e-Consultation with Gastroenterologists

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Dr Nik Kamperidis is a leading consultant gastroenterologist in London who specialises in inflammatory bowel disease, endoscopy, colonoscopy, indigestion and irritable bowel syndrome. Dr Kamperidis graduated from the Aristotle University in Greece in 2003. He undertook his specialist training in London and Kent, and in Surrey and Sussex, as well as an advanced endoscopy fellowship at St Mark’s Hospital. Dr Kamperidis completed his postgraduate studies and was awarded an MSc degree and an MD (Res) from Barts and the London School of Medicine. His thesis Nutrient Effects in Inflammatory Bowel Disease has been presented at national and international conferences and his research is published in peer-reviewed journals. His current research focuses on treatment optimisation of novel therapies and the improvement in quality care for patients who have IBD.

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Dr Vinay Sehgal is a renowned consultant gastroenterologist and interventional endoscopist who sees patients at The London Clinic Consulting Rooms (Harley Street), The Riverside Clinic (West London) and University College Hospital London. Dr Sehgal passionately believes in spending time to better understand all of his patients needs and provides a holistic treatment plan for all of his patients. Dr Sehgal see patients with a variety of gastrointestinal disorders including irritable bowel syndrome, small intestinal bacterial overgrowth and functional dyspepsia. In addition he has a specialist interest in treating patients with Barrett's oesophagus including early non-invasive curative therapy, acid reflux, hiatal hernia, heartburn and laryngopharyngeal reflux (LPR), and numerous other important conditions that affect the upper GI tract. Dr Sehgal has led a team at UCLH that performed the world's first Cytosponge procedure to help risk assess patients who are overdue endoscopy for Barrett's oesophagus during the COVID-19 pandemic. Dr Sehgal has a particular expertise in artificial intelligence-based classification systems to improve the detection of early oesophageal cancer so that patients can be offered curative therapy. Dr Sehgal's other interests include the development of minimally invasive endoscopic techniques to treat early cancers of the upper gastrointestinal tract. He has published numerous original manuscripts and reviews in this field and regularly presents at international meetings. Dr Sehgal graduated from The University of Liverpool in 2007 and completed his specialist training in gastroenterology in North East London. Dr Sehgal completed his PhD at University College London where he developed a novel tumour model of oesophageal cancer used to help develop new treatments for patients with oesophageal cancer. Dr Sehgal is a member of faculty at the British Society of Gastroenterology and Endoscopy Training Committee for The Royal College of Physicians. He is actively involved in hands-training and numerous live endoscopy courses at University College London Hospitals NHS Foundation Trust. Dr Sehgal has a keen interest in research and supervises a research team, that investigates endoscopic techniques and procedures to ultimately streamline and improve the care given to patients. His research is focused on existing and novel endoscopic imaging technologies to help detect and treat early cancer of the gastrointestinal tract including the use of Artificial Intelligence (AI). His clinic at UCLH was the first centre in the world to adopt this technology with other centres following its lead. It ultimately helped improve the care we offer to such patients.

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Dr Mark Austin is an experienced consultant gastroenterologist based in Brighton, Hove and Haywards Heath. He is an expert in the investigation and management of gastrointestinal problems, including abdominal pain, inflammatory bowel syndrome (IBS), hiatal hernias and food intolerances. He also specialises in hepatology, caring for patients with liver disease, hepatitis and jaundice. Before working as a consultant, Dr Austin spent six years at the Liver Unit at Kings College Hospital treating patients who had undergone live transplantation. Here he also completed his research on the survival characteristics of patients with end-stage liver disease. Dr Austin is a very advanced interventional endoscopist, carrying out all variations on endoscopy, including colonoscopy, ERCP, endoscopic ultrasound (EUS) and gastroscopy. These allow Dr Austin to achieve a very close examination of the liver, gallbladder, bile ducts and digestive tract. Additional to being a consultant, he is also the Clinical Lead for endoscopy at his NHS posting. Dr Austin is very committed to putting his patients first, and most recently he has enabled a much improved referral pathway for rapid access and diagnosis for patients with lower gastrointestinal symptoms. Dr Mark Austin is keenly involved in teaching, acting as director for the annual South East endoscopy symposium, as well as taking time out of his busy schedule to train and teach endoscopy skills to other doctors in both the UK and overseas.

