What does Niall Keenan specialise in?

Niall Keenan specialises in Kardiologie in Bushey, GB. 25 years of clinical experience.

What conditions does Niall Keenan treat?

Niall Keenan treats conditions within Kardiologie. View the full conditions-treated list on the profile.

Where does Niall Keenan practise?

Niall Keenan practises in Bushey, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

How do I book an appointment with Niall Keenan?

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 Niall Keenan?

Niall Keenan has a verified rating of 4.96/5 from 35 patient reviews. Read the most recent reviews on the profile page.

Verifiziert Kardiologie Bushey

Dr Niall Keenan

5 Jahre Erfahrung 5.0 (35 verifizierte Bewertungen)

8,858+
Patients seen: 5
Years in practice: 5
Publications: 1
Languages spoken

PROFILE SUMMARY

About Dr Niall Keenan at a glance

Dr Niall Keenan is a Kardiologie practitioner based in Bushey, Vereinigtes Königreich, practising at Universitat de València Teaching Hospital. They have 25+ years of clinical experience. Procedures focus on cardiac consultation, echocardiogram, stress test, holter monitor, coronary angiography. Educated at Universitat de València (MD, 2017). Serves patients in Bushey, Vereinigtes Königreich and the surrounding area.

Über uns

Dr. Niall Keenan is a consultant cardiologist and Divisional Director for Medicine at West Herts Teaching Hospitals NHS Trust, as well as an Honorary Clinical Senior Lecturer at Imperial College, London. He treats a wide range of heart conditions such as coronary artery disease, high blood pressure, and arrhythmias, with a special focus on heart failure and valvular heart disease. He also evaluates patients with symptoms like chest pain, breathlessness, palpitations, and blackouts, using non-invasive tests including echocardiography, stress echo, cardiac CT, and cardiac MRI at Spire Bushey Hospital.
Dr. Keenan qualified from Oxford University in 2001 and then trained in cardiology and general medicine in London. He has completed specialised training in cardiac MRI at the Royal Brompton Hospital, in cardiac CT at the London Chest Hospital, and in echocardiography at both Hammersmith Hospital in London and Hospital Bichat in Paris. He has also undertaken advanced training in heart failure at Harefield Hospital.
He is the President Elect of the British Society for Cardiovascular Magnetic Resonance and has served twice on the guidelines committee of the European Association of Cardiovascular Imaging. In NHS England, he chairs the clinical advisory group for virtual wards in the East of England and sits on the national advisory group for virtual wards.
Dr. Keenan is known for his caring and holistic approach. He places great emphasis on listening to his patients, performing thorough assessments, offering clear explanations, and involving patients in shared decision-making.

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

LinkedIn Doximity ORCID Twitter

Ausbildung & Training

2011–2017 MD · Medicine and Surgery
Universitat de València, Bushey (GB)
2017–2021 Residency · Kardiologie
UAB Barcelona, Bushey (GB)
2021–2022 Fellowship · Subspecialty training
AP-HP Paris, FR

Karriere & Anstellungen

2021-09–2022-08 Junior consultant
Universitat de València Teaching Hospital — Kardiologie

Lizenzen & Versicherung

Medizinische Lizenzen

GB — Organización Médica Colegial de España (OMC)

#GB-328962 active · expires 2028-12-31

Facharztzertifikate

European Board of Kardiologie

#EB-8F0E5774 · issued 2022 · renewal 2032

Berufshaftpflichtversicherung: Allianz Professional · 2,000,000 EUR Deckung · No claims on file

Durchgeführte Verfahren

Verfahren	Code	Lebenszeit-Anzahl
Cardiac consultation	99244	1,542
Echocardiogram	93306	1,465
Stress test	93015	191
Holter monitor	93225	618
Coronary angiography	93454	757
PCI / coronary stent	92928	2,659
Pacemaker implantation	33208	2,632

Leistungen & Preise

Leistung	Dauer	Modalität	Preis
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	30 Min.	in_clinic	720.00 EUR
Holter monitor	60 Min.	in_clinic	360.00 EUR
Coronary angiography	90 Min.	in_clinic	480.00 EUR
PCI / coronary stent	30 Min.	in_clinic	240.00 EUR

