Dr John Martin
Gastroenterology
GMC: 3336920
Dr John Martin is a highly-experienced gastroenterologist and endoscopist based in London and holds an NHS Consultant post at Imperial College (ICL). He is an expert in colorectal cancer screening, therapeutic and diagnostic colonoscopy and has 25 years' experience of managing all aspects of gastroenterology including abdominal pain or discomfort, reflux disease, diarrhoea and constipation, rectal bleeding, irritable bowel syndrome, Crohn’s disease and ulcerative colitis.
Graduated from Cambridge University and King’s College Hospital, London in 1990, Dr Martin completed his gastroenterology training within North West London. In 2002, he was awarded an MD from the University of London in bowel cancer screening and became a consultant at Chelsea and Westminster Hospital before joining Charing Cross Hospital in 2006. Dr Martin refined his skills in colonoscopy to ensure they are always safe, high-quality and comfortable for his patients.
Dr Martin teaches colonoscopy both within the NHS Trust and also at national screening centres. He is a bowel cancer screening accredited colonoscopist and an examiner for BCSP colonoscopy accreditation. He has authored numerous peer reviewed publications.
Dr Martin is director of the West London Bowel Cancer Screening Centre; he is the national advisor to Public Health England on endoscopy within the Bowel Cancer screening service and chairs the national advisory committee on quality and safety of endoscopy within screening. He forms an integral part of numerous other professional bodies and has been widely published in peer-reviewed journals.
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What are the most common causes of rectal bleeding, and when should I see a doctor about rectal bleeding? Find out in this article here as revered gastroenterologist and endoscopist, Dr John Martin, provides us with a comprehensive overview.
In one of today's articles, we take a close look at ulcerative colitis, as esteemed gastroenterologist and endoscopist, Dr John Martin, reveals the most common causes of the colon-affecting condition, and reveals how patient's can monitor the progression of the condition, and what they can expect in terms of the condition's progression over time.
Dr John Martin, an expert in colorectal cancer screening, explains how the coronavirus has affected your ability to receive a colorectal cancer screening test and clarifies how the tests are being resumed.
Have you been experiencing abdominal pain with diarrhoea, constipation, or both? These are the main symptoms of irritable bowel syndrome, a condition which can be managed with specialist help. Learn from Dr John Martin, a leading consultant gastroenterologist and expert in treating IBS, about what IBS is, its symptoms, how it's diagnosed and how it's treated.
Colon cancer is one of the more avoidable cancers. Dr John Martin explains what happens if you're diagnosed with colon cancer, but also highlights how the need for treatment can be eliminated through screening.
Bloating is a common sensation that many of us have experienced. While it's very rare that it's a sign of something serious, it's valuable to know when to see a specialist for advice. Dr John Martin, a gastroenterologist, explains the causes of bloating so that you know when to seek medical help.
G.G.
19/02/2025
Dr. Martin was very thorough and took the time to explain anything I asked.
U.L.
06/02/2025
Outstanding reception and really a good care for me. Thanks a lot
D.J.
05/02/2025
excellent
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