Dr John Martin

Dr John Martin

Gastroenterology 03336920

  • Bupa Platinum consultant
  • Fee assured
  • Open Referral network
  • Accredited endoscopist
Bupa Platinum consultant
Fee assured
Open Referral network
Accredited endoscopist

Specialises in

  • Endoscopy
  • Inflammatory bowel disease

Bupa specialist

  • Accredited endoscopist


  • Face-to-face consultations
  • Video and telephone consultations

About me

Qualified in 1990 from Cambridge University and King's College Hospital, London. Trained in North West Thames region and appointed as consultant in gastroenterology and general internal medicine in 2002. Currently consultant gastroenterologist at Imperial College Healthcare NHS Trust, with a major interest in colorectal cancer screening, colonoscopy and disorders of the lower GI tract. Director of West London Bowel Cancer Screening Centre and accredited colonoscopist and colonoscopy assessor within the National Bowel Cancer Screening Programme. Colonoscopy teaching faculty at St Georges National Endoscopy Training Centre. Director of West London Capsule Endoscopy.

Areas of interest

Colon Cancer Screening and Diagnosis
Rectal Bleeding
Diarrhoea and Constipation
Abdominal Pain
Inflammatory Bowel Disease
Irritable Bowel Syndrome
Diagnostic Colonoscopy
Advanced therapeutic colonoscopy
Upper GI endoscopy
Capsule Endoscopy

Medical secretaries

Anaesthetists worked with

About me
My qualifications & training
My private practice
Consultant's practices
Information for healthcare professionals

Information for healthcare professionals (Bupa patients only, last 12 months)

Procedures completed

  • X3510

    IV sedation administered by operator - (>50)

    Cromwell Hospital (>50) OneWelbeck (5-50)

  • H2002

    Diagnostic colonoscopy, includes forceps biopsy of colon and ileum - (>50)

    Cromwell Hospital (5-50) OneWelbeck (5-50)

  • H2003

    Therapeutic colonoscopy with snare loop biopsy or excision of lesion - (>50)

    Cromwell Hospital (5-50) OneWelbeck (5-50)

  • G6500

    Diagnostic oesophago-gastro-duodenoscopy (OGD) includes forceps biopsy, biopsy urease test and dye spray - (5-50)

    Cromwell Hospital (5-50) OneWelbeck (5-50)

  • G8080

    Small bowel capsule endoscopy (including interpretation and evaluation) - (5-50)

    OneWelbeck (5-50) Cromwell Hospital (1-5)

  • H2502

    Diagnostic flexible sigmoidoscopy (including forceps biopsy and proctoscopy) - (5-50)

    OneWelbeck (5-50) Cromwell Hospital (5-50)

  • H2350

    Endoscopic mucosal resection (EMR) of colorectal polyp - (1-5)

    Cromwell Hospital (1-5)

  • Show All (9 )...
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