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General enquiries:
+44 (0)207 935 4444
Book an appointment:
+44 (0)207 616 7693
Self-pay enquiry:
+44 (0)203 219 3315
The London Clinic

Specialties and sub-specialties

Inflammatory bowel disease (Crohn's disease and ulcerative colitis)
Irritable bowel syndrome / functional gut disorders
Reflux and dyspepsia
Endoscopy (gastroscopy and colonoscopy)
Coeliac disease

Professional profile

Dr Irvingisa Consultant Gastroenterologist with a specialist interest in inflammatory bowel disease (Crohn's disease and ulcerative colitis), functional gut disorders (for example, irritable bowel syndrome) and endoscopy, including gastroscopy and colonoscopy.
Heis actively involved in research in IBD and functional gut disorders andis regularly invited to lecture both nationally and internationally.
He was responsible for introducing the low FODMAP diet to the UK after returning from Australia wherehe worked with the people who devised it.
Dr Irvingis on the IBD committee of the British Society of Gastroenterology and sit on several editorial boards. His private practice is based at The London Clinic, as part of London Digestive Health, a group of 6 teaching hospital gastroenterologists who work together to provide high quality care in gastroenterology and endoscopy.
HisNHS practice is at Guy's and St Thomas' Hospital wherehe is the lead for endoscopy training.
Heis happy to see people with any gastrointestinal symptoms.

Clinical interests

  • Inflammatory bowel disease (Crohn's disease and ulcerative colitis)

Current posts

  • Consultant Gastroenterologist
    Guy's and St Thomas' NHS Foundation Trust

Medical training

Year qualified 1995
  • Cambridge University (Gonville and Caius College) 1992
  • The London Hospital 1995


A nurse with a patient

Facilitating acute admissions into The London Clinic whilst maintaining the highest levels of safety and care, supported by a consultant on-call rota.

Concierge service

Chauffeur loading suitcases into a luxury car

We can support our patients with travel, hotel accommodation, London tours, plus theatre and restaurant reservations.

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Main numbers

Concierge service: +44 (0) 203 219 3323 International office: +44 (0) 203 219 3266 Invoice and payment enquiries: +44 (0) 207 616 7708 

Your call may be recorded for training and monitoring purposes.

Medical service numbers

Breast services appointments: +44 (0) 207 616 7653 Diagnostics appointments: +44 (0) 207 616 7653 Endoscopy appointments: +44 (0) 207 616 7760 Eye centre appointments: +44 (0) 207 616 7768 Haematology appointments: +44 (0) 207 535 5503 Kidney services appointments: +44 (0) 207 224 5234 Liver services appointments: +44 (0) 207 616 7719 Physiotherapy appointments: +44 (0) 207 616 7651 Radiology appointments: +44 (0) 207 616 7653

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