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Best Cardiologists in London, UK

100+ results found for 'Cardiology' in London, UK

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Expert in: Cardiology
27 years of experience

Professor Pier David Lambiase is a Consultant Cardiologist currently working at The Harley Street Clinic and The Wellington Hospital. His NHS base is Barts Health NHS Trust. He specialises in the treatment of rhythm disorders and pacemaker implantation. His areas of interests include ablation, implantable devices / device therapy, heart devices, arrhythmias; atrial fibrillation, cardiac electrophysiology and inherited heart rhythm disorders. 

Dr Lambiase graduated from Oxford University in 1992 with a Bachelor or Medicine, Bachelor of Surgery degree. Following graduation trained in General Medicine and Cardiology at St Georges Hospital, London and the Hammersmith Hospital. He undertook a PhD to study the processes which protect the heart from lack of blood supply at St Thomas’ Hospital. He became a Consultant Cardiologist and Senior Lecturer in Electrophysiology at the Heart in 2006.

Dr Lambiase received the award for Young Investigator Award of the British Cardiac Society for his research in 2002. He has co-written Heart Rhythm UK Guidelines on genetic testing and the management of these conditions and has published over 80 peer-reviewed scientific papers. He also has many affiliations and memberships including British Heart Rhythm Society, European Cardiac Society and Educational Steering Committee.


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Expert in: Cardiology
Recommended by 4 specialists
15 years of experience
Interventional Cardiology

Dr. Nijjer ( is an award winning Cardiologist who has an international reputation in coronary physiology.  He works a Consultant Cardiologist at both the Hammersmith Hospital and Chelsea & Westminster Foundation NHS Trust. He is a Honorary Senior Clinical Lecturer at Imperial College London. He undertakes his private practice at 27 Harley Street and also see patients at BMI Syon Clinic, the Cromwell Hospital and the Wellington Hospital.  He also see patients at the private facilities at the Hammersmith Hospital and Chelsea & Westminster Hospital.

Dr Nijjer performs coronary intervention at the catheter suites of both the Hammersmith Hospital and Chelsea & Westminster NHS Foundation Trust.  He also performs procedures at the Cromwell Hospital and the Wellington Hospital.  He provides a full range of invasive procedures for the diagnosis and treatment of coronary artery disease. He is part of the Primary Angioplasty on-call service at the Hammersmith Hospital which provides 24/7 care for patients suffering from a heart attack.

Dr Nijjer is an internationally recognised expert in invasive coronary physiology, an advanced technique which can help guide Cardiologists on when and where a coronary stent is needed. He has performed ground-breaking research into invasive technologies that have changed the field and lead to better treatment of patients around the world.  He is regularly invited as a speaker and faculty at international conferences including the American College of Cardiology and TCT.

Dr. Nijjer studied medicine at the University of Bristol, where he graduated with Honours in 2004 with two undergraduate scholarships and many academic prizes. He was also awarded a First Class Honours degree with prizes in Pharmacology which was supported by the prestigious Wolfson Award from the Royal College of Physicians.  He undertook his Cardiology training at the Hammersmith Hospital and Royal Brompton Hospital.  In his role as Consultant, Dr Nijjer has strived to deliver the best patient care while working across multiple hospital sites in west London. He works closely with General Practitioners, Kidney and Diabetes specialists to ensure the best outcomes for patients with complex needs.

Dr. Nijjer is committed to the better treatment of patients through the development and application of new medical technologies.  His PhD, funded by the Medical Research Council and awarded by Imperial College, involved the development of new techniques (iFR and iFR-pullback) to measure blood flow in coronary arteries with blockages. Dr Nijjer pioneered the use of iFR-pullback to better use coronary stents in patients with many blockages and the iFR technology has now been used in thousands of patients around the world. A recent editorial in the New England Journal of Medicine referred to it as 'the new gold standard' and major international studies are ongoing and Dr Nijjer has worked on the design and running of these complex studies.

Dr. Nijjer possesses clinical expertise in all aspects of cardiology, including treating patients with chest pain, angina, breathlessness on exertion, palpitations or collapse. He has expertise in assessing and treating patients at increased risk of heart disease such as patients with high blood pressure, diabetes or raised cholesterol. He uses all of the latest stress testing techniques and if needed, invasive angiography, coronary stenting, and can implant pacemakers or cardiac monitoring devices when it is needed.

Dr. Nijjer's holistic approach to treatment is one of understanding as he recognises and responds to the fact that an individual's medical issues exist alongside other aspects of their lives, treating any medical conditions in a way that fits the lifestyle of his patients. He utilises the latest guideline-supported cardiac test to ensure his patients are fully investigated in addition to his thorough clinical assessment.

Personal Website for more details

Visit: to read more information on how Dr Nijjer can help you and to read information on common heart tests.

