Should you choose to proceed with the National Obesity Surgery Centre you can be assured of the best possible service at all times.

Our team of leading surgeons reads like a who’s who of expertise in the weight loss sector. With clinics in every location in the UK staffed by uniquely qualified surgeons and first class health care professionals.

Dr John Mason MD, FRCP – Medical Director

Dr Mason is a Consultant Gastroenterologist at Trafford General Hospital (part of the Central Manchester University NHS Trust) where he is also Medical Director. With a personal series well in excess of 10,000 upper GI endoscopies, he was the ideal choice … Read more »

Mr David Hewin BSc, MB, ChB, MD, FRCS (Gen Surg)

Mr David Hewin is a consultant general surgeon in Gloucestershire specializing in laparoscopic (key-hole) surgery including surgical procedures for obesity. Having qualified in medicine from Bristol University, he trained in surgery both in the UK and abroad and is now… Read more »

Dr Purushothaman Premchand MBBS, MD, MRCP

Dr Premchand is a Consultant Gastroenterologist and is currently the Endoscopy Lead of Barking, Havering and Redbridge NHS Trust. The BHRT Gastroenterology Unit consists of ten gastroenterologists and ten surgeons and is a major centre for gastroenterology. He recently set… Read more »

Dr Hamish Duncan MD, FRCP, BSc (Hons), DTM&H

Dr Duncan is a Consultant Gastroenterologist at Queen Alexandra Hospital (Portsmouth). He qualified in medicine from Birmingham University in 1986. He was awarded his MD for his work on enteral nutrition. He is a member of the British Society of… Read more »

Mr Marcus Reddy Professor

Mr Reddy is a leading Consultant General Laparoscopic Upper GI and Bariatric Surgeon. He is fully accredited on the UK General Medical Council’s Specialist Register for general surgery with a nominated special interest in upper gastrointestinal and hepato-pancreato-biliary surgery. He is also a member of the committee overseeing the National bariatric Surgery in… Read more »

Mr Yashwant Koak MS, FRCS, MBChB, MDCH, MBA

Mr Koak is a Consultant General, Laparoscopic, Bariatric and Upper GI Surgeon who has performed in excess of 5000 operations. Mr Koak qualified in medicine from the University of Glasgow and did his Basic Surgical training at the Chelsea and… Read more »

Mr James Rink MB BChir, M Phil, FRCS (Eng)

Mr. Rink is a Consultant Surgeon and Clinical Lead for Upper-GI and Bariatric Surgery for the Shrewsbury and Telford Hospitals NHS Trust. Following his graduation from Cambridge University Medical School, Mr Rink worked in East Anglia, the South West and… Read more »

Mr Siba Senapati MBBS, MS, FRCS, FRCS (Gen Surg)

Mr Senapati is one of the leading Upper GI and Bariatric surgeons in the North West of England. He has been a consultant surgeon for 10 years. With his extensive surgical experience he has undertaken thousands of laparoscopic surgical procedures… Read more »

Mr Christopher Shearer Consultant General Surgeon

Mr Christopher Shearer is a Consultant General Surgeon with subspecialty interests in upper gastrointestinal, laparoscopic and weight loss surgery. His NHS practice is based at Forth Valley Royal Hospital. He is the Deputy Lead Clinician for the … Read more »








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National Obesity Surgery Centre

* All patient reviews on our website are based on that individual's experience and may vary from person to person.