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London Digestion is a Partnership of five consultants with specialty interests in gastrointestinal conditions whose practices are at these locations:

London Bridge Hospital

King Edward VII Hospital 

St Thomas Hospital
HCA at The Shard


Professor Jeremy Sanderson

Jeremy Sanderson is a Consultant Gastroenterologist at Guy’s and St. Thomas’ Hospitals where he was appointed in 1995.  He is Professor of Gastroenterology at Kings College London.

He qualified at Charing Cross Hospital, London in 1984 and undertook his postgraduate training in London and in Australia. Professor Sanderson has extensive experience and expertise in the management of upper and lower GI tract disease and in gastrointestinal endoscopy. His specialist expertise is in the management of inflammatory bowel disease (IBD), especially Crohn’s disease, and the irritable bowel syndrome and has particular expertise in diagnostic and therapeutic colonoscopy. 

He is a recognised opinion leader in the field of IBD and has published extensively in this area. He has a specific interest in the role of bacteria in Crohn’s disease, oral Crohn’s and tailoring the use of drug treatments to individual patients to maximise benefits and reduce risks. He is also interested in the interaction of diet and bacteria in IBS.

Clinic times:
Monday evenings

Dr Jason Dunn

Dr Jason Dunn is a Consultant Gastroenterologist at Guy’s and St Thomas’ Foundation Trust Hospitals. He studied at GKT medical school, graduating in 2000. He was awarded MRCP (London) in 2005 and appointed as a consultant in 2012.

He has a special interest in Barrett’s oesophagus, early Upper GI cancer and oesophageal endoscopic therapy. He is proficient in Endoscopic Mucosal Resection (EMR) and Radiofrequency Ablation (RFA) techniques. He is the Early Diagnosis Lead for the London Cancer Alliance (LCA) and has written guidelines for the management of Barrett’s oesophagus for the LCA.

Dr Dunn also has an interest in Nutrition, and he is the Nutrition Lead for the Guy’s Hospital site, specialising in parenteral nutrition in oncology/palliative care and PEG tube insertion

He was awarded a CRUK clinical fellowship at UCL and studied use of optical diagnostics and minimally invasive therapies for the treatment of Barrett’s oesophagus. He gained his PhD in 2011 and has presented his work at national and international meetings. His work on treatment of Barrett’s oesophagus with RFA, and the use of biomarkers to predict cancer progression, has won prizes. He has published in high impact factor journals and book chapters. He currently holds Honorary Senior Lecturer posts at Kings College London and Oslo University in the Institute of Medical Informatics.

Dr Dunn is a member of the British Society of Gastroenterology, the American Gastroenterological Association and the British Association for Parenteral and Enteral Nutrition.

Special Interests
Gastroenterologist; Bowel disease including inflammatory (IBD); Crohn’s Disease; ulcerative colitis; high-quality colonoscopy; Colon polyps; Lynch Syndrome; diarrhoea; abdominal pain; indigestion; dyspepsia; constipation; irritable bowel syndrome (IBS); Reflux; Barrett’s Oesophagus; HALO Radiofrequency Ablation; Endoscopic mucosal resection; Inlet patch; globus; Eosinophilic Oesophagitis; Trans Nasal Endoscopy; general gastroenterology; nutrition

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Clinic times:
Wednesdays afternoon/evenings
Friday mornings
Tuesday evenings ad hoc

Dr Phil Berry

Dr Philip Berry is a liver specialist with expertise in fatty liver disease, viral hepatitis, alcohol related liver disease, autoimmune disease, liver tumours, pancreatic tumours, and the treatment of gallstones. He performs advanced endoscopic procedures to remove stones from the bile duct and pancreatic duct where required, as well as bowel and stomach endoscopies. Philip has triple accreditation in hepatology, general gastroenterology and general medicine.

Philip studied in Bristol and obtained a higher degree at Kings College Hospital liver unit, where he undertook research into cirrhosis. He also worked in Royal Free and UCLH liver units.

