Dr Ian Johnston: Gastroenterology

Dr Ian Johnston


  • Fee assured

Specialises in

  • Endoscopy
  • Inflammatory bowel disease

About me

Dr Ian Johnston is a Consultant Gastroenterologist at St Mark's Hospital. His main clinical interests are Nutrition and Upper GI Physiology

Ian Johnston gained his medical degree from the University of Edinburgh in 2002. He moved to London to continue his medical training and was awarded membership of the Royal College of Physicians in 2005. He performed his Gastroenterology Specialty training in London working at St George’s, Hammersmith and St Mark’s Hospitals in addition to several District General Hospitals. He completed his training in 2014 and took up his substantive Consultant position at St Mark’s in January 2015.

He was awarded his MD by Imperial College London based on research into Bile Acid Diarrhoea. His work has been presented at National and International meetings at which it has been awarded prizes. As part of this research he set up and ran a drug trial, the results of which have been published in peer reviewed journals. He continues to contribute to Bile Acid Diarrhoea and IBD research.

His main clinical interests are Nutrition and Upper GI physiology, including Gastro-Oesophageal Reflux Disease. Other work includes the management of Inflammatory Bowel Disease and Functional GI disorders such as IBS. He performs upper and lower GI endoscopy.

Areas of interest

Gastro-oesophageal reflux disease (GORD); Inflammatory Bowel Disease (IBD); Irritable Bowel Syndrome (IBS); Bile Acid Diarrhoea

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