The London Clinic


  • Endoscopy
  • Gastroenterology

Sub specialties

  • Endoscopy
  • Bowel cancer screening (accredited bowel screener since 2007)
  • Detection and prevention of bowel cancer
  • Therapeutic colonoscopy
  • Diagnosis and management of luminal gastroenterology conditions
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  • Diagnosis and management of inflammatory bowel disease
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Professional profile

Dr Thomas-Gibson has a clinical, academic and research interest in making endoscopy and specifically colonoscopy a safe, dignifed, comfortable and accurate examination.
As a sub-specialist her career to date has driven this forward both nationally and internationally.
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Dr Thomas-Gibson works closely with a team of like-minded allied professionals who share the same ethos, providing a high level of continuity of care if other tests or treatments are necessary.
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Make an appointment

Current posts

  • Consultant Gastroenterologist and Endoscopy Lead
    St.Mark's and Northwick Park Hospital
  • Honorary Senior Lecturer
    Imperial College London

Medical training

Year qualified
  • St Mary's Hospital/Imperial College London

Ages treated


Make an appointment

Clinic location

116 Harley Street
London W1G 7JL
View map and location details

Clinic times

Thursday: Morning - endoscopy Afternoon - consultations


Karen Chambers
0844 858 1177
0844 858 1122