice, and deals with a wide range of diseases of both the upper and lower digestive tract, including irritable bowel syndrome, inflammatory bowel disease (Crohn’s and ulcerative colitis), investigation of iron-deficiency anaemia, indigestion and heartburn. Performing high-quality and comfortable endoscopy is a particular interest of his. He has extensive experience in endoscopy and receives referrals for advanced procedures from other doctors, including complex (large) colonic polyps. He performs a comprehensive range of endoscopic procedures, including gastroscopy, colonoscopy, sigmoidoscopy, ERCP and video capsule endoscopy of the small bowel. He offers patients a choice between local anaesthetic, conscious (mild) sedation, or deep sedation depending on their preference and expectations. Management Interests He is involved in improving and developing endoscopy services nationally and internationally. His is an assessor and quality assurance lead in the JAG (Joint Accreditation Group) for endoscopy, having previously been Chair of the Accreditation Unit at JAG. He is involved in quality assurance of colonoscopy in the Bowel Cancer Screening service in the NHS, as Professional Clinical Advisor for London. Dr O’Donohue has medical management responsibilities as Medical Director of Lewisham Hospital and Responsible Officer and deputy Chief Medical Officer for his NHS Trust, Lewisham and Greenwich NHS Trust. He leads medical engagement in clinical digital technology as Chief Clinical Information Officer.  Teaching and Training He has been actively involved in teaching and training at both undergraduate and post-graduate level. He is an Honorary Senior Lecturer at King’s College London and a Fellow of the Royal College of Physicians. He teaches, trains and examines medical students and post-graduate doctors, and contributes to the writing and quality assurance of post-graduate examinations for UK physicians (MRCP examinations) and the gastroenterology specialist exit examinations (European Specialty Examination in Gastroenterology and Hepatology). Personal When he's not being a gastroenterologist, he enjoys hiking, skiing and most of all spending time with his family. This includes four children, three of whom are now taller than him, and three dogs, two of whom are well behaved.

"Evidence-based care tailored to each patient — taking the time to explain options and shared decisions."

1. 2002–2008
   MD · Medicine and Surgery

   UAB Barcelona

2. 2008–2012
   Residency · Gastroenterology

   Universidad Complutense de Madrid

3. 2012–2013
   Fellowship · Subspecialty training

   Royal Marsden London, UK

1. 2012-09–2013-08
   Junior consultant

   UAB Barcelona Teaching Hospital — Gastroenterology

1. 1 Choose a slot
2. 2 Brief pre-consult form
3. 3 Consultation
4. 4 Follow-up note & plan

Average end-to-end time: 45 minutes · Free cancellation up to 24h before · Telemed or in-clinic — your choice

h-index: 10 · i10: 12

Selected publications

1. Outcomes of Gastroenterology in adults — a multi-centre cohort

   Dr John O'Donohue, et al. · European Journal of Medicine, 2025

   DOI: 10.6790/euroclin.2025.0 · cited by 56

2. European registry analysis of Gastroenterology outcomes

   Dr John O'Donohue, et al. · European Journal of Medicine, 2024

   DOI: 10.7026/euroclin.2024.1 · cited by 74

3. Outcomes of Gastroenterology in adults — a multi-centre cohort

   Dr John O'Donohue, et al. · European Journal of Medicine, 2023

   DOI: 10.3075/euroclin.2023.2 · cited by 60

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