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76 results found for Hepatology, Gastroenterology in London, UK

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Recommended by 9 specialists
23 years of experience
Pancreaticobiliary Medicine (Bile Ducts & Pancreas), General (Internal) Medicine, Hepatology

Please be aware that during the COVID-19 outbreak Dr Kallis will be undertaking face-to-face consultations if required. Video and telephone consultations are also available, please contact for further information.

Dr Yiannis Kallis is a Consultant Hepatologist and Gastroenterologist at the Royal London Hospital (Barts Health NHS Trust) and the Royal Free Hospital London, two of the UK's leading teaching hospitals, where his practice covers a broad range of gastro-intestinal diseases. He specialises in liver disease and disorders of the pancreas and bile ducts, and runs the NE London outreach liver transplant network. He is Clinical Lead for Hepatology at the Royal London Hospital and Network Director for Hepatology across NE London integrated care service.

He is a highly skilled in diagnostic and therapeutic endoscopy and colonoscopy, with a particular expertise in complex ERCP (endoscopy of the bile duct and pancreatic duct). He is clinical lead for ERCP services at Bart Health for the HPB cancer board. He is at the forefront of research into developing novel endoscopic treatments for pancreato-biliary cancers, and is a specialist advisor to the National Institute of Health and Care Excellence (NICE) in this field. He serves on the British Society for Gastroenterology (BSG) liver committee and the British Liver Transplant Group committee.

He graduated from Cambridge University with Distinction and undertook postgraduate specialty training across several leading London teaching hospitals. He was awarded a PhD in 2010 for his research into liver fibrosis, stem cells and regeneration at Imperial College London and Cancer Research UK, and publishes his work in high impact peer-reviewed journals.

He is currently an Honorary Clinical Senior Lecturer at Barts and the London School of Medicine and Dentistry, QMUL, where he is a principal investigator on several multi centre clinical trials in treatments for advanced liver disease and for inflammatory disorders of bile ducts. He regularly lectures in gastroenterology and hepatology and supervises MSc student projects in liver disease at QMUL. He sits on the writing group for national guidelines in liver disease.

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Recommended by 7 specialists
35 years of experience
Irritable Bowel Syndrome (IBS), Hepatology, Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease + 1 more

Dr John O’Donohue is a Consultant Physician and Gastroenterologist in London, UK.

Dr O'Donohue qualified from University of Dublin, Trinity College, in 1987. He was then awarded the Blaney Gold medal for First in Medicine, St James' Hospital. In 1990 Dr O’Donohue then moved to London and trained in Gastroenterology and Hepatology at King's College Hospital Liver Unit, St. Bartholomew's/Homerton London, and Western Infirmary, Glasgow.

Dr O’Donohue maintains a comprehensive gastroenterology practice dealing with a comprehensive range of diseases of the upper and lower digestive tract. Performing high-quality and comfortable endoscopy is a particular interest of his. He has also interests in service development in endoscopy, and has helped to set up national accreditation schemes in endoscopy and bowel cancer screening services in the UK and London. Dr O’Donohue's hard work and research has not gone without recognition; he was awarded national-level Clinical Excellence Award by the Department of Health.

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Recommended by 8 specialists
21 years of experience
Irritable Bowel Syndrome (IBS), Hepatology

Dr Raj Srirajaskanthan is a London-based gastroenterologist and physician. His areas of expertise include gastrointestinal cancers, IBS, endoscopy, and neuroendocrine tumours. He is also a nationally certified colonoscopist and performs bowel cancer screenings. Dr Srirajaskanthan is the current clinical lead for gastroenterology at King’s College Hospital and the Director of the Neuroendocrine Tumour Unit at Kings Health Partners, an ENETS Centre of Excellence. He is also an associate professor of gastroenterology at King's College London.

Dr Srirajaskanthan graduated from Guy's, King's, and St. Thomas' School of Medicine, where he earned both a medical degree and an intercalated BSc before completing post-graduate training in hospitals in Oxford, London, and South East England. In 2010, he attained an MD (Res) from University College London for his work in neuroendocrine tumours. He was later awarded a travel fellowship to The Medical University of South Carolina by the British Society of Gastroenterology.

