Search our consultants’ directory

To book an appointment please call +44 (0)20 3311 7700 or email

Dr John Martin, Male

Consultant gastroenterologist 3336920
Photo of Dr John Martin Male


Dr John Martin was educated at Girton College, Cambridge and King’s College, London. He trained as a gastroenterologist within North West London and obtained an MD investigating novel methods for colorectal cancer screening. He was appointed as a consultant in 2002 and moved to Charing Cross Hospital in 2006.

He has a particular interest in screening for colorectal cancer and is Director of the West London Bowel Cancer Screening Centre, based at Charing Cross. He has a passion for colonoscopy and performs advanced polypectomy as well as teaching colonoscopy both within Imperial College Healthcare NHS Trust and also at National screening centres.

He is a bowel cancer screening accredited colonoscopist and an examiner for BCSP colonoscopy accreditation. He runs a general gastroenterology clinic, treating patients with all luminal gastroenterological conditions, although has a special interest in inflammatory bowel disease.

Special interests

  • Endoscopy
  • Luminal gastroenterology