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Dr Edward John Despott is a consultant gastroenterologist and interventional endoscopist based in London, practicing privately at The Wellington Hospital and the Royal Free Hospital. He is the clinical lead of endoscopy services at the Royal Free Hospital's Unit for Endoscopy, where he also proudly works for the NHS. Alongside endoscopy (keyhole surgery), his specialisms include double-balloon enteroscopy, colonoscopy and gastroscopy. Furthermore, he has expertise in capsule endoscopy and polyps. Dr Despott has significantly contributed to the Royal Free Unit for Endoscopy's renowned reputation of being one of the only few centres in London and the UK to offer a small bowel endoscopy service that offers top specialist facilities and treatments.       Dr Despott´s expertise, which also lies in therapeutic colonoscopy, transnasal upper GI endoscopy, inflammatory bowel disease and its' related complications, is also reflected in his clinical academic work as Honorary Associate professor at University College London's Institute of Liver and Digestive Health. He leads his students in the essential areas of endoscopy service delivery, education and training. Dr Despott is highly qualified, reflecting his impressive reputation as a top specialist. He graduated from the University of Malta in 1999, completed his general professional training there and then moved to the UK to pursue higher specialist training in gastroenterology and general (internal) medicine within the North East Thames rotation of the London Deanery School of Medicine. He also underwent advanced endoscopy training at the Wolfson Unit for Endoscopy at St Mark’s Hospital and Academic Institute and did formal research at Imperial College London, achieving a further doctorate in medical research -MD(Res), a PhD equivalent. Dr Despott is an active member of groups including the British Society of Gastroenterology (BSG), the European Society of Gastroinestinal Endoscopy (ESGE), where he is on the guidelines committee for small bowel endoscopy, and the American Society of Gastrointestinal Endoscopy (ASGE). He is the senior associate editor of VideoGIE, an official journal of ASGE. He has national and international experience in lecturing, training courses and holding masterclasses, performing live endoscopy demonstrations and travelling fellowships in Japan for the Japanese GI Endoscopy Society (JGES) and BSG.  Dr Despott's research has been widely published in various scientific peer-reviewed papers, book chapters and review articles. He regularly acts as a referee for widely respected journals. He is also a fellow of the European Board of Gastroenterology and Hepatology (FEBGH), the ASGE (FASGE) and the Royal College of Physicians (FRCP), London.

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Professor Pradeep Bhandari is a leading gastroenterologist based in Portsmouth and London. He specialises in management of a range of Gastrointestinal conditions including early cancers, Barrett's oesophagus, acid reflux, Irritable bowel syndrome, dyspepsia, peptic ulcers, rectal bleeding and obesity, amongst other conditions. He is an expert in advanced endoscopic procedures, including early diagnosis of cancers and endoscopic resections for cancers. He also provides screenings for gastrointestinal cancers. He serves as Professor of Gastroenterology at the University of Portsmouth and has been the Chair of the British Society of Gastroenterologists (BSG) Cancer Group. He currently holds the Research chair of European society of Gastrointestinal endoscopy (ESGE).  He completed a visiting fellowship in Tokyo, working at one of the world's leading endoscopy units at the National Cancer Centre, where new endoscopic techniques were being developed for the diagnosis and treatment of gastrointestinal cancer. The skills he learnt there have enabled him to influence practices of diagnosis, screening, surveillance and treatment of gastrointestinal cancers here in the UK. Professor Bhandari is a member of a number of key organisations in his field, including the British Medical Association (BMA), Royal college of Physicians, European society of gastrointestinal endoscopy and American society of gastrointestinal endoscopy. He received the Hopkins Endoscopy Award from the British Society of Gastroenterology for technical innovation in the field of endoscopy, and the Crystal Award from the American Gastroenterology Association for research in early cancer diagnosis, both in 2013.