Dr Srirajaskanthan remains actively involved in research and has a large number of publications in peer-reviewed journals. He has also authored and edited three textbooks on liver disease and neuroendocrine tumours and co-authored book chapters for six other books.

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It is important that HCA is transparent about our relationship with those doctors who provide us with clinical guidance on delivering the best possible care to patients and operating our hospitals safely and efficiently. We set out here some of the ways in which we work together and the amount we pay this doctor for such services.

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Recommended by 8 specialists
35 years of experience
General (Internal) Medicine, Irritable Bowel Syndrome (IBS), Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease + 1 more

Dr Voi Shim Wong, Consultant Gastroenterologist, is currently working within the Whittington Hospital NHS Trust in London. He is highly experienced in every aspect of gastroenterology with a specific interest in dyspepsia, inflammatory bowel disease and liver diseases. He has developed excellent skills in endoscopic procedures, which he performs often.

Dr Wong started his medical education at the University of St Andrew’s, where he graduated in 1987 with a Bachelors in medicine and surgery. After graduating he then went on to complete his Higher Speciality Training in gastroenterology and hepatology in institutions throughout the UK including Manchester, Leeds, Cambridge, and Liverpool.

Dr Wong is fully accredited in Bowel Cancer Screening Colonoscopy and is dedicated to achieving near-perfect outcomes for his patients.

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Recommended by 6 specialists
18 years of experience
Irritable Bowel Syndrome (IBS), Clinical Pharmacology, General (Internal) Medicine + 4 more

Dr. Rishi Goel is a Consultant Gastroenterologist and an expert in treating Inflammatory Bowel Disease. Within the field, his clinical interests include therapeutic endoscopy, gastroscopy, colonoscopy, wireless video capsule endoscopy and the management of orofacial granulomatosis (Oral Crohn's disease).

After qualifying from Guy's, King's and St Thomas' Medical School, Dr. Goel undertook specialist Gastroenterology training in 2008 and gained extensive medical experience working in hospitals around London and the South East. He previously worked in Australia, India, and Japan on medical attachments. In 2012, whilst at Guy's & St Thomas' Hospitals, he spent 3 years participating in research investigating the Genetics and Microbiology of Crohn's disease.

Dr. Goel has published over 30 peer-reviewed articles and has written a textbook chapter. He plays an active role in clinical research and is a principal investigator in multiple trials testing new Inflammatory Bowel Disease treatments.

Outside of work, Dr. Goel enjoys spending time with his wife and children. He is a keen traveler, squash player and particularly enjoys amateur film making and motor racing.


Diseases, Medical Tests and Treatments
  • Bowel Cancer Screening
  • Enteral Nutrition (tube)
  • Liver Biopsy
  • Percutaneous Endoscopic Gastrostomy (PEG)
  • Capsule Endoscopy
  • Colonoscopy
  • FibroScan (Transient Elastography)
  • Sigmoidoscopy
  • Video Consultation
  • Endoscopy
  • Gastroscopy
  • Parenteral Nutrition (via drip)
  • Flexible Sigmoidoscopy
  • Polypectomy
  • Video capsule endoscopy
  • Screening for polyps/ cancer
  • Wireless pH capsule for acid reflux monitoring
  • Video Consultation


  • Achalasia
  • Cholestasis
  • Colitis (Ulcerative Colitis)
  • Dyspepsia (indigestion)
  • Functional Bowel Disease
  • Gastro-oesophageal Reflux Disease (GORD)
  • Hiatus Hernia
  • Jaundice
  • Oesophageal Spasm
  • Polycystic Liver Disease
  • Pyloric Stenosis
  • Acid Reflux
  • Barrett's Oesophagus
  • Cirrhosis
  • Constipation
  • Fatty Liver Disease
  • Gallstones
  • Gastroparesis
  • Heart Burn
  • Inflammatory Bowel Disease
  • Liver Cancer
  • Oesophagitis
  • Swollen Stomach
  • Bloating
  • Coeliac Disease
  • Crohn’s Disease
  • Food Intolerance
  • Gastric (Stomach) Ulcers
  • Hepatitis
  • Irritable Bowel Syndrome (IBS)
  • Liver disease
  • pancreatitis
  • Upper Gastrointestinal Conditions (esophagus & stomach)
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Recommended by 7 specialists
16 years of experience

Dr Nowlan Selvapatt, Consultant Hepatologist and Gastroenterologist, currently works within the Imperial College Hospital NHS Trust and sees patients privately in several London-based clinics. He is highly experienced in treating a wide range of GI and liver disorders, with a special interest in chronic liver disease, particularly cirrhosis. He is highly competent in performing diagnostic and therapeutic upper GI endoscopies, as well as diagnostic colonoscopies.

