Dr Alissa Walsh



GMC number: 4670393

Practising since: 1999



Consultation times

  • By arrangement
  • Overview
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Dr Alissa Walsh (DPhil FRACP) is a Consultant Gastroenterologist at Nuffield Health, The Manor Hospital, Oxford and the Oxford University Hospitals NHS Trust. Dr Walsh has extensive international experience in clinical gastroenterology and endoscopy, including diagnostic and therapeutic gastroscopy and colonoscopy. She has also received training with the National Bowel Cancer Screening team. Dr Walsh has a sub-specialty interest in Inflammatory Bowel Disease (Crohn’s disease and ulcerative colitis). 

Dr Walsh completed her gastroenterology training in Australia and was awarded her consultancy from the Royal Australian College of Physicians in 2006. In 2007-2008 Alissa was a Clinical Fellow at the John Radcliffe Hospital. From 2008 Alissa was the Head of the Inflammatory Bowel Disease Unit at St Vincent’s Hospital in Sydney. In 2018 Alissa completed a PhD at the University of Oxford, focusing on Inflammatory Bowel Disease. She has subsequently become part of the Consultant Gastroenterology team at the John Radcliffe Hospital.

Dr Walsh is renowned for being a leader in her field and is a compassionate doctor who delivers the best quality of care for her patients. Her clinical and research interests focus on patient-reported outcomes, remote monitoring for chronic disease, disease activity indices and faecal transplantation. Digital management and wearables to investigate the role of stress and abdominal symptoms is one of her current projects, in collaboration with Mt Sinai Hospital in New York. Dr Walsh also has an interest in teaching and is an Associate Fellow at Green Templeton College, University of Oxford.

Dr Walsh is the cofounder and a current director of a medical charity, Crohn’s colitis Cure. She is also a member of the British Society of Gastroenterology and European Crohn’s and Colitis Organisation.  

Dr Walsh also offers virtual consultations through the Oxford Virtual Hospital.

Dr Alissa Walsh is a member of the Oxford Gut and Liver Group - https://www.oxfordgutandliver.co.uk/

Personal interests

Skiing, cycling, swimming

Treatments and tests offered by Dr Alissa Walsh at Nuffield Health

  • Colorectal screening
  • Polypectomy
  • Colonoscopy
  • Flexible sigmoidoscopy
  • Gastroscopy (or gastrointestinal (GI) endoscopy)
  • Diagnostic endoscopy
  • Therapeutic Endoscopy

Locations Dr Alissa Walsh works with


    Beech Road, Headington, Oxford, OX3 7RP

    01865 307777
    Overall rating

Related experience


Dr Walsh leads the TrueColours team at the Oxford University Hospitals Foundation Trust. TrueColours is a comprehensive web-based platform that enables careful monitoring of patients with chronic disease by collating patient reported outcomes such as symptoms and quality of life.  This platform has been a tremendous help during the Covid-19 pandemic, when telephone consultations have replaced many face-to-face appointments. 


  • British Society of Gastroenterology
  • European Crohn’s and Colitis Organisation

Other posts held

  • Consultant Gastroenterologist, Oxford University Hospitals Foundation Trust

Insurers Dr Alissa Walsh works with

Dr Alissa Walsh works with the following private medical insurance providers:

  • Aetna
  • Aviva Health
  • AXA Health
  • AXA - Global Healthcare
  • Benenden Health
  • Bupa
  • Bupa On Demand
  • Cigna
  • CS Healthcare
  • The Exeter Friendly
  • Freedom Health
  • Healix Healthcare
  • Health-on-Line
  • PHC
  • Simplyhealth
  • Vitality Health (Pru Health)
  • Westfield Health WPA
  • WPA


Dr Alissa Walsh does not hold a share or financial interest in this hospital, another Nuffield Health hospital or the company.

Dr Alissa Walsh does not have a share or financial interest in equipment used at this hospital or another Nuffield Health hospital.

Dr Alissa Walsh does not hold any paid advisory role(s) at this hospital or on behalf of Nuffield Health.