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Dr Mani Naghibi is a highly experienced consultant gastroenterologist who specialises in gastrointestinal cancers, irritable bowel syndrome, abdominal pain, heartburn and reflux, conditions causing diarrhoea and constipation, helicobacter pylori and ulcers. Dr Naghibi earned his medical degree and a further degree in anatomy and physiology at Guy’s King's and St Thomas’ School of Medicine in London. In his post-university medical training, he specialised in gastroenterology, nutrition and general internal medicine. He is a speaker at international gastrointestinal conferences and is an honorary senior lecturer at St Mark's National Bowel Hospital, which is one of the few in the world that is entirely dedicated to treating gastrointestinal disorders. He has also been awarded the Shire Prize in innovation in Gastroenterology.

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Dr Rajesh Krishnamoorthy is a leading consultant gastroenterologist specialising in indigestion (dyspepsia), acid reflux, bowel cancer and inflammatory bowel disease (IBD). He is also expertly trained and regularly performs diagnostic and therapeutic upper and lower gastrointestinal endoscopy (gastroscopy, flexible sigmoidoscopy and colonoscopy). After graduating from Tamil Nadu Dr MGR Medical University, India in 1998, he received specialist gastroenterology and general medical training in the Midlands, UK. In 2014, he was appointed as a consultant gastroenterologist at the Royal Derby Hospital. He completed his master's degree in clinical nutrition from the University of Roehampton where he worked on nutrient consumption, food-related quality of life factors and food intolerances in IBD. In 2018 he became a Fellow of the Royal College of Physicians of London. In addition to his consultancy work, Dr Krishnamoorthy is an accredited trainer in endoscopy. He has regular training lists in endoscopy to support trainees who wish to learn more about endoscopy. As well as his areas of expertise, Dr Krishnamoorthy has special interests in luminal gastroenterology, which includes reflux disease, dyspepsia (indigestion), coeliac disease, cancer exclusion, bowel polyp removal and clinical nutrition.

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Dr Farooq Rahman is a leading Consultant Gastroenterologist who practices at various reputable London clinics including the London Digestive Centre, The London Clinic and Parkside Hospital. He is also an Honorary Associate Professor at University College of London. He is a luminal gastroenterologist with extensive experience in general gastroenterology, hepatology and colonoscopy. Dr Rahman's subspecialty interests include inflammatory bowel disease (Crohn's disease, ulcerative colitis), clinical nutrition and intestinal failure, and pelvic radiation disease. He also regularly sees patients with irritable bowel syndrome and small intestinal bacterial overgrowth. Dr Rahman maintains a strong commitment to teaching and training both undergraduates and postgraduates and is actively involved in clinical and translational research. He is committed to furthering the field of gastroenterology through conducting research into diseases such as Crohn’s disease and has published this research in renowned scientific journals such as Gut, Cell Biology and The Lancet. He presents at national and international meetings and has multiple high impact peer-reviewed publications.

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Professor Aftab Ala is a renowned consultant gastroenterologist and hepatologist, specialising in gastroscopy, endoscopy and colonoscopy and the management of complicated gastroenterology and hepatology problems, including liver transplant assessment and treatment of viral hepatitis. He led and managed a British Liver Trust recognised specialist Gastroenterology and Hepatology Service and Viral Hepatitis programme. Professor Aftab Ala trained in gastroenterology at King's College Hospital London, before being awarded a prestigious advanced hepatology fellowship at Mount Sinai Hospital in New York. Alongside his clinical work, he is Professor of Hepatology at the University of Surrey, is an active member on numerous committees in his field, and has published many peer-reviewed medical articles.

