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Dr John Meenan

Dr John Meenan


Consultant gastroenterologist

Specialises in gastroenterology including Irritable Bowel Syndrome (IBS), troublesome bowels, bowel cancer risk and oesophageal acid reflux. 


Dr John Meenan is a consultant gastroenterologist at St Thomas’ hospital. After qualifying with honours from the Royal College of Surgeons, Ireland in 1986, he received two doctorates, a PhD in Immunology from the University of Amsterdam and an MD from Trinity College, Dublin in Biochemistry.

Dr John Meenan has received fellowships from the Royal College of Physicians of England, the Royal College of Physicians of Ireland and the Licentiate of Royal College of Surgeons in Ireland

John’s endoscopy results are independently audited every six months and have always been consistently above national standards. John has twice been awarded the prestigious Teachers Award by the American Endoscopy Society (ASGE) in 2007 and 2013.


  • Irritable bowel syndrome (IBS).
  • Bloating/gas.
  • Troublesome bowels.
  • Stomach pain.
  • Passing blood.
  • Bowel cancer risk.
  • Oesophageal acid-reflux.

Treatments/ procedures

  • Colonoscopy.
  • Endoscopy.
  • Endoscopic ultrasound (EUS).

Special/ research interests

Dr John Meenan has attachments to many international centres in Japan, France and Germany as well as attending and presenting at international conferences and medical summits.

He has published research papers and text-books on topics including the immunology of IBD, large bowel folate metabolism and endoscopic ultrasound. He was two-times awarded a prestigious “Teachers” award by the American Endoscopy Society (ASGE) in 2007 and again in 2014.

Membership of professional bodies

  • British Society Gastroenterology.
  • Chairman of the UK/Ireland EUS Users Group.
  • International Committee of the American Society for Gastrointestinal Endoscopy (ASGE).

Practice locations

St Thomas’ hospital.