✓ Geverifieerd
Vertrouwensscore 97/100
Dr Yiannis Kallis
Maag-darm-leverziekten · London
👤 2 jaar ervaring
7,309+
Patients seen
2
Years in practice
8
Publications
1
Languages spoken
Over
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 has been 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 has been 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 has served 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.
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 has been 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 has been 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 has served 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.
“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”
— Dr Yiannis Kallis
Opleiding & training
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2017–2023 MD · Medicine and Surgery
-
2023–2027 Residency · Maag-darm-leverziekten
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2027–2028 Fellowship · Subspecialty training
Carrière & aanstellingen
-
2027-09–2028-08 Junior consultant
Vergunningen & verzekering
Medische licenties
GB — Organización Médica Colegial de España (OMC)
Boardcertificeringen
European Board of Maag-darm-leverziekten
Beroepsaansprakelijkheidsverzekering:
Allianz Professional · 2,000,000 EUR dekking · No claims on file
Uitgevoerde procedures
| Procedure | Code | Levenslang aantal |
|---|---|---|
| GP consultation | 99213 | 965 |
| Annual physical exam | 99395 | 1,987 |
| Vaccination administration | 90471 | 2,907 |
| Minor procedure (skin) | 17110 | 1,988 |
Diensten & prijzen
| Dienst | Duur | Modaliteit | Prijs |
|---|---|---|---|
| New patient consultation (60m) | 60 min | in_clinic|telemed | 180.00 EUR |
| Follow-up consultation (30m) | 30 min | in_clinic|telemed|phone | 90.00 EUR |
| Vaccination administration | 30 min | in_clinic | 450.00 EUR |
| Minor procedure (skin) | 120 min | in_clinic | 180.00 EUR |
Praktijk, team & in praktijk
Video's
Onderzoek & publicaties
h-index: 3 · i10: 10
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Outcomes of Maag-darm-leverziekten in adults — a multi-centre cohort
DOI: 10.5572/euroclin.2025.0 · PMID: 36258348 · geciteerd door 141
-
European registry analysis of Maag-darm-leverziekten outcomes
DOI: 10.3448/euroclin.2024.1 · PMID: 37486338 · geciteerd door 7
-
Outcomes of Maag-darm-leverziekten in adults — a multi-centre cohort
DOI: 10.3839/euroclin.2023.2 · PMID: 34585616 · geciteerd door 145
Uitgenodigde lezingen
- Practical updates in Maag-darm-leverziekten European Annual Congress (Maag-darm-leverziekten) · Vienna · 2024 · invited
- Single-centre experience in Maag-darm-leverziekten National Society Meeting · London · 2023 · oral abstract
Onderscheidingen & lidmaatschappen
Onderscheidingen
- 🏆 Top-rated Maag-darm-leverziekten — London · EuroClinics Patient Choice · 2025 · regional
- 🏆 Excellence in Patient Care · National Society · 2024 · national
- 🏆 Young Investigator Award · European Society · 2023 · international
Lidmaatschappen
- WONCA Europe — Family Doctors — Member · Sinds 2028
- national college of family doctors — Member · Sinds 2028
- European Union of Medical Specialists (UEMS) — Member · Sinds 2028
Artikelen van deze arts
- Patient education Patient guide to Maag-darm-leverziekten
- Awareness When should you see a maag-darm-leverziekten?
Voor internationale patiënten
- Coördinator
- Patient liaison · dr.yiannis.kallis@euroclinics.example
- Geaccepteerde internationale verzekeringen
- Allianz Worldwide · AXA Global · BUPA Global · Cigna Global
Locatie
1 tagPatiëntbeoordelingen
334 geverifieerde recensies4.93
★★★★⯨
334 recensies
- Bedside Manner
- 5.0
- Knowledge
- 5.0
- Wait Time
- 4.7
- Staff Friendliness
- 5.0
- Ease Of Appointment
- 4.8
- Value For Money
- 4.9
- Would Recommend Pct
- 98.0
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Recente recensies
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★★★★★ ✓ Geverifieerd Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
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★★★★★ ✓ Geverifieerd Took time to listen and reviewed all my previous results. I would absolutely recommend.
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★★★★☆ ✓ Geverifieerd Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
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