Professor John Deanfield

Professor John Deanfield

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

Cardiology, Paediatrics (Pediatrics)

46 years of experience
8 years as a specialist
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Top feedback

“I've been visiting Professor Deanfield for 25 years and had 3 operations with him. Fully satisfied and trust him 100%“
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  • Congenital Heart Disease
  • Heart Muscle Disease/Cardiomyopathy
  • Paediatric (Pediatric) Cardiology
  • Preventative 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 Portland Hospital

    212 Great Portland Street, London, United Kingdom, W1W 5QT
    1,387 reviews

    The Harley Street Clinic

    35 Weymouth Street, london, United Kingdom, W1G
    1,123 reviews


    John Deanfield is a Professor of Cardiology (University College London) specialising in congenital heart disease (children and adults), and screening of risk factors to prevent cardiovascular disease. He has a particular interest in paediatric cardiology. He focusses mainly on congenital heart disease and endothelial function.

    Professor Deanfield qualified in 1975 from the University of Cambridge, where he also completed his training. He also undertook training at Middlesex Hospital in London, as well as Hammersmith Hospital and Great Ormond Street Hospital.

    He holds memberships with many professional organisations, and he is a member of many editorial boards for cardiovascular journals. He has also published his research and work in numerous peer-reviewed journals. He actively undertakes research and his main area of focus is on vascular medicine. Professor Deanfield has also been successfully awarded many prizes throughout his career, including the Churchill College Anatomy Award.

    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.

    Diseases, Medical Tests and Treatments
    • Screening for congenital heart defects in children and adults
    • Foetal screening for cardiac problems
    • Screening and treatment of congenital heart disease (children and adults)
    • On-going care of Grown Up Congenital Heart Disease (GUCH)
    • Endothelial function
    • Atherosclerosis
    • Prevention
    • Risk profile (familial)


    • 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

    • Acute Coronary Syndrome (ACS)
    • Adult Congenital Heart Disease
    • 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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    • Qualifications: BA Hons (Cantab) MB BChir FRCP FESC FACC 
    • 1972: University of Cambridge 
    • 1975: Middlesex Hospital Medical School, London  
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