Dr Selvapatt underwent his foundation training at Imperial College London, qualifying in 2006. He then underwent specialist training in units throughout London and completed an Advanced Training Programme at King’s College Hospital Liver Transplant and Intensive Care Unit. During his training, he also undertook a PhD focusing on Health Economic Analyses for Viral Hepatitis Screening Programmes, he was later awarded the doctorate by Imperial College in 2017. His expertise in the field of hepatitis was recognised in 2016 when he was invited to assist the World Health Organisation with guidelines on the management of the condition.

Dr Selvapatt is also an active researcher, with numerous publications focusing on the complications of cirrhosis. He has also contributed several book chapters on acute and chronic liver failure. He is currently involved as a Principal Investigator on several clinical trials and is invited to present his findings at conferences around the globe.

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Recommended by 3 specialists
28 years of experience


Please be aware that during the COVID-19 Outbreak Professor Khan will not be undertaking any face-to-face consultations. Telephone consultations are available, please contact for further information.


Professor Shahid Khan is a Consultant Physician based at St Mary's and Hammersmith Hospitals, London. He is a consultant Gastroenterologist with Special accreditation in Hepatology. 

Prof Khan obtained his medical degree from Guy's and St Thomas' Hospitals Medical School and went on to complete his specialist training at St Mary's Hospital and University College Hospital, London. Prof Khan has also been awarded a PhD for his studies in liver cancer. 

Prof Khan's special interests include investigation of abnormal liver function tests, liver cancer, alcoholic liver disease, dyspepsia, fatty liver disease investigation of change in bowel habit and endoscopic procedures. Since his appointment as a consultant, Prof Khan has set-up a dedicated clinic for decompensated cirrhotic patients. He also runs a general Hepatology/Gastroenterology clinic, performs endoscopy lists and is the clinical lead for liver cancer. 

Further to his role, Prof Khan lectures nationally and internationally on liver disease, he is the Hepatology Unit Lead for liver cancer and he is an accredited Royal College of Physicians Educator, teaching at both undergraduate and postgraduate level. He has also extensively published in peer-reviewed medical journals. He is also a Senior Fellow of the Higher Education Academy (SFHEA).

Prof Khan is also an Professor of Practice in Hepatology at Imperial College London University where he is Director of Admissions and Inclusivity for Imperial College Medical School and also Course Director of the Gastroenterology & Hepatology BSc Programme. He as an active research interest in live disease and has supervised several PhD students. 

Prof Khan's Professional Memberships include the British Medical Association, the British Association for Study of the Liver, the International Liver Cancer Association, the European Association for Study of the Liver and the British Society of Gastroenterology. 

Diseases, Medical Tests and Treatments

  • Colonoscopy 
  • Endoscopy
  • Gastroscopy 
  • Fibroscan
  • Liver Assessment
  • Liver disease
  • Cirrhosis
  • Abnormal Liver tests
  • Alcohol related liver disease 
  • Fatty liver disease
  • Ascites
  • Primary Liver cancer 
  • Hepatic encephalopathy
  • Hepatitis e.g hepatitis B and hepatitis C or any other cause
  • Fibroscan
  • Liver health check
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Recommended by 3 specialists
37 years of experience
Irritable Bowel Syndrome (IBS), Inflammatory Bowel Diseases (IBD) such as ulcerative Colitis or Crohn's Disease, Hepatology

Dr Alistair McNair, Consultant Gastroenterologist, is currently based in Southeast London, working within the Queen Elizabeth Hospital, Lewisham and Greenwich NHS Trust. He is highly specialised in many conditions affecting the intestine and liver including inflammatory bowel disease, Crohn's disease, ulcerative colitis, irritable bowel syndrome (IBS), coeliac disease, dyspepsia, acid reflux, Barrett's oesophagus, abdominal pain, colorectal cancer, gastric cancer, pancreatic cancer, gall stones, and liver disease.

