Dr Sebastian Zeki

Gastroenterologist in London


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Dr Sebastian Zeki areas of expertise:

Professional statement

Dr Sebastian Zeki is a leading consultant gastroenterologist with over 20 years of experience. He is highly experienced in a wide range of gastroenterological conditions and treatments, with his areas of expertise including acid reflux, bloating, abdominal pain, cancer, food intolerance and colonoscopies.

Dr Zeki first graduated with an MBBS from University College London in 2001. He then went on to receive an MSc in Health Informatics from City, University of London and a PhD in Molecular Biology from Queen Mary University of London in 2013. He is also a member of the Royal College of Physicians.

Dr Zeki currently practices privately at London Bridge Hospital and HCA UK at the Shard. At London Bridge Hospital he specialises in both diagnostic gastroscopy and diagnostic colonoscopy. At HCA UK at The Shard, he offers treatments for all of the conditions mentioned above.

In addition to his clinical work, Dr Zeki is also a renowned medical educator. He served as a clinical lecturer at the University of Cambridge’s MRC Cancer Unit from 2013 to 2015. He currently serves as an honorary senior lecturer at both King’s College London and Barts Cancer Institute, London. 

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Patients comments

Dr Zeki has been excellent in diagnosing and advising on options for my Barrett’s Oesophagus. He is extremely professional, approachable and empathetic and I feel very privileged to have him overseeing my care.

Diseases, Medical Tests and Treatments


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