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

 

Reviews

 
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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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Written by a private patient at The Lister Hospital
27th September 2022


Mr Oliver Warren was recommended to me by another surgeon, as I had developed hernias along the incision from a previous surgery. He explained that I needed repair of a recurrent incisional abdominal hernia using the Component Separation Technique. Dr Warren encouraged me to lose weight, in order to give myself the best outcome from the operation. He also found another medical issue and helped me to solve that prior to my surgery. I managed to lose a lot of weight and the operation was successful. Dr Warren followed my progress and encouraged me all the way. The aftercare program was also successful. Dr Warren is very pleasant to talk to, and has vast knowledge in his field. I cannot recommend him enough.

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Written by a private patient at The Lister Hospital
27th September 2022


Mr Warren inspired total confidence from the outset and had an extremely engaging manner. He took the time to listen and explain things in an easily comprehensible manner. I felt that I was in the best possible hands at all times.

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Written by a private patient at The London Clinic
23rd August 2022


Mr Oliver Warren is an excellent surgeon. I had bowel cancer and he was recommended to me for colorectal surgery. Mr Warren was so supportive and his knowledge and attention to detail made me feel very calm before surgery. The aftercare program was also successful, and I would recommend him highly.

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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'.