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Dr John M Walker

Cardiologie London

Dr John M Walker

4 ans d'expérience

10,046+
Patients seen
4
Years in practice
9
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr John M Walker at a glance

Dr John M Walker is a Cardiologie practitioner based in London, Royaume-Uni, practising at Universidad de Navarra Teaching Hospital. They have 51+ years of clinical experience. Procedures focus on cardiac consultation, echocardiogram, stress test, holter monitor, coronary angiography. Educated at Universidad de Navarra (MD, 2018). Serves patients in London, Royaume-Uni and the surrounding area.

À propos

Dr John Walker is a Consultant Cardiologist at The Harley Street Clinic, HCA UK at University College Hospital and for the Barts Health NHS Trust. He specialises in cardiac rehabilitation, cardiovascular disease associated with inherited haemoglobinopathies - Thalassaemia and Sickle Cell disease.
He graduated from the University of Birmingham (honours in pre-clinical sciences) before specialising in cardiology at St.Thomas' Hospital & the Brompton Hospital, London and at the John Radcliffe Hospital, Oxford. His MD in 1983 involved studying the mechanical performance of human heart muscle. In 1987 he was appointed as Consultant Cardiologist to University College and the Middlesex Hospitals.
As a consequence of his interest in patients with inherited diseases of haemoglobin, he established The Thalassaemia and Sickle Cardiac Centre at the Hatter Cardiovascular Institute, UCLH. This was the world's first cardiology clinic dedicated to diagnosing and treating young patients with inherited haemoglobinopathies.
Dr Walker is highly active in clinical research, with more than 60 publications in scientific and medical journals. He has made numberous book contribitions, including authorship of the cardiovascular disease chapeters of a major English language textbook of medicine. He was the Treasurer and then President of the British Association of Cardiovascular Rehabilitation from 2001 to 2006, as well as a Council member of the British Cardiovascular Society.

Diseases, Medical Tests and TreatmentsCardia Magnetic Resonance Scan (cardaic MRI)
ECG (electrocardiogram)
Paediatric congenital heart disease (CHD)

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

— Dr John M Walker

Formation et études

  1. 2012–2018 MD · Medicine and Surgery
    Universidad de Navarra, London (GB)
  2. 2018–2022 Residency · Cardiologie
    Universidad Complutense de Madrid, London (GB)
  3. 2022–2023 Fellowship · Subspecialty training
    AP-HP Paris, FR

Carrière et postes

  1. 2022-09–2023-08 Junior consultant
    Universidad de Navarra Teaching Hospital — Cardiologie

Licences et assurance

Licences médicales

GB — Organización Médica Colegial de España (OMC)
#GB-94998 active · expires 2028-12-31

Certifications du conseil

European Board of Cardiologie
#EB-5BF467BE · issued 2023 · renewal 2033
Assurance responsabilité professionnelle : Generali Healthcare · 2,000,000 EUR couverture · No claims on file

Procédures réalisées

ProcédureCodeTotal à vie
Cardiac consultation 99244 2,572
Echocardiogram 93306 1,291
Stress test 93015 1,885
Holter monitor 93225 232
Coronary angiography 93454 2,463
PCI / coronary stent 92928 785
Pacemaker implantation 33208 2,514

Services et tarifs

ServiceDuréeModalitéPrix
New patient consultation (60m) 60 min in_clinic|telemed 240.00 EUR
Follow-up consultation (30m) 30 min in_clinic|telemed|phone 120.00 EUR
Stress test 90 min in_clinic 840.00 EUR
Holter monitor 120 min in_clinic 240.00 EUR
Coronary angiography 30 min in_clinic 600.00 EUR
PCI / coronary stent 90 min in_clinic 360.00 EUR

Cabinet, équipe & en pratique

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

Vidéos

introduction · 83s
Meet John M Walker

Recherche et publications

indice h : 12 · i10 : 12

  1. European registry analysis of Cardiologie outcomes
    John M Walker, et al. · JACC, 2025
    DOI: 10.2154/euroclin.2025.0 · PMID: 36403505 · cité par 142
  2. Outcomes of Cardiologie in adults — a multi-centre cohort
    John M Walker, et al. · European Heart Journal, 2024
    DOI: 10.8198/euroclin.2024.1 · PMID: 33953928 · cité par 60
  3. European registry analysis of Cardiologie outcomes
    John M Walker, et al. · JACC, 2023
    DOI: 10.6380/euroclin.2023.2 · PMID: 30016405 · cité par 194

Conférences invitées

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

Récompenses et adhésions

Récompenses

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

Adhésions à des sociétés

  • European Society of Cardiology (ESC) — Member · Depuis 2023
  • American Heart Association (AHA) — Member · Depuis 2023
  • EAPCI — Member · Depuis 2023
  • European Union of Medical Specialists (UEMS) — Member · Depuis 2023

Articles de ce médecin

  • Patient education Patient guide to Cardiologie
  • Awareness When should you see a cardiologie?

Pour les patients internationaux

Coordinateur
Patient liaison · dr.john.malcom.walker@euroclinics.example

Emplacement

1 balise

Avis des patients

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Avis récents

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

SPECIALTIES & PROCEDURES

Dr John M Walker's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr John M Walker treats, with the size of the national pool of Royaume-Uni doctors offering the same care.

Cardiologie

Heart-rhythm, coronary and structural-heart problems including chest pain, palpitations, hypertension and heart failure.

Dr John M Walker is one of 1,358 cardiologie doctors indexed in Royaume-Uni. Browse cardiologie doctors in Royaume-Uni →

LOCAL CARE CONTEXT

Why local healthcare in London matters

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

Questions fréquentes

Réponses rapides aux questions que les patients posent le plus. Les mêmes réponses sont transmises aux assistants IA via les données structurées.

  • What does John M Walker specialise in?

    John M Walker specialises in Cardiologie in London, GB. 51 years of clinical experience.

  • What conditions does John M Walker treat?

    John M Walker treats conditions within Cardiologie. View the full conditions-treated list on the profile.

  • Where does John M Walker practise?

    John M Walker practises in London, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does John M Walker speak?

    John M Walker speaks English.

  • How do I book an appointment with John M Walker?

    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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