Videos of Dr Nijjer

Visit this link to see Dr Nijjer discussing his practice, his healthcare ethos and how he can help you with your health concerns.

Visit this link to see Dr Nijjer describe his website and the information available regarding cardiac testing and treatment, as well Covid-19.

Visit this link to see Dr Nijjer describing which patients who need coronary angiography.

Visit this link to see Dr Nijjer describing heart artery stenting:

Visit this Youtube link to see Dr Nijjer discussing the management and treatment approach to Atrial Fibrillation - a common heart problem:

Video of Dr Nijjer talking about advances in healthcare technology

Video - Dr Nijjer discussing the merits of stenting versus coronary artery bypass surgery

Video - Dr Nijjer walks through a typical Cardiac Catheter Lab

Video - Dr Nijjer discusses medicines you need to take after stenting

Video - Dr Nijjer describes a typical pathway for chest pain patients in the UK

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Expert in: Cardiology
Recommended by 6 specialists
20 years of experience
Interventional Cardiology , Heart Muscle Disease/Cardiomyopathy

Dr Ravi Assomull is the Clinical Lead for cardiac outpatients at Imperial College NHS Trust, practising as an Interventional Cardiologist in hospitals of London North West Healthcare NHS Trust. His area of expertise is in cardiovascular risk prevention and advanced cardiovascular imaging (cardiac CT and MRI), often using advanced cardiac imaging (Cardiac CT and MRI) to provide detailed imaging of the heart to effectively guide subsequent invasive procedures (e.g., angioplasty). 


Dr Assomull completed his medical training at The University of Cambridge, qualifying in 1999 and was awarded the British Heart Foundation Junior Fellowship, enabling him to fund his MD research degree at The Cardiac MRI Unit of the Royal Brompton Hospital, London. He completed his specialist Cardiology training in North West London where he was awarded the prestigious Imperial College Interventional Fellowship two years in succession. 


Dr Assomull stays up to date with the most appropriate investigations, providing a tailored approach to every patient allowing for an accurate, safe and efficient diagnosis to be made. He also understands the importance of lifestyle modifications and focusses a significant proportion of his consultation on preventative strategies including the importance of optimising diet and exercise regimes.


Dr Assomull is passionate about his field of expertise and his research has been presented at International Conferences in both Europe and the USA and continues to be widely cited in medical literature. Dr Assomull continues to be involved with research that is exploring the applications of Cardiac MRI and Coronary Intervention in current clinical practice. His research thesis was awarded the Ralph Noble Prize in 2012 by the University of Cambridge.

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Expert in: Cardiology
18 years of experience
Congenial heart disease , Heart Muscle Disease/Cardiomyopathy

Dr Bejal Pandya is a Consultant Cardiologist at the Grown-up Congenital Heart disease (GUCH) Clinic, Barts Heart Centre, St Bartholomew’s Hospital, London. She qualified from the University College London in 2001 and trained in Cardiology in the London Deanery. 

Dr Pandya is an expert in adult congenital heart diseases and she is also interested in aortopathy disease and pulmonary hypertension associated with heart disease. She has extensive experience in a range of cardiac procedures including cardiac catheterisation, pulmonary vascular resistance studies, complex echocardiography such as bubble contrast echocardiography and transoesophageal echo. 

Dr Pandya has a keen interest in clinical research with a focus on MRI-augmented cardiac catheterisation studies and has published extensively in this area. She is a keen educator and lectures nationally and internationally. She is also council lead for congenital heart disease for the Royal Society of Medicine.




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Expert in: Cardiology
31 years of experience

Dr Michael Mullen is a Consultant Cardiologist currently based at the NHS practice based at the Barts Heart Centre based in London and his private practice is based at the Harley Street Clinic, where he is the clinical lead for structural heart intervention. He specialises in General Cardiology and Interventional Cardiology and his areas of interest are aortic stenosis, TAVI - Transcatheter Aortic Valve Implant, congenital cardiology, interventional cardiology, ASD closure - atrial septal defect, PFO - patent foramen ovale closure, MitraClip mitral valve repair and valvular heart disease.

Dr Mullen has nearly 20 years of experience in his field. He attained a Bachelor of Medicine, Bachelor of Surgery from Newcastle University in 1988. The completed his Doctor of Medicine at the University of London in 2001 and was given the honour of a Fellowship of the Royal College of Physicians of London in 1991. He completed the additional training, Fellowship in Congenital Heart Disease and Structural Heart Intervention at Toronto General Hospital in 2000.

Alongside Dr Mullen’s education and clinical experience, he has many affiliations and memberships including British Medical Association and British Cardiac Intervention Society. He is also active in research with interest in valvular heart disease, novel device technology, PFO closure, congenital heart disease, TAVI and MitraClip. He has over 100 publications in peer-reviewed scientific journals.