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Dr Amit Gera is a leading gastroenterologist in London who specialises in liver disease, irritable bowel syndrome, inflammatory bowel disease, acid reflux and colonoscopy. Dr Gera qualified with distinction from Guy’s, King’s and St Thomas’ School of medicine in 2000. Between 2003 until 2011, he undertook his specialist training in gastroenterology in London and South East Thames. Dr Gera undertook a research fellowship at the Liver Unit in King’s College Hospital and gained advanced training in liver disease, viral hepatitis, transplantation and critical care. He has accreditation in gastroenterology, hepatology and general medicine.   Dr Gera has been the Training Programme Director for the prestigious South Thames Gastroenterology training scheme and has run the regional gastroenterology teaching programme. He is the Lead Clinician for Upper GI Cancer and runs the viral hepatitis service for Queen Elizabeth Hospital, Lewisham and Greenwich NHS Trust.

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Dr Mayur Kumar is a leading Consultant Gastroenterologist specialising in Endoscopy; Acid reflux; Inflammatory bowel disease (IBD); Hepatobiliary diseases; Gastrointestinal, Pancreatic and Colon cancer. He also has a special interest in diseases of the liver, oesophagus, irritable bowel syndrome, pancreatic diseases and coeliac disease. After completing his specialist training in Internal medicine and Gastroenterology/Hepatology in London and at the South-East, he was awarded his Certificate of Completion of Specialist Training (CCST) in 2014. He later trained as a fellow of University College London Hospital where he practised advanced endoscopy and ERCP. He was awarded the prestigious Peter Cotton International Travel Fellowship to visit USA  for ERCP training .He is a JAG accredited endoscopist and performs all endoscopic procedures  including ERCP  and Therapeutic endoscopy. Dr Kumar is currently the Clinical Lead for the Endoscopy service and GI cancer service at Princess Royal University Hospital, part of King's College Hospital NHS Trust. He also practises privately in various clinics in South London. He is also actively involved in medical students, junior doctors  and specialty registrar teaching and training and is an Honorary Senior Lecturer at King's College London and is a faculty member for various training courses in medicine and endoscopy. During his career, Dr Kumar has presented research papers at both national and international conferences and published many papers in peer-reviewed journals. He has also been involved in clinical research and has ongoing research interests in Pancreato-biliary disease, Hepatology and Endoscopy and is a Principal Investigator for several research studies. He is an active member of British Society of Gastroenterology (BSG), Royal College of Physicians London,  American Society of Gastrointestinal Endoscopy (ASGE) and World Endoscopy Organisation (WEO). Dr Kumar is very helpful and has very pleasant bedside manners and excellent communication skills. He is trained in advanced communication skills and is empathetic towards his patients and families as reflected from his patients feedback.

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Dr Derek Chan is a consultant gastroenterologist with a wealth of experience, particularly for function bowel disorders, such as irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD). He also has expertise in managing reflux, change in bowel habits and abdominal pain. Dr Chan currently practices at Spire St Anthony's Hospital in Sutton and at Ramsay Ashtead Hospital, Ashtead. Dr Chan did his undergraduate studies at St Bartholomew's and The Royal London Hospital Medical School, graduating in 2003. Afterwards, he undertook his postgraduate training within the South West Thames area, spending numerous years conducting research at St George's Hospital, London. This research investigated the role of diet and gut bacteria on inflammatory bowel disease. Dr Chan has experience in all areas of gastroenterology, and pays great attention to giving fantastic patient care, as recognised by his recent Certificate of Excellence award from IWantGreatCare.

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Dr Owen Woghiren is a highly regarded consultant physician and gastroenterologist based in London and Chipping Barnet.  He holds a special interest in endoscopy, gastrointestinal infections and inflammatory bowel disease. Dr Woghiren treats helicobacter, lactose intolerance and small bowel overgrowth. He uses video capsule endoscopy and oesophageal manometry, and pH testing for severe reflux and ‘acid’ disorders. Dr Woghiren performs over 1000 colonoscopies and gastroscopies a year and has above standard completion rates, and low complication rates and discomfort scores. Dr Owen Woghiren graduated from The University of Benin almost 30 years ago. He trained at The Westminster and St Mary‘s Hospitals, The Hammersmith in Chelsea, and at various other London hospitals. In 2009, Dr Woghiren earnt a certificate due to his completion of training in gastroenterology and general internal medicine (CTT). Later that year, Dr Woghiren was appointed as a consultant by the NHS at The Chelsea and Westminster Hospital. Following his time there he moved to The Royal Free Hospital in 2017. At the Royal Free Hospital, he took up the position as clinical lead in nutrition, specialising in clinical nutrition, endoscopy, general gastroenterology and hepatology.  

