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Dr Jonathan ByrneCardiology in Central London
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Dr Jonathan Byrne

Cardiology in Central London

PhD MB ChB MRCP
GMC: 4183161

5.096reviewsReview

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Expert in:
Coronary heart disease
Arrhythmia
Hypertension (high blood pressure)
Valvular heart disease
Angina
Coronary angioplasty
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Professional statement

Dr Jonathan Byrne is a leading interventional cardiologist who specialises in the treatment of coronary artery disease. He is an expert in the treatment of patients with angina, heart failure, heart rhythm disturbances and high blood pressure. He practises at the Cleveland Clinic, King's Private, OneWelbeck and the Sloane Hospital, all located in London. He also practises at the King's College Hospital NHS Foundation Trust, where he is the Clinical Director of Cardiovascular Services.

Dr Byrne treats patients with valvular heart disease using new treatments which do not require an operation, such as TAVI (transcatheter aortic valve implantation) and MitraClip (percutaneous treatment of the mitral valve).
 
He is also highly experienced in a number of imaging tests for the heart, including transoesophageal echocardiography and cardiac CT scanning.
 
Dr Byrne completed his undergraduate medical training at the University of Bristol, receiving his MB ChB in 1995. He then continued general professional medical training in South East England and London, where he received his MRCP in 1999. He then completed his PHD at the academic department of Cardiology at King’s College Hospital, examining molecular mechanisms underlying left ventricular hypertrophy. Dr Byrne continued his training in interventional cardiology at King’s College Hospital from 2004. He went on to become a Boston Scientific sponsored Interventional Fellow on Vancouver Island, Canada.
 
Since appointment as a consultant in July 2008, Dr Byrne has also been involved in the development of the structural programme at King’s College Hospital, with the use of novel percutaneous techniques to treat aortic and mitral valve disease.
 
He is a member of the British Cardiovascular Intervention Society, the British Cardiovascular Society, the Royal Society of Medicine (Cardiology), the British Heart Valve Association and the Medical Defence Union.
 
When he is not treating patients, Dr Byrne carries out research on different cardiology treatments.

Clinics

Cleveland Clinic London
  • Cleveland Clinic London profile image

    London Cardiac & Vascular Associates

    Central London, 33 Grosvenor Pl, London SW1X 7HY

    Medical insurances accepted

    I'm paying for myself
    Bupa
    AXA
    AVIVA
    Cigna
    WPA
    Simply Health
    Allianz

Credentials

Professional experience

  • 31 years of experience
  • Clinical Director of Cardiovascular Services, King's College Hospital (2015 - present)
  • Consultant Cardiologist, King's College Hospital (2008 - present)
  • Consultant Cardiologist, Cleveland Clinic (April 2022 - present)
  • Consultant Cardiologist, OneWelbeck (present)
  • Consultant Cardiologist, Sloane Hospital (present)
View more

Subspecialties

  • Interventional Cardiology (Coronary Angioplasty)
  • TAVI (Transcatheter Aortic Valve Implantation)
  • CT Coronary Angiography
  • Transoesophageal Echocardiography
  • MitraClip
View more

Professional memberships

  • British Cardiovascular Society
  • British Cardiovascular Intervention Society
  • British Heart Valve Society
  • Royal Society of Medicine (Cardiology)
View more

Education

  • MB ChB (University Of Bristol) 1995
  • MRCP (London) 1999
  • PhD (University Of London) 2004
  • FRCP (London) 2012
View more