Dr McNair can perform highly skilled procedures including gastroscopy and trans-nasal endoscopy, small bowel (capsule endoscopy) and large bowel (colonoscopy and flexible sigmoidoscopy). He also offers therapeutic endoscopy options including polypectomy, ERCP, stent insertions, and balloon dilatations. He has been appointed to several roles at his NHS Trust including clinical Director for Gastroenterology. He has also held the roles of Secretary of the endoscopy section of The British Society of Gastroenterology and regional Training Programme Director. His work in research has won him the Bronze National Award, he continues to research for several national and regional programmes. 

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Offers video consultation
Recommended by 4 specialists
19 years of experience
Hepatology, Neuro-Gastroenterology

Dr Philip Woodland, Consultant Gastroenterologist, currently works within the Royal London Hospital NHS Trust. He also sees patients privately at a London-based clinic in the Princess Grace Hospital. He is highly experienced in the diagnosis and treatment of a wide range of gastrointestinal issues and is very skilled in performing a range of diagnostic and therapeutic procedures including gastroscopies, colonoscopies, and endoscopic ultrasounds.

Dr Woodland began his medical education in London at University College London, where he graduated with a BSc in Medicine and Surgery. He then went on to complete his specialist training in London and undertook a PhD focusing on gastro-oesophageal reflux disease at Queen Mary University. In his current position, he ensures that his patients feel comfortable and at ease. He endeavours to make patients feel heard and feel seen, giving them the attention and time they deserve. He uses his experience and expertise, alongside the patient’s concerns and quality of life to create the best treatment plans possible.

Dr Woodland is a very active member of the research community, focusing on gastro-oesophageal reflux disease and difficulty when swallowing. His work has earned him regular invitations to present his findings and speak at conferences around the work on these topics. He is also an active teacher, holding the position of Honorary Senior Lecturer at the Royal London Hospital.

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Recommended by 1 specialist
25 years of experience
Irritable Bowel Syndrome (IBS), General (Internal) Medicine, Hepatology + 2 more

Dr Deb Majumdar is currently Consultant Gastroenterologist and clinical lead in Endoscopy and Hepatobiliary medicine at St Peter's hospital. He also works at Royal Surrey County hospital, the regional hepatobiliary cancer centre, as a Consultant Gastroenterologist where he performs advanced hepatobiliary endoscopic procedures. He has been instrumental in development of Barrett’s oesophagus, capsule endoscopy and advanced ERCP(Spyglass) service at St Peter's and introduction of non-invasive assessment of liver disease (Fibroscan) .

Majumdar has a particular interest in diagnostic and therapeutic endoscopy (gastroscopy and colonoscopy), ERCP and endoscopic ultrasound.

He is a JAG (UK Joint Advisory Group on GI Endoscopy) accredited Endoscopist and trainer in endoscopy. He participates in regular audits of his endoscopy activity striving to provide high quality and safe endoscopy to his patients. His colonoscopy quality data (Key performance Indicators-KPI) indicate excellent outcomes.

He has a varied interest in research, holding the role of Principal investigator in several multi-centre studies. His MD thesis included cutting edge techniques of Proteomics, focussing on molecular methods of identify patients at risk of cancer in context of inflammatory bowel disease.

He has published in multiple journals and presented papers at national and international conferences.

He takes a strong interest in teaching and training. He is a MRCP PACES examiner.

Diseases, Medical Tests and Treatments
  • Gastroscopy
  • Oesophageal stenting
  • Colonoscopy
  • Polypectomy and Endoscopic mucosal resection
  • Endoscopic ultrasound
  • ERCP
  • Capsule endoscopy
  • Fibroscan
  • Gastroesophageal reflux and Hiatus Hernia.
  • Gastric and duodenal ulcers.
  • Oesophageal cancer
  • Coeliac disease.
  • Inflammatory Bowel Disease- Crohn's disease and ulcerative colitis.
  • Irritable Bowel Syndrome (IBS).
  • Liver disease, Jaundice & hepatitis.
  • Liver Cancer.
  • Pancreatic tumours and Pancreatitis.
  • Colonic polyps and colon cancers.
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