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Dr Gareth Sadler

Gastroenterology London

Dr Gareth Sadler

2 years of experience

12,482+
Patients seen
2
Years in practice
6
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr Gareth Sadler at a glance

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

About

Dr Gareth Sadler qualified from the University of Birmingham Medical School, and undertook specialist training in the West Midlands and London Deaneries. After completing his training, he was awarded a Masters degree in Health Economics from the University of Birmingham, and undertook a clinical fellowship in advanced endoscopy.
He is now a full-time consultant at St George's Hospital. He runs weekly general gastroenterology out-patient clinics and is one of the consultants in charge of the gastroenterology ward. He is an accredited screening Colonoscopist for both the National Bowel Cancer Screening programme. Mr Sadler is lead for endoscopy training, and faculty member for foundation, colonoscopy and therapeutic endoscopy courses.
His main clinical interests are luminal gastroenterology and colonoscopy, including bowel cancer screening, irritable bowel syndrome, inflammatory bowel disease, coeliac disease, dyspepsia and nutrition.

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

— Dr Gareth Sadler

Education & training

  1. 2014–2020 MD · Medicine and Surgery
    Universidad de Sevilla, London (GB)
  2. 2020–2024 Residency · Gastroenterology
    Universidad Complutense de Madrid, London (GB)
  3. 2024–2025 Fellowship · Subspecialty training
    Charité Berlin, DE

Career & appointments

  1. 2024-09–2025-08 Junior consultant
    Universidad de Sevilla Teaching Hospital — Gastroenterology

Licenses & insurance

Medical licenses

GB — Organización Médica Colegial de España (OMC)
#GB-582124 active · expires 2028-12-31

Board certifications

European Board of Gastroenterology
#EB-0CAC0B3A · issued 2025 · renewal 2035
Malpractice insurance: HDI Global · 4,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,566
Annual physical exam 99395 2,568
Vaccination administration 90471 1,496
Minor procedure (skin) 17110 2,015

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

Office, team & in practice

Gareth Sadler
HEADSHOT
Gareth Sadler in consultation
IN OFFICE
Gareth Sadler with the team
WITH TEAM
Gareth Sadler at a conference
CONFERENCE

Videos

introduction · 79s
Meet Gareth Sadler

Research & publications

h-index: 5 · i10: 6

  1. European registry analysis of Gastroenterology outcomes
    Gareth Sadler, et al. · European Journal of Medicine, 2025
    DOI: 10.1545/euroclin.2025.0 · PMID: 38226933 · cited by 110
  2. Outcomes of Gastroenterology in adults — a multi-centre cohort
    Gareth Sadler, et al. · European Journal of Medicine, 2024
    DOI: 10.8012/euroclin.2024.1 · PMID: 39293254 · cited by 76
  3. European registry analysis of Gastroenterology outcomes
    Gareth Sadler, et al. · European Journal of Medicine, 2023
    DOI: 10.7481/euroclin.2023.2 · PMID: 37170310 · cited by 170
  4. Outcomes of Gastroenterology in adults — a multi-centre cohort
    Gareth Sadler, et al. · European Journal of Medicine, 2022
    DOI: 10.1418/euroclin.2022.3 · PMID: 35801240 · cited by 24

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

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.gareth.sadler@euroclinics.example

Location

1 tag

Patient reviews

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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 Gareth Sadler's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Gareth Sadler 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 Gareth Sadler 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 Gareth Sadler specialise in?

    Gareth Sadler specialises in Gastroenterology in London, GB. 26 years of clinical experience.

  • What conditions does Gareth Sadler treat?

    Gareth Sadler treats conditions within Gastroenterology. View the full conditions-treated list on the profile.

  • Where does Gareth Sadler practise?

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

  • What languages does Gareth Sadler speak?

    Gareth Sadler speaks English.

  • How do I book an appointment with Gareth Sadler?

    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.

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