Praxis, Team & in der Praxis

HEADSHOT

Niall Keenan in consultation — IN OFFICE

Niall Keenan at a conference — CONFERENCE

Videos

introduction · 71s

Meet Niall Keenan

Forschung & Publikationen

h-Index: 10 · i10: 14

Outcomes of Kardiologie in adults — a multi-centre cohort
Niall Keenan, et al. · European Heart Journal, 2025

DOI: 10.1602/euroclin.2025.0 · PMID: 39684459 · zitiert von 52
European registry analysis of Kardiologie outcomes
Niall Keenan, et al. · JACC, 2024

DOI: 10.8531/euroclin.2024.1 · PMID: 38317457 · zitiert von 110
Outcomes of Kardiologie in adults — a multi-centre cohort
Niall Keenan, et al. · European Heart Journal, 2023

DOI: 10.3423/euroclin.2023.2 · PMID: 36325421 · zitiert von 48

Eingeladene Vorträge

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

Auszeichnungen & Mitgliedschaften

Auszeichnungen

🏆 Top-rated Kardiologie — Bushey · EuroClinics Patient Choice · 2025 · regional
🏆 Excellence in Patient Care · National Society · 2024 · national
🏆 Young Investigator Award · European Society · 2023 · international

Gesellschaftsmitgliedschaften

European Society of Cardiology (ESC) — Member · Seit 2022
American Heart Association (AHA) — Member · Seit 2022
EAPCI — Member · Seit 2022
European Union of Medical Specialists (UEMS) — Member · Seit 2022

Artikel dieses Arztes

Patient education Patient guide to Kardiologie 2026-03-28 · 11 Min. Lesezeit
Awareness When should you see a kardiologie? 2026-01-01 · 7 Min. Lesezeit

Für internationale Patienten

Koordinator: Patient liaison · dr.niall.keenan.1@euroclinics.example
Akzeptierte internationale Versicherungen: Allianz Worldwide · AXA Global · BUPA Global · Cigna Global

Standort

1 Tag

Bushey

Patientenbewertungen

35 verifizierte Bewertungen

4.96

★★★★⯨

35 Bewertungen

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

Teilen Sie Ihre Erfahrung — Helfen Sie anderen Patienten, den richtigen Arzt zu finden. Bewertung schreiben →

Ihre Bewertung *

★ ★ ★ ★ ★

Zusammenfassung (optional)

Ihre Bewertung * 20 – 4.000 Zeichen

Anzeigename (optional)

Ich bestätige, dass diese Bewertung meine echte Erfahrung widerspiegelt und nicht mit dem Arzt oder einem Konkurrenten verbunden ist.

Einreichungen werden moderiert und können 24-72 Stunden dauern, bis sie öffentlich erscheinen. Patientenidentifizierende Informationen sollten nicht enthalten sein.

Aktuelle Bewertungen

★★★★★ ✓ Verifiziert

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

Anna B. 2026-05-28
★★★★★ ✓ Verifiziert

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

Marco V. 2026-04-21
★★★★☆ ✓ Verifiziert

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

Helena F. 2026-04-06

SPECIALTIES & PROCEDURES

Dr Niall Keenan's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Niall Keenan treats, with the size of the national pool of Vereinigtes Königreich doctors offering the same care.

Kardiologie

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

Dr Niall Keenan is one of 1,358 kardiologie doctors indexed in Vereinigtes Königreich. Browse kardiologie doctors in Vereinigtes Königreich →

LOCAL CARE CONTEXT

Why local healthcare in Bushey matters

Medical practice in Vereinigtes Königreich is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant Vereinigtes Königreich medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in Bushey 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 Bushey or all doctors in Vereinigtes Königreich.

Häufig gestellte Fragen

Schnelle Antworten auf die Fragen, die Patienten am häufigsten stellen. Dieselben Antworten werden über strukturierte Daten an KI-Assistenten weitergegeben.

What does Niall Keenan specialise in?

Niall Keenan specialises in Kardiologie in Bushey, GB. 25 years of clinical experience.
What conditions does Niall Keenan treat?

Niall Keenan treats conditions within Kardiologie. View the full conditions-treated list on the profile.
Where does Niall Keenan practise?

Niall Keenan practises in Bushey, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.
What languages does Niall Keenan speak?

Niall Keenan speaks English.
How do I book an appointment with Niall Keenan?

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 Niall Keenan?

Niall Keenan has a verified rating of 4.96/5 from 35 patient reviews. Read the most recent reviews on the profile page.