Professor John Deanfield

Professor John Deanfield

BA Hons (Canteb), BChir MB, MRCP, FRCP

Cardiology, Paediatrics (Pediatrics)

Offers video consultation
47 years of experience
8 years as a specialist

Overall Rating

Overall Experience


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Top feedback

“Excellent and knowledgeable care“
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  • Congenital Heart Disease
  • Preventative Cardiology
  • Heart Muscle Disease/Cardiomyopathy
  • Paediatric (Pediatric) Cardiology
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Languages spoken

  • English
  • Greek
  • French
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Registered with

  • General Medical Council: 2239118
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    Consultation fees

    New appointment: £250

    Follow-up appointment: £250

    Practices worked at

    The Harley Street Clinic

    35 Weymouth Street, london, United Kingdom, W1G 8BJ
    1,641 reviews

    The Portland Hospital

    212 Great Portland Street, London, United Kingdom, W1W 5QT
    1,482 reviews


    Professor John Deanfield works at the University College London and has an interest in paediatric cardiology with a particular focus on endothelial function and congenital heart disease.

    He graduated from the University of Cambridge in 1975 and underwent clinical training at Middlesex Hospital, London, and postgraduate training in paediatric cardiology at Great Ormond Street Hospital and adult cardiology at Hammersmith Hospital. He was appointed as a Consultant in 1984 and has over 34 years of consultant experience. He is a Fellow of the Royal College of Physicians, the European Society of Cardiology and the American College of Cardiology.

    It is important that HCA is transparent about our relationship with those doctors who provide us with clinical guidance on delivering the best possible care to patients and operating our hospitals safely and efficiently. We set out here some of the ways in which we work together and the amount we pay this doctor for such services.


    • 24 Hour Blood Pressure Monitor
    • Calcium Coronary Score
    • Cardiac MRI
    • ECG (Electrocardiogram)
    • ECG Monitor
    • Echocardiogram
    • Exercise Testing in Children
    • Fetal Cardiology
    • Screening for Congenital Heart Defect (CHD)
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    Special interests

    • Adult Congenital Heart Disease
    • Acute Coronary Syndrome (ACS)
    • Arrhythmia (Irregular Heartbeat)
    • Atherosclerosis
    • Atrial Septal Defects (ASD)
    • Bradycardia
    • Cardiomyopathy
    • Cardiovascular Disease
    • Congestive Heart Failure
    • Dizziness
    • Heart Attack
    • Heart Failure
    • Heart Murmurs
    • Heart Muscle Disease
    • Hypertrophic Cardiomyopathy
    • Long QT Syndrome
    • Loss of Consciousness (Syncope)
    • Paediatric (Pediatric) Congenital Heart Disease (CHD)
    • Palpitations
    • Pulmonary Hypertension
    • Tachycardia
    • Transposition of the Great Vessels
    • Valvular Heart Disease
    • Ventricular Fibrillation
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    BA Hons (Cantab)

    MB BChir - University of Cambridge, UK in 1975

    FRCP - Royal College of Physicians, UK

    FESC - European Society of Cardiology

    FACC - American College of Cardiology, USA

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