Professor Martyn Caplin and Dr Christos Toumpanakis

Consultant Gastroenterologist


Pioneering gastroenterologists and neuroendocrine tumour specialists, with a national and international reputation
Professor Caplin has published over 150 research papers, written multiple book chapters and co-authored two books on neuroendocrine tumours. He regularly lectures both nationally and internationally, as well as being a leading authority for pharmaceutical company advisory boards.

From 2007-2012, he was the NHS clinical lead for the National Library for Health, under the auspices of NICE, for evidence-based practice in gastroenterology and liver diseases.

Professor Caplin currently chairs the European Neuroendocrine Tumour Society.
He is the immediate past Chairman of the National Cancer Research Institute Neuroendocrine Tumour Committee, and is immediate past Chairman of the UK and Ireland Neuroendocrine Tumour Society.
In 2013, Professor Caplin was awarded a “Lifetime Achievement Award” for his work nationally and internationally for patients with neuroendocrine tumours and his leading research into these tumours.

Dr Christos Toumpanakis is a Consultant in Gastroenterology & Neuroendocrine Tumours in the Neuroendocrine Tumour (NET) Unit ' ENETS Centre of Excellence of Royal Free Hospital, London, UK.

He is a co-Author of UK & Ireland NET Guidelines and a member of the Advisory Board of the 'UK NET patients' foundation'. His main interests include novel biomarkers and molecular imaging, mesenteric fibrosis, Peptide Receptor Radionuclide Therapy and carcinoid heart disease.

Professional background


Professor Martyn Caplin is Professor of Gastroenterology and Tumour Neuroendocrinology at the Royal Free Hospital and University College London.
He also leads the NHS Royal Free Hospital European Neuroendocrine Tumour Centre of Excellence.

He has a special interest in upper and lower gastrointestinal endoscopy, peptic ulcer disease, IBS, coeliac disease and inflammatory bowel disease. He prides himself on taking a sensitive, pragmatic approach, making sure his patients understand every option available, and that he has a clear plan of action to achieve the best possible result.

Dr Christos Toumpanakis is an Honorary Senior Lecturer at University College London. He graduated from Medical School-University of Athens in 1994, obtained his Specialty Title in Gastroenterology & Hepatology in 2004, and his PhD from University of Athens in 2007. He has been involved in the area of NETs since 2000.
He has presented in several National & International Conferences, published many original papers and Reviews, and is considered as one of the leading UK experts in NETs.

Services provided to HCA


Collectively, these doctors provide medical advisory services for HCA's The Wellington Hospital. In their role, they lead interactions with hospital medical staff and the hospital leadership team to assist the hospital by providing medical advice and promote high quality, cost effective care.

They contribute to the strategy, policies and decision making regarding neuroendocrine tumours treatment and advises HCA to ensure that care provided within the facility is appropriate and efficient. They also advise on initiatives to drive clinical standards by providing professional advice on clinical governance matters and ensuring the adoption of those by colleagues in the gastroenterology area.

In addition, they work with GPs, consultant colleagues, and patients nationally and internationally to educate and advise on relevant clinical updates to treatments in neuroendocrine tumours available in the facility. Furthermore, they advise on the accuracy of literature that may be published regarding relevant services. They also advise on how to make the patient referral smooth to reduce stress and anxiety for patients.

Professor Caplin has establishment of a multidisciplinary Neuroendocrine Tumour Unit for HCA, including the development and setting up of radionuclide targeted therapies. He also contributed to the hospital room design and logistical planning.

He has taken forward translational research concepts to enable development of new cancer diagnostic tests for patients at HCA Wellington. He is an Active member of the Gastroenterology User Group at HCA Wellington Hospital. Additionally, Professor Caplin regularly contributes to academic meetings there, and has proposed and is coordinating a “primary care preventative medicine programme” at that hospital.

HCA UK is charged by doctors in return for their expertise and advice, including on how to operate safe hospital facilities delivering complex care. All services provided under this agreement are charged to HCA UK. From January to December 2017, the total charge was £126,385 shared - Invoice together.

HCA requires the doctors that advise us to attest that if they also practice in the NHS that they are not compromising their NHS commitments.

The information disclosed on this page in accordance with the Private Healthcare Market Investigation Order 2014 is true and accurate to the best of HCA’s knowledge and belief.