Dr Gehanjali Amarasinghe is an experienced Consultant Gastroenterologist with an NHS practice at St Marks, The National Bowel Hospital, in London.

She specialises in neuro-gastroenterology and motility, with a wealth of experience managing patients with irritable bowel syndrome, heartburn and reflux disease, dyspepsia, oesophageal dysmotility and swallowing difficulties, diarrhoea, constipation and evacuatory disorders. Patients always comment on her caring and holistic approach to healthcare, giving them time to discuss their symptoms and concerns.

She leads the upper GI Physiology unit, is a member of the pelvic floor multidisciplinary team and regularly manages inpatients with general gastroenterology and nutrition conditions at St Marks Hospital. She is a skilled JAG accredited endoscopist, with regular upper and lower GI diagnostic and therapeutic endoscopy lists.

She obtained her medical degree at Southampton University and completed her specialist training in gastroenterology and general internal medicine with the London Deanery at leading London training hospitals.

Her subspecialist interest in neuro-gastroenterology and motility developed in the Wingate Institute of Neuro-gastroenterology at Queen Mary University of London, where she was awarded her PhD on the topic of oesophageal pain. She is actively involved in research and is a committee member of the Neuro-gastroenterology and Motility section of the British Society of Gastroenterology.

She is the training lead and college tutor for gastroenterology at London Northwest University Healthcare NHS Trust. She is also the gastroenterology module lead for medical students from Imperial College School of Medicine at London Northwest University Healthcare NHS Trust.