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Dr Clive Onnie

Gastroenterología London

Dr Clive Onnie

11 años de experiencia

10,960+
Patients seen
11
Years in practice
10
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr Clive Onnie at a glance

Dr Clive Onnie is a Gastroenterología practitioner based in London, Reino Unido, practising at Universidad de Navarra Teaching Hospital. They have 30+ years of clinical experience. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Universidad de Navarra (MD, 2011). Serves patients in London, Reino Unido and the surrounding area.

Acerca de

Dr Clive Onnie is a Consultant Gastroenterologist at the Whittington Hospital NHS Trust since 1997. He qualified from The London Hospital Medical School with distinction and continued his postgraduate training at St Mark's Hospital and Guys and St Thomas Hospital. He undertook a Masters in Medical Science at the Hammersmith hospital and obtained his PhD from Kings College, London, studying the genetics of inflammatory bowel disease. He was awarded a Digestive Diseases Foundation Research Fellowship. Dr Onnie is also Honorary Senior Lecturer at the University College London Medical School and the medical adviser to the North London Chapter of the Crohn's and Colitis UK Organisation.

Dr Onnie sees patients with all aspects of general gastroenterology conditions. He is an expert in the management of inflammatory bowel disease, irritable bowel syndrome, dyspepsia and reflux. He applies a holistic approach to the treatment of bowel problems, combining conventional and alternative medicine with particular emphasis on the importance of diet.

Dr Onnie is actively involved in research and is particularly focused on the genetics of inflammatory bowel disease and colorectal cancer. He has published extensively in some of the most renowned medical journals and has also co-authored several book chapters.














Diseases, Medical Tests and Treatments
Gastroscopy OGD

Colonoscopy

Flexible sigmoidoscopy

ERCP

Video capsule endoscopy


Irritable Bowel Syndrome (IBS)

Inflammatory Bowel Disease (IBD)

Reflux

Dyspepsia

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

— Dr Clive Onnie

Educación y formación

  1. 2005–2011 MD · Medicine and Surgery
    Universidad de Navarra, London (GB)
  2. 2011–2015 Residency · Gastroenterología
    Universidad de Navarra, London (GB)

Carrera y nombramientos

  1. 2015-09–2016-08 Junior consultant
    Universidad de Navarra Teaching Hospital — Gastroenterología

Licencias y seguros

Licencias médicas

GB — Organización Médica Colegial de España (OMC)
#GB-83598 active · expires 2028-12-31

Certificaciones del consejo

European Board of Gastroenterología
#EB-E96D08DE · issued 2016 · renewal 2026
Seguro de responsabilidad profesional: Generali Healthcare · 3,000,000 EUR cobertura · No claims on file

Procedimientos realizados

ProcedimientoCódigoTotal acumulado
GP consultation 99213 1,330
Annual physical exam 99395 380
Vaccination administration 90471 2,916
Minor procedure (skin) 17110 2,187

Servicios y precios

ServicioDuraciónModalidadPrecio
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 270.00 EUR
Minor procedure (skin) 90 min in_clinic 360.00 EUR

Consulta, equipo y en práctica

Clive Onnie
HEADSHOT
Clive Onnie in consultation
IN OFFICE
Clive Onnie with the team
WITH TEAM
Clive Onnie at a conference
CONFERENCE

Vídeos

introduction · 105s
Meet Clive Onnie

Investigación y publicaciones

índice h: 5 · i10: 8

  1. Long-term follow-up of Gastroenterología across GB
    Clive Onnie, et al. · European Journal of Medicine, 2026
    DOI: 10.2027/euroclin.2026.0 · PMID: 31853776 · citado por 34
  2. Validation of clinical scoring in Gastroenterología
    Clive Onnie, et al. · European Journal of Medicine, 2025
    DOI: 10.5816/euroclin.2025.1 · PMID: 30567514 · citado por 112

Conferencias invitadas

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

Premios y afiliaciones

Premios

  • 🏆 Top-rated Gastroenterología — London · EuroClinics Patient Choice · 2025 · regional

Membresías en sociedades

  • WONCA Europe — Family Doctors — Member · Desde 2016
  • national college of family doctors — Member · Desde 2016
  • European Union of Medical Specialists (UEMS) — Member · Desde 2016

Artículos de este doctor

  • Patient education Patient guide to Gastroenterología
  • Awareness When should you see a gastroenterología?

Para pacientes internacionales

Coordinador
Patient liaison · dr.clive.onnie@euroclinics.example

Ubicación

1 etiqueta

Reseñas de pacientes

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Reseñas recientes

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

SPECIALTIES & PROCEDURES

Dr Clive Onnie's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Clive Onnie treats, with the size of the national pool of Reino Unido doctors offering the same care.

Gastroenterología

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

Dr Clive Onnie is one of 792 gastroenterología doctors indexed in Reino Unido. Browse gastroenterología doctors in Reino Unido →

LOCAL CARE CONTEXT

Why local healthcare in London matters

Medical practice in Reino Unido is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant Reino Unido 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 Reino Unido.

Preguntas frecuentes

Respuestas rápidas a las preguntas que más hacen los pacientes. Las mismas respuestas se entregan a los asistentes de IA mediante datos estructurados.

  • What does Clive Onnie specialise in?

    Clive Onnie specialises in Gastroenterología in London, GB. 30 years of clinical experience.

  • What conditions does Clive Onnie treat?

    Clive Onnie treats conditions within Gastroenterología. View the full conditions-treated list on the profile.

  • Where does Clive Onnie practise?

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

  • What languages does Clive Onnie speak?

    Clive Onnie speaks English.

  • How do I book an appointment with Clive Onnie?

    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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