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Dr Jason Dunn
✓ Verified Trust score 97/100 Accepting new patients

Dr

Dr Jason Dunn

Gastroenterology

4.95 · 50 verified reviews

English
6,784+ Patients seen
2 Years in practice
3 Publications
1 Languages spoken

About

Dr Jason Dunn, Consultant Gastroenterologist, is based in London working within the Guy's and St Thomas' Hospitals and privately within the London Bridge Hospital and One Welbeck. He is highly specialised in Oesophageal diseases including GERD, LPR, EoE, Achalasia and Barrett's oesophagus. He is one of few specialists in the UK that practice therapeutic endoscopy in the oesophagus, including POEM for acahalsia, Esoflip/Endoflip,  HALO Radiofrequency Ablation (RFA) (for Barrett's oesophagus and also inlet patch) and Endoscopic Mucosal Resection (EMR) throughout the GI tract for polyps and early cancer.

Other skills include general gastroenterology, nutrition (including PEG tube insertion), Irritable Bowel Syndrome, Colonic polyps, weight loss and SIBO. 

Dr Dunn has an extensive research interest with over 200 research publications in high-impact medical journals and several book chapters, with 1850 citations. He was awarded the CRUK clinical fellowship at UCL examining the use of optical diagnostics and minimally invasive therapies for the treatment of Barrett's oesophagus. He was later awarded a PhD for this work. His continued work in the field of Barrett's oesophagus, and biomarkers to predict cancer progression has won him several awards. He continues to contribute back to medical education by holding the position of Honorary Senior Lecturer at Kings College London and previously at Oslo University.

Dr Dunn has had a very successful career in which he has established a regional Endo-therapy centre at St Thomas for the South East region, written guidelines for the management of Barrett's oesophagus, and been Clinical Lead for Endoscopy at Guy's and St Thomas' Hospitals. Additionally, he was the Research Lead for the Oesophageal Section of the British Society of Gastroenterology and remians on this committee. He is the medical advisor to the charity- Action against Heartburn.

“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”

— Dr Jason Dunn

Education & training

  1. 2014–2020 MD · Medicine and Surgery
    Universitat de Barcelona (GB)
  2. 2020–2024 Residency · Gastroenterology
    Universidad Complutense de Madrid (GB)
  3. 2024–2025 Fellowship · Subspecialty training
    Mayo Clinic, US

Career & appointments

  1. 2024-09–2025-08 Junior consultant
    Universitat de Barcelona Teaching Hospital — Gastroenterology

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-930876 active · expires 2028-12-31

Board certifications

European Board of Gastroenterology
#EB-326FA8CF · issued 2025 · renewal 2035
Malpractice insurance: AmTrust Europe · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 295
Annual physical exam 99395 3,033
Vaccination administration 90471 785
Minor procedure (skin) 17110 1,710

Services & pricing

ServiceDurationModalityPrice
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 90 min in_clinic 450.00 EUR
Minor procedure (skin) 60 min in_clinic 180.00 EUR

Office, team & in practice

Jason Dunn
HEADSHOT
Jason Dunn in consultation
IN OFFICE
Jason Dunn with the team
WITH TEAM
Jason Dunn at a conference
CONFERENCE

Videos

introduction · 145s
Meet Jason Dunn

Research & publications

h-index: 16 · i10: 6

  1. Outcomes of Gastroenterology in adults — a multi-centre cohort
    Jason Dunn, et al. · European Journal of Medicine, 2025
    DOI: 10.8058/euroclin.2025.0 · PMID: 32196375 · cited by 167
  2. European registry analysis of Gastroenterology outcomes
    Jason Dunn, et al. · European Journal of Medicine, 2024
    DOI: 10.2027/euroclin.2024.1 · PMID: 30532952 · cited by 5
  3. Outcomes of Gastroenterology in adults — a multi-centre cohort
    Jason Dunn, et al. · European Journal of Medicine, 2023
    DOI: 10.2463/euroclin.2023.2 · PMID: 36550729 · cited by 67

Invited talks

  • Practical updates in Gastroenterology European Annual Congress (Gastroenterology) · Vienna · 2024 · invited
  • Single-centre experience in Gastroenterology National Society Meeting · · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Gastroenterology — · EuroClinics Patient Choice · 2025 · regional
  • 🏆 Excellence in Patient Care · National Society · 2024 · national
  • 🏆 Young Investigator Award · European Society · 2023 · international

Society memberships

  • WONCA Europe — Family Doctors — Member · since 2025
  • national college of family doctors — Member · since 2025
  • European Union of Medical Specialists (UEMS) — Member · since 2025

Patient reviews

★ 4.95 50 verified reviews
Bedside Manner
5.00
Knowledge
5.00
Wait Time
4.70
Staff Friendliness
4.97
Ease Of Appointment
4.85
Value For Money
4.87
Would Recommend Pct
98
  • ★ 5 verified visit

    “Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.”

    — Anna B. · 2026-05-04

  • ★ 5 verified visit

    “Took time to listen and reviewed all my previous results. I would absolutely recommend.”

    — Marco V. · 2026-04-17

  • ★ 4 verified visit

    “Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.”

    — Helena F. · 2026-04-14

Articles by this doctor

  • Patient education Patient guide to Gastroenterology
  • Awareness When should you see a gastroenterology?

For international patients

Coordinator
Patient liaison · dr.jason.dunn@euroclinics.example
Accepted intl insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

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