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Christopher Chan: Consultant Gastrointestinal Surgeon, London

Consultant Gastrointestinal Surgeon, London: Christopher Chan
Consultant Gastrointestinal Surgeon, London: Christopher Chan

A Harley Street based gastrointestinal surgeon with a specialist expertise in the treatment of conditions affecting the lower gastrointestinal tract, including colorectal cancer, Crohn's disease, ulcerative colitis and intestinal failure.

Mr Christopher Chan is Senior Lecturer/Consultant General and Colorectal Surgeon at Barts and The London NHS Trust.  He offers private investigation and treatment of gastrointestinal problems at The Harley Street Clinic and The Princess Grace Hospital in London's renowned medical district, and at BUPA Cromwell Hospital in South Kensington.

A highly experienced gastrointestinal surgeon in London

Following his graduation from the United Medical and Dental School of Guy's and St Thomas's Hospital, London in 1991, Mr Chan undertook his surgical training in Cambridge and London, going on to complete sub-specialist colorectal training fellowships in Sydney, Paris and at St Mark's Hospital, Harrow.

A skilled open and laparoscopic (keyhole) surgeon with extensive experience in the field of gastrointestinal surgery, Mr Chan's particular expertise lies in the treatment of complex conditions affecting the bowel.  He is actively involved in the development of innovative new  techniques to treat such conditions, and is regularly invited to speak at national and international conferences.

Gastrointestinal conditions treated by Christopher Chan

Mr Chan offers investigation and treatment for a range of conditions affecting the lower gastrointestinal tract, including:

  • Bowel cancer
  • Bowel polyps
  • Crohn's disease
  • Ulcerative colitis
  • Diverticular disease
  • Intestinal failure
  • Haemorrhoids
  • Complex anal fissures and fistulae
  • Chronic constipation
  • Faecal incontinence

Expert treatment of inflammatory bowel disease in London

Inflammatory bowel disease (IBD) is an umbrella term used to describe certain chronic diseases that cause inflammation of the gastrointestinal tract.  It is most commonly applied to Crohn's disease and ulcerative colitis. 

The causes of IBD are not fully understood, but are thought to include a genetic predisposition and/or a disruption to the body's immune system causing it to attack the healthy tissue of the gut.  Symptoms, including abdominal pain, bloody diarrhoea, weight loss and fatigue may be periodic, with severe flare-ups followed by periods of remission.  Many patients with IBD find that their symptoms can be controlled with medication, however for approximately 20% of people with ulcerative colitis and 60-75% of people with Crohn's disease, surgical treatment and management is necessary.

Mr Chan is lead surgeon for IBD at Barts and the London NHS Trust and offers expert diagnosis, treatment and management of the condition using the most up-to-date medical and surgical techniques, including capsule endoscopy and biological antibody agents.

Investigation of irritable bowel syndrome

Irritable bowel syndrome (IBS) is the most commonly diagnosed gastrointestinal condition in the UK, affecting up to 20% of the population.  Symptoms include diarrhoea, constipation, indigestion and nausea, but not weight loss or bloody stools which require urgent separate investigation.  IBS itself does not cause any detectable abnormalities to the digestive system, but diagnostic tests such as blood tests, stool tests, gastroscopy, colonoscopy and capsule endoscopy can help rule out intestinal disorders with similar symptoms, including inflammatory bowel disease, coeliac disease and colon cancer.


GMC Number:               3563027                     Check this doctor's GMC registration

Date of registration:   01 August 1991


Accreditation and admitting rights at private hospitals

Mr. Cristopher Chan is an accredited consultant for the UK's leading private healthcare providers and private hospitals, including HCA Hospitals.

HCA admitting rights


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Contact details

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Mr Christopher LH Chan

The Harley Street Clinic, 84 Harley Street, London, W1G 7HW

Tel: 0207 034 8272

Fax: 0207 034 8274 

Email: christopherlhchan@yahoo.co.uk
Website: www.theharleystreetclinic.com   www.londongiassociates.com 



Treatments and investigations offered

  • Gastroscopy
  • Capsule endoscopy
  • Colonoscopy
  • Flexible sigmoidoscopy
  • Surgical treatment of Crohn’s disease
  • Surgical treatment of ulcerative colitis
  • Colorectal surgery
  • Haemorrhoid surgery

Qualifications and memberships


  •  BSc (1st Class honours) 
  • PhD 
  • FRCS (Eng)
  • FRCS (Gen Surg)




Places of work

NHS Consultancy

Barts and The London NHS Trust


Private Practice

The Harley Street Clinic


The Princess Grace Hospital


Bupa Cromwell Hospital


The London Gastrointestinal Associates