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Gastroenterologist Ingvar Bjarnason, Private Clinic Treatment, Self Pay Patients

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Professor Ingvar Bjarnason, Consultant Gastroenterologist

Specialising in:

All aspects of gastroenterology  including endoscopy

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Specialist Details
Full name

Prof. Ingvar Bjarnason




Consultant Gastroenterologist

Ingvar Bjarnason


Site specialisation

General gastroenterology, endoscopy

Site specialisation 2
Clinical interests

All aspects of gastroenterology  including endoscopy

Background Information

Practicing at King's College, London Bridge Hospital and the Cromwell, Professor Ingvar Bjarnason has been recognised as one of the top gastroenterologists in the UK. 
Internationally known for integrating research with clinical work, he brings over 25 years experience to his position as a world leader in the treatment of inflammatory bowel diseases (such as ulcerative colitis and Crohn's disease), the investigation and treatment of small bowel diseases and many other aspects of gastrointestinal disease. 
As leader of the hollow organ gastroenterology services at King's College Hospital, London and the author of over 250 peer reviewed clinical papers, Professor Bjarnason delivers the highest quality care for patients, taking a holistic approach to their diagnosis and treatment, all backed up with his own research as published in the UK's top medical journals.

Languages spoken

English, Icelandic

Regular Cromwell clinics


Clinic days

Mon: ad hocTue: ad hocWed: ad hocThurs: ad hocFri: ad hocSat: am

Appointments telephone number

020 7460 5700

Additional Career Information
Year qualified


NHS hospitals

King's College

Research interests

Intestinal inflammation and permeability, NSAIDs, IBD, IBS

Key published papers

'Prevalence and mechanism of nonsteroidal anti-inflammatory drug-induced clinical relapse in patients with inflammatory bowel disease.' Takeuchi K, Smale S, Premchand P, Maiden L, Sherwood R, Thjodleifsson B, Bjornsson E, Bjarnason I.  Clin Gastroenterol Hepatol. 2006 Feb;4(:196-202.) 'A quantitative analysis of NSAID-induced small bowel pathology by capsule enteroscopy.' Maiden L, Thjodleifsson B, Theodors A, Gonzalez J, Bjarnason I. Gastroenterology. 2005;128:1172-8. 'Leukocyte adsorptive apheresis for the treatment of active ulcerative colitis: a prospective, uncontrolled, pilot study.' Hanai H, Watanabe F, Takeuchi K, Iida T, Yamada M, Iwaoka Y, Saniabadi A, Matsushita I, Sato Y, Tozawa K, Arai H, Furuta T, Sugimoto K, Bjarnason I. Clin Gastroenterol Hepatol. 2003;1:28-35. 'Subclinical intestinal inflammation and sacroiliac changes in relatives of patients with ankylosing spondylitis.' Bjarnason I, Helgason KO, Geirsson AJ, Sigthorsson G, Reynisdottir I, Gudbjartsson D, Einarsdottir AS, Sherwood R, Kristjansson K, Kjartansson O, Thjodleifsson B. Gastroenterology. 2003;125:1598-605. 'Subclinical intestinal inflammation: an inherited abnormality in Crohn's disease relatives?' Thjodleifsson B, Sigthorsson G, Cariglia N, Reynisdottir I, Gudbjartsson DF, Kristjansson K, Meddings JB, Gudnason V, Wandall JH, Andersen LP, Sherwood R, Kjeld M, Oddsson E, Gudjonsson H, Bjarnason I. Gastroenterology. 2003;124:1728-37


Media coverage

Our health professionals regularly contribute to hospital publications, as well as national newspaper articles and television coverage.

Investigation and treatment of IBS Bupa Cromwell Hospital MEDIscene magazine Issue 2