Mr Oliver Warren was awarded the iWantGreatCare certificate of excellence in 2024 for delivering outstanding care.

 

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Written by a private patient at The Lister Hospital
19th October 2022


Excellent, I genuinely can't think of a way that my experience could have been improved. Mr Warren and the team were excellent, the type of incision and techniques used for my surgery were the latest standard, resulting in quicker healing and smaller scars.

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Written by a private patient at OneWelbeck
19th October 2022


I was referred to Mr Warren by my GP and throughout the process from first consultation to my last he was extremely thorough and clear about the procedure and the outcomes. I would fully recommend him, and his professional and down to earth manner was hugely reassuring.

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Written by a private patient at The Lister Hospital
16th October 2022


I was referred to Mr Oliver Warren by gastroenterologist Prof. Julian Teare for umbilical hernia surgery. Mr Warren proved his excellent expertise, performing the surgery with complete success. At our first meeting he explained my condition, the procedure and the possible risks clearly and concisely and fully answered all my questions. He scheduled the surgery promptly, undertook it as scheduled and visited me both immediately before and after the procedure. He provided clear post-operative instructions and schedules a follow-up immediately which took place efficiently as arranged. He is a first-class surgeon, highly efficient, and a pleasure to deal with.

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Written by a private patient at The Lister Hospital
12th October 2022


My husband was referred to Mr Warren by his main care consultant, who appreciated that my husband has complicated medical issues. Mr Warren was very kind and compassionate in his care. And he took the time to convey the procedure to us in a clear and understanding manner. He gave us complete confidence. His surgical care was impeccable. A medical issue which had caused my husband such discomfort for years, was eradicated in one day. We cannot thank Mr Warren enough. He has a very supportive team, in Gabriella and Gemma. And his Anaesthetist is absolutely second to none! Mr Warren radiates positivity and professionalism. And he smiles a lot!

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Written by a private patient at The Lister Hospital
30th September 2022


I had an umbilical hernia, as a result of the separation of my abdominal muscles (diastases) post pregnancies. Dr Warren was recommended to me by a friend and once I saw him, I had no doubt that he was an expert doctor in his field, experienced and extremely efficient. Together with his team, he presented the best approach to fix my hernia and reconstruct my abdominal wall, in comparison to all the other doctors that I saw. I could not recommend him enough. I am extremely grateful for the treatment I received, from the start to finish. It was a pleasure to meet and be treated by Dr Warren.

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Profile

Oliver is a Consultant Colorectal, Intestinal and Hernia Surgeon at Chelsea and Westminster Hospital, The London Clinic and The Lister Hospital. He has a high-volume practice in coloproctology and is a JAG accredited colonoscopist. He has an interest in hernias, including complex abdominal wall reconstruction. He performs over 50 colorectal resections per year, the vast majority using 'keyhole' surgery.

Prior to becoming a consultant surgeon he undertook colorectal surgery fellowships at St. Mark's Hospital, London and the Royal Prince Alfred Hospital, Sydney. He was a visiting fellow at the Cleveland Clinic, USA.

Oliver is an Honorary Senior Lecturer at Imperial College London and has written numerous scientific papers and book chapters on medical leadership, patient safety and surgical education. He is the co-author of the book 'Going into Hospital: A guide for patients, families and carers'.