Publications and conferences

  • Puri R, Byrne J, Muller R, Baumbach H, Eltchaninoff H, Redwood S, Cheema A, Dubois C, Ihlberg L, Wijeysundera HC, Cerillo A, Gotberg M, Klaaborg KE, Pelletier M, Blanco-Mata R, Edwards R, Gandolfo C, Muir D, Meucci F, Sinning J-M, Stella P, Veulemans V, Virtanen M, Regueiro A, Thoenes M, Pibarot P, Pelletier-Beaumont E, Rodes-Cabau J.Transcatheter aortic valve implantation in patients with small aortic annuli using a 20 mm balloon-expanding valve Heart 2017;103:148-53
  • Garot P R, Morice MC, Tresukosol D, Pocock S, Meredith IT, Abozaid A, Carrie D, Naber C, Iniguez A, Talwar S, Menown IB, Christiansen EH, Gregson J, Copt S, Hovasse T, Lurz P, Maillard L, Krackhardt F, Ong P, Byrne J, Redwood S, Windhovel U, Greene S, Stoll HP, Urban P. 2-year outcomes of high bleeding risk after polymer-free drug-coated stents. J Am Coll Cardiol 2017;69:162-71
  • Rampat R, Khawaja MZ, Byrne J, MacCarthy P, Blackman DJ, Krishnamurthy A, Gunarathne A, Kovac J, Banning A, Kharbanda R, Firoozi S, Brecker S, Redwood S, Bapat V, Mullen M, Aggarwal S, Manoharan G, Spence MS, Khogali S, Dooley M, Cockburn J, de Belder A, Trivedi U, Hildick-Smith D. Transcatheter Aortic Valve Replacement Using the Repositionable LOTUS Valve: United Kingdom Experience. JACC Cardiovasc Interv. 2016 Feb 22;9(4):367-72. 
  • Scott P, Sirker A, Dworakowski R, Jahagirdar N, Melikian N, Byrne J. FFR in the Transradial Era- can we leave the femoral out of it? J Am Coll Cardiol Interv, 2015:8:527-35
  • Showkathali R, Chelliah R, Brickham B, Dworakowski R, Alcock E, Deshpande R, Wendler O, MacCarthy P, Byrne J.Multi-disciplinary clinic: next step in “”Heart Team’’ approach for TAVI. Int J Cardiol 2014;174:453- 5.
  • Calvert PA, Cockburn J, Wynne D, Ludman P, Rana BS, Northridge D, Mullen MJ, Malik I, Turner M, Khogali S, Veldtman GR, Been M, Butler R, Thomson J, Byrne J, MacCarthy P, Morrison L, Shapiro LM, Bridgewater B, de Giovanni J, Hildick-Smith D.Percutaneous closure of post-infarction Ventricular Septal Defect: In-hospital outcomes and log-term follow-up of UK experience Circulation 2014; 129:2395-402
  • Aung N, Dworakowski R, Byrne J, Alcock E, Deshpande R, Rajagopal K, Brickham B, Monaghan MJ, Okonko DO, Wendler O, Maccarthy PA.Progressive rise in red cell distribution width is associated with poor outcome after transcatheter aortic valve implantation. Heart. 2013 Sep;99(17):1261-6.
  • Dworakowski R, Wendler O, Bhan A, Smith L, Pearson P, Alcock E, Rajagopal K, Brickham B, Dew T, Byrne J, Monaghan MJ, Sherwood R, Shah AM, MacCarthy PA. Successful transcatheter aortic valve implantation (TAVI) is associated with transient left ventricular dysfunction. Heart 2012;98:1641-6.
  • Cubbon RM, Gale CP, Kearney LC, Schechter CB, Brooksby WP, Nolan J, Fox KA, Rajwani A, Baig W, Groves D, Barlow P, Fisher AC, Batin PD, Kahn MB, Zaman AG, Shah AM, Byrne JA, Lindsay SJ, Sapsford RJ, Wheatcroft SB, Witte KK, Kearney MT. Changing charactersistics and mode of death associated with chronic heart failure caused by left ventricualr systolic dysfunction: a study across therapeutic eras. Circ Heart Fail 2011;4:396-403.
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Languages spoken

  • English
  • French
Registration number: 4183161

Reviews

Overall Rating

96 total reviews

5.0

  • ReviewsTOPDOCTORS

    73 reviews

  • ReviewsiWantGreatCare

    23 reviews

All reviews are from real patients and have been verified by our Customer Service department to ensure they meet our guidelines. Rules of the service

73 reviews

5.0

Review this doctor
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  • Dr Byrne is extremely understanding, professional and goes out of his way to ensure you have the best possible care and treatment. From my own experience, with a valve replacement, repair and on going advice, Dr Byrne has allowed me to have many more years.
    3 November 2025

    V.H.

    Verified patient
  • Excellent care and attention from Dr Byrne
    22 October 2025

    J.C.

    Verified patient
  • A professional, friendly, caring and extremely competent Doctor, with an excellent Secretary,, Liz. The Cleveland Clinic cannot be faulted
    21 October 2025

    L.H.

    Verified patient
  • 21 October 2025

    G.P.

    Verified patient
  • 21 October 2025

    D.W.

    Verified patient
  • His analysis and comments are very clear and precise.
    21 October 2025

    E.O.

    Verified patient
  • 20 October 2025

    V.K.

    Verified patient
  • Very straightforward advice given by Dr Byrne who cuts through the medical jargon to carefully and simply diagnose your issues and evolve good solutions. A very user-friendly professional with whom you can build a good rapport and trust.
    20 October 2025

    R.D.

    Verified patient
  • Top notch experience all round...
    20 October 2025

    B.A.

    Verified patient
  • Dr Byrne was very professional, patient and clear about his findings. It was a pleasant experience.
    20 October 2025

    J.B.

