Areas of Expertise
Dr Joel Mawdsley performs a range of treatments, including:
- Upper and lower GI endoscopy
Some of the common conditions he treats are:
- Inflammatory bowel disease
- Irritable bowel syndrome
- Indigestion and reflux
- Abdominal pain
- Change in bowel habit
- Gastric and oesophageal cancer
- Colorectal cancer
Career Highlights
Dr Joel Mawdsley, BA (CANTAB), MBBS, MRCP, MD, is a consultant gastroenterologist at Guys and St Thomas’ NHS Trust.
Dr Mawdsley undertook his pre-clincal studies at Queens’ College, Cambridge. He graduated with a first class honours degree, becoming a foundation scholar and winning the prestigious Max Bull Prize for Medicine. For his clinical studies he moved to Bart’s and the Royal London medical school where he graduated with distinction in clinical pharmacology and merits in clinical medicine and pharmacology.
As a specialist registrar, he trained on the north west Thames gastroenterology rotation spending periods of training at St Mary’s Hospital, Charing Cross and Hammersmith Hospital, St Mark’s hospital and Chelsea and Westminster Hospital. He returned to the Royal London Hospital between 2003-05 as a clinical research fellow. Here, he completed a Doctorate of Medicine on the role of stress and psychoneuroimmunology in inflammatory bowel disease, publishing several high impact papers on the subject.
In 2007, he took up a consultant’s position at the West Middlesex University Hospital where he was based for 10 years. During this time was clinical lead for Inflammatory Bowel Disease and training lead for endoscopy. In 2017, he moved to his current post as a gastroenterologist with a special interest in IBD and is joint clinical lead for the IBD unit.
Get to know Dr Mawdsley…

Being part of OneWelbeck will provide the unique opportunity to provide a truly specialist-led, first-class experience for our patients which is always the focus of my clinical care.
Dr Joel Mawdsley
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What encouraged you to join the OneWelbeck team?
I was impressed by the attitude of the team in always placing patients at the heart of everything. I really believe that Welbeck Health offers the opportunity to deliver a first class gastroenterology service for patients in central London.
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What keeps you busy outside of work?
When not working, I like to spend time with his family. I also enjoy running and skiing and I’m very slowly attempting to learn to play the piano.