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Dr Debasis Majumdar is a leading gastroenterologist in Croydon who specialises in colon cancer, colonic polyps, endoscopy, colonoscopy, pancreato-biliary medicine, ERCP and endosonography. In 1997 Dr Majumdar graduated with his medical degree from the University of Calcutta, India. He also obtained his MD from the university in 2001. In 2018 he was awarded his MD from Durham University on the completion of his research on polyp surveillance in the NHS bowel cancer screening programme. Dr Majumdar has a passion for training in endoscopic and teaches in national endoscopic training courses. He is a Joint Advisory Group (JAG) accredited trainer for OGD, colonoscopy, ERCP and EUS. Dr Majumdar has extensively published papers in peer-reviewed journals including the Journal of the Royal College of Physicians of Edinburgh, Journal of Gastroenterology and Hepatology and the Journal of the Association of Physicians of India. He has held presentations both nationally and internationally.

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Dr John Martin graduated from Cambridge University and King’s College Hospital, London in 1990 and completed his gastroenterology training within North West London.  He is a highly-experienced gastroenterologist and endoscopist based in London and holds an NHS Consultant post at Imperial College (ICL).  He is an expert in colorectal cancer screening, therapeutic and diagnostic colonoscopy and has 25 years experience of managing all aspects of gastroenterology including abdominal pain or discomfort, reflux disease, diarrhoea and constipation, rectal bleeding, Irritable Bowel Syndrome, Crohn’s Disease and Ulcerative Colitis. Dr Martin teaches colonoscopy both within the  NHS Trust and also at national screening centres. He is a bowel cancer screening accredited colonoscopist and an examiner for BCSP colonoscopy accreditation. Dr Martin is Director of the West London Bowel Cancer Screening Centre, he is the national advisor to Public Health England on endoscopy within the Bowel Cancer screening service and chairs the national advisory committee on quality and safety of endoscopy within screening. He forms an integral part of numerous other professional bodies and has been widely published in peer-reviewed journals.

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Dr Amit Chattree is an exceptionally skilled and renowned Consultant Gastroenterologist with subspecialty in expertise in luminal gastroenterology including inflammatory bowel disease and endoscopy. He worked in world-leading centres during his training in North and Central London, gaining valuable expertise in treating the most complex gastrointestinal conditions.  He runs an expert practice and receives referrals from colleagues at many centres regionally, including for second opinions, and manages a diverse range of conditions  and symptoms including inflammatory bowel disease, bowel cancer, general liver disease, coeliac disease, dyspepsia, gastrointestinal cancer (upper and lower GI cancers), small bowel conditions, diarrhoea, rectal bleeding, gastrointestinal polyps, bowel cancer screening and complex abdominal pain. Dr Chattree is an expert in diagnostic and therapeutic endoscopic procedures with outstanding outcomes. During his training, he underwent an advanced endoscopy fellowship at the University Hospital of North Tees.  He is an accredited colonoscopist for the NHS bowel cancer screening programme and leads the tertiary small bowel service at South Tyneside and Sunderland NHS Foundation Trust, the tertiary regional referral centre for small bowel disease for the North East and Cumbria. Dr Chattree performs a wide range of diagnostic and therapeutic endoscopic procedures: from small bowel endoscopy procedures (capsule endoscopy, single balloon enteroscopy, double-balloon enteroscopy) to upper and lower GI endoscopies including bowel cancer screening, complex polypectomy, transnasal endoscopy, luminal stenting, dilatation and therapeutic endoscopy. Dr Chattree has obtained numerous major achievements during his career. He is the lead author of the British Society of Gastroenterology Guidelines for the management of large colorectal polyps and also developed the world’s first framework for the management of large polyps.  In addition he has published multiple articles in peer reviewed journals and was awarded a prize by the British Society of Gastroenterology for his work in 2015.  He has been an invited speaker and presented his own research at national and international conferences. He greatly contributes to research in small bowel disease, inflammatory bowel disease research and endoscopy and has been a principal investigator for numerous trials.  He is highly regarded by both patients and colleagues and regularly receives outstanding feedback for his work. 