    Verified patient
View all reviews

Treatments

The doctor is expert in

Angina

Arrhythmia

Coronary angioplasty

Coronary heart disease

Hypertension (high blood pressure)

Valvular heart disease

The doctor also specialises in:

Ambulatory ECG monitoring

Ambulatory blood pressure monitoring

Angiography

Anxiety

Aortic stenosis

Aortic valve replacement (minimally invasive)

Atherosclerosis

Atrial Fibrillation

Bicuspid aortic valve

Blood pressure test

Frequently Asked Questions

What is Dr Jonathan Byrne's specialty?

Dr Jonathan Byrne is a consultant specialising in Cardiology, with extensive experience in assessing and treating patients within this field.

Which conditions and treatments does Dr Jonathan Byrne specialise in?

Dr Jonathan Byrne is a cardiologist who provides assessment and treatment for Arrhythmia, Hypertension (high blood pressure), Angina, Coronary heart disease, Valvular heart disease and Coronary angioplasty. During your consultation, you will be informed of the most suitable options following a personalised evaluation.

How many years of experience does Dr Jonathan Byrne have?

Dr Jonathan Byrne has 31 years of professional experience as a consultant cardiologist, providing specialist assessment and treatment in this medical field.

What do patients say about Dr Jonathan Byrne?

Patients give a rating of 5.0 out of 5 to Dr Jonathan Byrne, a score considered excellent. This average is based on 96 verified patient reviews, reflecting the experience of those who have attended an appointment.

Are Dr Jonathan Byrne's reviews verified?

Yes. All Dr Jonathan Byrne's reviews come from verified patients who have attended either an in-person or an e-Consultation appointment. We use a system that ensures authenticity and prevents fake reviews. Some profiles may also display reviews from other platforms, which follow their own verification policies, with the source always clearly indicated.

Where does Dr Jonathan Byrne practise?

Dr Jonathan Byrne practices in the following locations:

  • Central London at 33 Grosvenor Pl, London SW1X 7HY
  • Central London at Denmark Hill, Brixton

In-person consultations are available at these locations as a Cardiology.

How can I book an appointment with Dr Jonathan Byrne?

You can book an appointment with Dr Jonathan Byrne directly from this page by selecting the time that suits you best. Alternatively, you can call the phone number shown if you prefer personalised assistance.

Does Dr Jonathan Byrne see NHS patients?

Many specialists featured on Top Doctors also hold NHS positions. However, appointments arranged for Dr Jonathan Byrne through this platform are private, either self-pay or covered by private medical insurance.

Does Dr Jonathan Byrne offer private appointments?

Yes, Dr Jonathan Byrne offers private appointments for patients seeking flexible and direct access to a consultant cardiologist.

Does Dr Jonathan Byrne offer online consultations?

Yes, Dr Jonathan Byrne offers online consultations. You can book an appointment directly from this page by selecting the date and time that suit you best. Personalised assistance is also available by calling the number displayed on this page.

Does Dr Jonathan Byrne accept insurance?

Dr Jonathan Byrne works with the following private medical insurance providers: Bupa, AXA, AVIVA, Cigna, WPA, Simply Health, Allianz, Vitality, The Exeter Friendly, Pru Health, Freedom, National Assurance, General Medical, Saga, Healix, Legal & General Insurance and Health-online. If your insurer is not listed, you may contact the practice directly to confirm your coverage.

What is Dr Jonathan Byrne's availability?

Dr Jonathan Byrne's availability depends on the appointment slots open at any given time. On this page, you can check current availability, and if no slots are shown, you can request an appointment or contact the practice directly.

What payment methods does Dr Jonathan Byrne offer?

You can pay for your consultation with Dr Jonathan Byrne using the following methods: Self-paying or Prepaid.

What languages does Dr Jonathan Byrne speak?

Dr Jonathan Byrne is a cardiologist who offers consultations in English and French.

How is Dr Jonathan Byrne selected to appear on this platform?

All doctors listed on Top Doctors, including Dr Jonathan Byrne, undergo our rigorous selection process. Only one in five specialists meets the required standards to be included.
Discover Top Doctors' rigorous medical selection process.
The doctor, or where applicable the hospital or medical centre in which the doctor provides services, undertakes to keep the information relating to the prices of services published on their profile on the Top Doctors platform up to date at all times, ensuring that such prices correspond to those effectively charged to patients. In the event of any discrepancy between the published price and the price ultimately charged to the patient, the doctor and/or the relevant hospital or medical centre shall be solely liable towards the patient and towards Top Doctors for any claim or financial difference arising therefrom.

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London Cardiac & Vascular AssociatesCentral London, 33 Grosvenor Pl, London SW1X 7HY
Payment methodSelf-paying
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