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Dr Jason Dunn

Verified Gastroenterology London

Dr Jason Dunn

2 years of experience 5.0 (50 verified reviews)

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

PROFILE SUMMARY

About Dr Jason Dunn at a glance

Dr Jason Dunn is a Gastroenterology practitioner based in London, United Kingdom, practising at Universitat de Barcelona Teaching Hospital. They have 26+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universitat de Barcelona (MD, 2020). Serves patients in London, United Kingdom and the surrounding area.

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, London (GB)
  2. 2020–2024 Residency · Gastroenterology
    Universidad Complutense de Madrid, London (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 · London · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Gastroenterology — London · 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

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 international insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

Location

1 tag

Patient reviews

50 verified reviews
4.95
★★★★⯨
50 reviews
5★ 2
4★ 1
3★ 0
2★ 0
1★ 0
Bedside Manner
5.0
Knowledge
5.0
Wait Time
4.7
Staff Friendliness
5.0
Ease Of Appointment
4.9
Value For Money
4.9
Would Recommend Pct
98.0
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Recent reviews

  • ★★★★★ ✓ Verified
    Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
    Anna B.
  • ★★★★★ ✓ Verified
    Took time to listen and reviewed all my previous results. I would absolutely recommend.
    Marco V.
  • ★★★★☆ ✓ Verified
    Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
    Helena F.

SPECIALTIES & PROCEDURES

Dr Jason Dunn's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Jason Dunn treats, with the size of the national pool of United Kingdom doctors offering the same care.

Gastroenterology

Digestive-tract conditions including reflux, IBS, IBD, liver disease and colorectal screening.

Dr Jason Dunn is one of 792 gastroenterology doctors indexed in United Kingdom. Browse gastroenterology doctors in United Kingdom →

LOCAL CARE CONTEXT

Why local healthcare in London matters

Medical practice in United Kingdom is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant United Kingdom medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in London carries the additional benefits of local language support, in-person follow-up, and direct coordination with regional hospitals and labs. A verified profile means EuroClinics has cross-checked the practitioner or clinic against an official source (national medical register, public licence database, or the practitioner themselves), and that the data shown here matches that source as of the last verification date above.

Looking for additional providers? all doctors in London or all doctors in United Kingdom.

Frequently asked questions

Quick answers to the questions patients ask most. The same answers are surfaced to AI assistants via structured data.

  • What does Jason Dunn specialise in?

    Jason Dunn specialises in Gastroenterology in London, GB. 26 years of clinical experience.

  • What conditions does Jason Dunn treat?

    Jason Dunn treats conditions within Gastroenterology. View the full conditions-treated list on the profile.

  • Where does Jason Dunn practise?

    Jason Dunn practises in London, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Jason Dunn speak?

    Jason Dunn speaks English.

  • How do I book an appointment with Jason Dunn?

    Use the "Request a booking" button on the profile to send an appointment request. Most appointments are confirmed within 24 hours; many slots are bookable instantly.

  • What do patients say about Jason Dunn?

    Jason Dunn has a verified rating of 4.95/5 from 50 patient reviews. Read the most recent reviews on the profile page.

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