
Professor Ailsa Hart
Consultant Gastroenterologist
About Ailsa Hart
Professor Ailsa Hart is a Consultant Gastroenterologist at St Mark’s Hospital and Dean of St Mark’s Hospital Academic Institute, London, UK. She is a nationally and internationally respected clinician in the field of inflammatory bowel disease. She has designed and delivered the IBD clinical service and the research agenda at St Mark’s Hospital over the last 15 years. Her areas of expertise encompass all aspects of managing inflammatory bowel disease.
“I strive to achieve the best management of inflammatory bowel disease for each individual patient and endeavour to personalise care for every patient I see” – Professor Ailsa Hart
Professor Ailsa Hart studied medicine at Oxford University and was awarded a First-Class Honours Degree. She achieved her PhD with Imperial College London, funded by a Wellcome Trust Fellowship, and in 2016, she achieved academic promotion at Imperial College London, UK, and is now Professor of Practice. She is also Honorary Skou Professor at the University of Aarhus in Denmark. She has mentored and trained many gastroenterologists, who are now engaged in IBD management nationally and internationally. Together with many of them, she has published 2 books and over 280 papers, reviews and book chapters.
Professor Hart is currently on the Governing Board of the European Crohn’s and Colitis Organisation (ECCO) as Scientific Officer and was past Treasurer and member of the Clinical Committee of ECCO. She is also on the IBD Clinical Research Group Committee for the British Society of Gastroenterology (BSG) and past Chair of the Gut Microbiota for Health Group of the BSG. Professor Ailsa Hart is the UK Patient and Public Involvement Lead for Gastroenterology and is on the Research Committee for the Crohn’s and Colitis UK charity. She is a member of the International Organization for the Study of Inflammatory Bowel Disease (IOIBD).
Expertise
- Inflammatory Bowel Disease
- Irritable Bowel Syndrome
- Abdominal Pain
- Abdominal Bloating and Diarrhoea
Overview
- Age of patients seen
- 18+
- Languages spoken
- English
- Research highlights
She has published extensively in the field of inflammatory bowel disease. She has published over 280 papers and 2 books on the topic of inflammatory bowel disease. She has pioneered faecal microbiota transplantation, and has particular expertise in patients with perianal Crohn’s disease, ileo-anal pouch anastomoses and IBD cancer surveillance.
- Professional memberships
British Society of Gastroenterology
European Crohn’s and Colitis Organisation
American Gastroenterology Association
Royal College of Physicians
Consultations and services
Insurers covered
Tests & treatments
Conditions & symptoms
Locations
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Frequently asked questions
Yes, but only for certain services. Some consultations, assessments, and treatments can be booked directly, while others require a GP or specialist referral. Please check the relevant service page for guidance, and contact the centre if you’re unsure.
We aim to offer appointments as quickly as possible, and many services have same-day or next-day availability. Waiting times vary depending on the appointment type, specialty, and consultant availability, but our team will always offer the earliest suitable appointment.
Yes. You can arrange an appointment for a family member, or someone you care for, just let us know when you get in touch. We’ll need their details and consent to complete the booking, unless you're their legal guardian or have power of attorney.
Your first consultation includes a detailed discussion of your symptoms, medical history, and lifestyle factors, followed by a thorough examination. It’s helpful if you can bring the results of any previous investigations with you, as well as a list of your current medications. Come with a comfortably full bladder so you can provide a urine sample if requested.