Alongside clinical work, Philip has particular interests in patient safety, clinical governance and medical ethics. He has published over 50 articles and commentaries and has written on medical matters The Guardian newspaper and the British Medical Journal. He is departmental governance/patient safety lead at Guy’s & St Thomas’ Hospital and a specialist assessor for the General Medical Council.


Conditions treated:
Alongside common digestive complaints such as pain, bloating, diarrhoea and dyspepsia, Dr Berry has expertise in a wide range of liver and pancreatic conditions.

Liver disease: 
Conditions treated include fatty liver disease, alcohol related damage, viral hepatitis, autoimmune and hereditary conditions, as well as several forms of cancer.

Clinic Times:
Tuesdays afternoon/evenings

Gastrointestinal Surgeons

Mr Simon Atkinson

Mr Simon Atkinson BSc MS FRCS is Consultant Pancreaticobiliary, Upper Gastrointestinal and General Surgeon at London Bridge Hospital, Guys' & St Thomas' Hospitals and Kings College Hospital. He qualified from the Royal London Hospital in 1987 and trained in SE England and Australia. He was appointed as Consultant Surgeon to Guy's and St Thomas' Hospital in 1999 and then, in addition, to Kings College Hospital in 2007.

He has extensive experience in all aspects of general and gastrointestinal surgery including open and keyhole (laparoscopic) surgery for gallbladder, bile system, pancreas, duodenum, stomach, spleen and intestine. He has extensive experience in keyhole surgery for gallstone removal including for severe gallstone disease and for patients having already had surgery elsewhere. With a sub-specialty tertiary referral practice for major pancreatic surgery, he provides surgery for pancreatic cancer and other pancreatic conditions. His general surgical practice includes all aspects of surgery for hernias including keyhole surgery as well as skin and subcutaneous lesions and haemorrhoids. 

Clinic Times:
Tuesday mornings
Friday afternoon/evenings

Mr James A. Gossage

James Gossage BSc (Hons) MBBS MS FRCS is a Consultant General and Upper Gastrointestinal Surgeon at Guy’s Hospitals NHS Foundation Trust.  

His private practice is based at the London Bridge Hospital in London. Patients are also seen and treated privately at St Thomas’ Hospital and consultations sessions are held in central London and at the Sevenoaks Medical Centre in Kent.

Specialist Training
His specialist surgical training was based in leading London teaching hospitals and the South-East of England.  He was awarded a laparoscopic surgical fellowship and a HCA Foundation grant to study surgical techniques in the Professorial Unit in Adelaide, Australia. He also received a Royal College of Surgeons grant to study trauma surgery in South Africa. Recently, he has spent time in Japan training in robotic cancer surgery. 

Current Practice
At St Thomas’ Hospital he performs a high volume of complex procedures for cancer of the oesophagus and stomach. He also treats benign conditions of the oesophagus and carries out surgery for more common conditions including gallstones and hernias. He is part of national and international specialist groups to improve the quality and outcomes from surgery. 

Leadership Roles
He has been leading the Upper Gastrointestinal Service at St Thomas’ Hospital for the last 5 years. He was Chair of the Regional Cancer network and is currently National Lead for Oesophagogastric Cancer Surgery on the AUGIS (Association for Upper GI Surgeons) Council. 

Academic Profile
He has a strong academic background and was awarded a Hunterian Professorship from the Royal College of Surgeons for his research towards his higher degree. He is currently a Senior Lecturer at Kings College, London and an affiliated researcher with the Upper Gastrointestinal Research Unit at the Karolinska Institute, Sweden. He has published over 80 peer-reviewed articles on his specialist area, two book chapters and a textbook on surgery. 

Personal Profile
His outside interests include coaching hockey, golf and spending time with his


Clinic Times:
Monday evenings
Thursday evenings
Friday afternoons