Dr Mary McStay

Dr Mary McStay

Gastroenterology, General (internal) medicine 04125903


  • Fee assured
  • Not in Open Referral network
  • Accredited endoscopist
Fee assured
Not in Open Referral network
Accredited endoscopist

Bupa specialist

  • Accredited endoscopist


  • Video and telephone consultations

About me

Dr Mary McStay qualified at the medical college of St Bartholomew's Hospital London in 1994. She completed her preclinical medical training at Cambridge University where she obtained an Honours degree in Pharmacology. Dr McStay completed her specialist training in Gastroenterology in London and spent two years in full time research at the Neuroendocrine Tumour Unit, Royal Free Hospital, London. She was awarded a Doctorate of Medicine degree in 2005.

In addition to clinical practice in general gastroenterology, she has a specialist interest in small bowel and colon capsule endoscopy and in the management of patients with neuroendocrine tumours. She leads the Neuroendocrine tumour service at ESNEFT and has been bowel cancer screening accredited colonoscopist since 2011.

Dr McStay was a Consultant Gastroenterologist at Southend Hospital from 2005 to 2011, and has been a Consultant Gastroenterologist at Colchester General Hospital since March 2011.

Areas of interest

Endoscopic procedures, inflammatory bowel disease, neuroendocrine tumours, gastro-oesophageal reflux disease, irritable bowel syndrome.

Medical secretaries

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

  • G6500

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

    Ramsay Oaks Hospital (5-50)

  • X3510

    IV sedation administered by operator - (5-50)

    Ramsay Oaks Hospital (5-50)

  • H2002

    Diagnostic colonoscopy, includes forceps biopsy of colon and ileum - (5-50)

    Ramsay Oaks Hospital (5-50)

  • 20365

    Follow-up out-patient consultation - remote - (1-5)

  • G8080

    Small bowel capsule endoscopy (including interpretation and evaluation) - (1-5)

    Ramsay Oaks Hospital (1-5)

  • H2003

    Therapeutic colonoscopy with snare loop biopsy or excision of lesion - (1-5)

    Ramsay Oaks Hospital (1-5)

  • H6260

    Proctoscopy (+/- biopsy) - (1-5)

    Ramsay Oaks Hospital (1-5)

  • Show All (10 )...
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