Dr Yiannis Kallis
Dr Yiannis Kallis is a Consultant Hepatologist and Gastroenterologist specialising in liver, pancreas and bile ducts disease. He performs the FibroScan test, and endoscopy.
Hepatitis C treatment
Treatment of chronic hepatitis C is important as clearing the virus from the body can prevent long-term liver damage, such as cirrhosis
2 consultants available
FibroScan liver health assessment
We offer a first-class FibroScan service that can accurately assess the health of your liver in just 10 minutes. Speak to our expert team to find out more.
ALT liver function test
We offer a five-minute ALT blood test that can help spot a problem in your liver before you show any sign of it. Speak to our expert team to find out more.
Endoscopic retrograde cholangiopancreatography (ERCP)
At The London Clinic we provide a private endoscopic retrograde cholangiopancreatography (ERCP) service to diagnose biliary and pancreatic disease.
Hepatitis B diagnosis and treatment
Hepatitis B is a viral infection that is transmitted through blood and bodily fluids. Globally, around 1 in 3 people are infected.
2 consultants available
Our first-class gastroscopy service diagnoses conditions affecting the oesophagus, stomach and duodenum.
Our first-class colonoscopy service screens for bowel cancer and investigates other problems affecting the colon. Available Saturdays as well as weekdays.
We provide a first-class sigmoidoscopy service to diagnose and monitor conditions of the large bowel.
Dr Yiannis Kallis is a Consultant Hepatologist and Gastroenterologist at the Royal London Hospital and the Royal Free Hospital London, two of the UK's leading teaching hospitals.
His practice covers a broad range of gastro-intestinal diseases with a particular emphasis on liver disease and disorders of the pancreas and bile ducts. He is a highly skilled diagnostic and therapeutic endoscopist, with a particular expertise in ERCP (endoscopy of the bile duct and pancreatic duct).
He is Clinical Lead for Liver Diseases at the Royal London Hospital and runs the NE London liver transplant network.
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 and regeneration at Imperial College London and has published 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, 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 is actively involved in teaching and helps to run Masters and Specialty Certificate Examination courses in gastroenterology.
He sits on the writing group for national guidelines in liver disease, is a specialist advisor to the National Institute of Health and Care Excellence (NICE), and serves on the British Society for Gastroenterology (BSG) liver committee.
Dr Yiannis Kallis is available through The London Clinic's Connect service for video consultations.
- Consultant Hepatologist and Gastroenterologist
Barts Health NHS Trust (Royal London Hospital)
- Honorary Clinical Senior Lecturer
Barts and the London School of Medicine and Dentistry
- Honorary Consultant Hepatologist
Royal Free London NHS Foundation Trust
- Liver health and FibroScan
- Fatty liver
- Abnormal LFTs
Gallbladder and bile duct disease
- Year qualified 1998
- Cambridge 1993 - 1998