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Professor James Lindsay is a renowned consultant gastroenterologist based in London, who specialises in the treatment of digestive issues such as inflammatory bowel disease (IBD), irritable bowel syndrome (IBS) and acid reflux. In his twenty-five years of experience, he has also gained bowel cancer colonoscopy accreditation from the National Screening Centre. After graduating with a degree in medical sciences from the University of Cambridge, Professor Lindsay went on to qualify from the University of Oxford as a bachelor of medicine as well as surgery. He achieved his PhD in mucosal immunology from Imperial College London in 2002, before completing his fellowship with the Royal College of Physicians in 2008. In addition to his professional experience, he is also passionate about learning and governance in his field. He has been both education officer and governing board member of the European Crohn’s and Colitis Organisation (ECCO). He is currently a member of the International Organisation of IBD (IOIBD) and a national representative for the British Society of Gastroenterology. He regularly leads pioneering clinical trials and has both written and contributed to numerous medical publications.

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Dr Richard Sarsam is a highly experienced gastroenterologist based in Windsor, Berkshire since 2002. He specialises in therapeutic colonoscopy including EMR of large polyps, gastroscopy and enteral stenting, ERCP, and hepatobiliary disorders. He is an expert at diagnosing the causes of rectal bleeding, abdominal pain, change in bowel habit and dyspepsia (indigestion) as well as treating a large number of patients with inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS). He is an accredited national bowel cancer screening colonoscopist since 2008 and the upper GI cancer MDT lead for Wexham Park Hospital.  He trained extensively in gastroenterology and endoscopy in both the South and North Thames Deanery, which included working at the Royal Free Liver Unit for 18 months and a two year research post at Guy's Hospital, London researching the role of bacteria in colon cancer and gallstones. Dr Sarsam as based at BMI The Princess Margaret Hospital, Windsor but also consults at the Parkside Suite in Wexham Park in Slough and the Bridge clinic in Maidenhead. He performs around 1800 endoscopic procedures annually and has introduced both video capsule endoscopy of the small intestine and bravo capsule insertion at endoscopy for 48-hour pH monitoring to BMI The Princess Margaret Hospital.

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Dr Christos Toumpanakis is one of London's leading consultant gastroenterologists practising at the Royal Free Hospital London. He is also an honorary Associate Professor at University College London (UCL) and has won the 'Top-Teacher of the Year' Award on five different occasions. His sub-specialty is neuroendocrine tumours and he is considered to be one of the international experts in the field.  He also specialises in coeliac disease, dyspepsia, gastro-oesophageal reflux, bowel disease including inflammatory bowel disease (IBD), gastrointestinal endoscopy as well as gastro-intestinal problems of patients with congenital immuno-deficiencies. He has lectured at several international conferences and has published numerous papers and reviews. He is currently the Chairman of the Advisory Board of the European Neuroendocrine Tumour Society (ENETS), co-editor of ENETS CME program, co-author of ENETS & UK & Ireland NET Guidelines, as well as member of the Advisory Board of the UK NET patients’ foundation. He leads a NET Clinical Research Group and his main research interests include novel biomarkers and molecular imaging in NETs, mesenteric fibrosis, and carcinoid heart disease.

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Dr Sameer Zar is a highly-experienced London-based gastroenterologist. Practising at a number of reputable clinics in the capital including the Royal Marsden Hospital, he specialises in a number of aspects of his field such as endoscopy, colonoscopy, Barrett’s oesophagus, reflux, dyspepsia, IBS, IBD and liver diseases. Dr Zar has been published extensively in peer-reviewed journals and forms an integral part of various national and international professional bodies including the American Society for Gastrointestinal Endoscopynumerous.

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