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The London Clinic


  • 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, dignified, comfortable and accurate examination.

As a sub-specialist her career to date has driven this forward both nationally and internationally.

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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Current posts

  • Consultant Gastroenterologist/Specialist Endoscopist and Deputy Director Bowel Cancer Screening
    St Mark's Hospital
  • Chair Joint Advisory Group for Gastrointestinal Endoscopy (Since Jan 2017)
    Royal College of Physicians

Current teaching posts

  • Honorary Senior Lecturer
    Imperial College London

Medical training

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

Ages treated

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Clinic location

116 Harley Street
London W1G 7JL
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Clinic times

Thursday: Morning - endoscopy Afternoon - consultations


Main switchboard: +44 (0) 207 935 4444

Treatment enquiries: +44 (0) 207 616 7693Consultant appointments: +44 (0) 207 616 7693 Prices for self funding patients: +44 (0) 203 219 3315Physiotherapy appointments: +44 (0) 207 616 7651X-ray and scan appointments: +44 (0) 207 616 7653Invoice and payment enquiries: +44 (0) 207 616 7708

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