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Dr John Martin
✓ Verified Trust score 96/100 Accepting new patients

Dr

Dr John Martin

Gastroenterology

4.89 · 129 verified reviews

English
11,915+ Patients seen
15 Years in practice
6 Publications
1 Languages spoken

About

Dr John Martin is a Consultant Gastroenterlogist at Imperial Healthcare Trust.

John qualified from Cambridge University and King's College Hospital in 1990 and trained in gastroenterolgy within Northwest Thames. He was appointed as a consultant at Chelsea and Westminster Hospital in 2002 before moving to Charing Cross Hospital in 2006.

John has a vast experience in all aspects of gastroenterology including investigation and management of Inflammatory Bowel Disease and Irritable Bowel Syndrome.

John has a specialist interest in Bowel Cancer Screening, the subject of his MD awarded by the University of London in 2002. He is Director of the West London Bowel Cancer Screening Centre and the National Advisor to Public Health England for endoscopy witin the Bowel Cancer Screening Programme.

John is an expert colonosocpist, performing high quality, safe, comfortable procedures and is accredited to perform colonoscopy within the Bowel Cancer Screening Programme. He provides extensive training to junior doctors within his NHS practice, teaches colonoscopy on National Training Courses and is an examiner for colonoscopy acceditation within the Bowel Cancer Screening programme.

Diseases, Medical Tests and TreatmentsUpper GI Endoscopy

Colonoscopy

Bowel cancer screening

Advanced therapeutic colonoscopy

Capsule endoscopy

Abdominal pain

Diarrhoea or constipation

Rectal bleeding

Bloating

Swallowing dificulties

Nausea or vomiting

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

— Dr John Martin

Education & training

  1. 2001–2007 MD · Medicine and Surgery
    Universitat de València
  2. 2007–2011 Residency · Gastroenterology
    Universitat de Barcelona

Career & appointments

  1. 2011-09–2012-08 Junior consultant
    Universitat de València Teaching Hospital — Gastroenterology

Licenses & insurance

Medical licenses

— Organización Médica Colegial de España (OMC)
#-88650 active · expires 2028-12-31

Board certifications

European Board of Gastroenterology
#EB-50045950 · issued 2012 · renewal 2022
Malpractice insurance: AXA Healthcare Liability · 4,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 2,152
Annual physical exam 99395 2,622
Vaccination administration 90471 2,414
Minor procedure (skin) 17110 1,545

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 630.00 EUR
Minor procedure (skin) 90 min in_clinic 720.00 EUR

Office, team & in practice

John Martin
HEADSHOT
John Martin in consultation
IN OFFICE
John Martin with the team
WITH TEAM
John Martin at a conference
CONFERENCE

Videos

introduction · 78s
Meet John Martin

Research & publications

h-index: 11 · i10: 7

  1. Validation of clinical scoring in Gastroenterology
    John Martin, et al. · European Journal of Medicine, 2026
    DOI: 10.2270/euroclin.2026.0 · PMID: 36822048 · cited by 176
  2. Long-term follow-up of Gastroenterology across
    John Martin, et al. · European Journal of Medicine, 2025
    DOI: 10.2988/euroclin.2025.1 · PMID: 36124744 · cited by 114
  3. Validation of clinical scoring in Gastroenterology
    John Martin, et al. · European Journal of Medicine, 2024
    DOI: 10.8914/euroclin.2024.2 · PMID: 36552019 · cited by 196

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

Society memberships

  • WONCA Europe — Family Doctors — Member · since 2012
  • national college of family doctors — Member · since 2012
  • European Union of Medical Specialists (UEMS) — Member · since 2012

Patient reviews

★ 4.89 129 verified reviews
Bedside Manner
4.94
Knowledge
4.97
Wait Time
4.64
Staff Friendliness
4.91
Ease Of Appointment
4.79
Value For Money
4.81
Would Recommend Pct
97
  • ★ 5 verified visit

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

    — Anna B. · 2026-05-17

  • ★ 5 verified visit

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

    — Marco V. · 2026-04-24

  • ★ 4 verified visit

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

    — Helena F. · 2026-04-27

Articles by this doctor

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

For international patients

Coordinator
Patient liaison · john.martin@euroclinics.example
Accepted intl insurance
Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

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