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Expert in: Cardiology
Recommended by 1 specialist
24 years of experience

Dr Nickolaos Pantazopoulos is a Consultant Cardiologist at West Middlesex University Hospital, Chelsea & Westminster NHS Foundation Trust.  He is the West Middlesex Hospital Director of Clinical Studies for Medical Students of Imperial College School of Medicine.

He qualified in 1994 from the University of Queensland, Australia and later gained experience in general medicine as a hospital intern in Brisbane, Australia. He worked as a doctor in the Greek Armed Forces and as part of an acute emergency air retrieval service in the Greek islands. 

Later in his career, he specialised in cardiology at Athens University and pursued subspecialist training in stress echocardiography and cardiac catheterisation at St George Hospital, Sydney, Australia. He trained in Cardiac CT at Johns Hopkins University, Baltimore, USA. 

His published work focuses on echocardiographic indices of valve disease and myocardial function. 

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Expert in: Cardiology
14 years of experience
Paediatric Cardiology , Congenial heart disease

Dr. Guido Pieles is an Honorary Senior Clinical Lecturer and Consultant in Congenital Cardiology at the Bristol Heart Institute and Bristol Congenital Heart Centre. He specialises in both adult and paediatric cardiology and has extensive experience in inherited cardiac conditions, advanced imaging and sports and exercise cardiology.

He obtained his medical degree at the University of Marburg in Germany, before undertaking a PhD in cardiovascular genetics at Oxford University. Following this, he completed further training in congenital cardiology, inherited cardiac conditions, echocardiography at the Bristol Heart Institute and the Hospital for Sick Children in Toronto.

Dr Pieles is a cardiology expert for FA Sports and a consulting cardiologist at Manchester United FC. He is actively involved in research into innovative methods to monitor cardiac performance in elite athletes and young people with inherited heart disease.

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Expert in: Cardiology
16 years of experience

Dr Antonis Pantazis is a Consultant Cardiologist at Royal Brompton & Harefield NHS Trust and he also sees patients privately, including at The Harley Street Clinic and The Princess Grace Hospital. He has many years’ experience within the field of cardiomyopathies.

He was first appointed as a Consultant Cardiologist at The Heart Hospital, University College London in 2007 and then went to work as a Consultant Cardiologist at Bart’s Heart Centre at St Bartholomew’s Hospital in 2015. Dr Pantazis was the leading cardiologist at UCLH’s neuromuscular complex care centre at the National Hospital for Neurology and Neurosurgery. In previous roles, he has also implemented clinics for arrhythmogenic cardiomyopathy (ARVC), cardio-neuromuscular and cardiac sarcoidosis. He was also the leading cardiologist for the interventional and surgical programmes for the management of left-ventricular outflow tract obstruction (LVOTO) in hypertrophic cardiomyopathy. He holds memberships of the European Society of Cardiology, the European Society of Cardiology Working Group on Myocardial and Pericardial Diseases, the Association for Inherited Cardiac Conditions and the Hellenic Cardiological Society.


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Expert in: Cardiology
37 years of experience

Dr Mahmoud Barbir graduated in 1980 from the Royal College of Surgeons in Ireland. He did his initial training in general medicine and cardiology in Dublin, at St James’s Hospital and Richmond Hospital.

In 1985, Dr Barbir came to London and started a British Heart Foundation research fellowship at Hammersmith Hospital for two years. He subsequently completed three years training in clinical cardiology.

Then in 1988, he completed clinical research at Harefield Hospital working under Professor Sir Magdi Yacoub. Meanwhile, he completed further training in the department of cardiology.

Dr Barbir has been a consultant cardiologist at Harefield Hospital since 1993, where he treats both private and NHS patients.

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Expert in: Cardiology
33 years of experience

Dr Richard Grocott-Mason is a consultant cardiologist at Royal Brompton and Harefield hospitals, where he treats private and NHS patients.

He studied at Jesus College, University of Oxford, and St Thomas’ Hospital Medical School (now part of King’s College London), qualifying in 1986.

He then trained in cardiology and general medicine at numerous hospitals, including:

  • King’s College Hospital
  • The London Chest Hospital
  • Guy’s Hospital
  • Harefield Hospital
  • University of Wales College of Medicine, Cardiff.

In 1999, he was appointed as a consultant cardiologist at Hillingdon Hospital and Harefield Hospital.

He has combined his clinical work with clinical leadership roles, first as the clinical director for medicine. In 2014, he was appointed as director of the Harefield Hospital heart division, and since 2016 has been the medical director of the Trust.

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What is a Cardiologist? 

A heart attack, also known as myocardial infarction, is one of the most common causes of hospitalisation in the UK and globally. Essentially, it is the process of acute damage to the heart muscle due to obstructed blood flow in the vessels that feed the heart. Heart attacks are medical emergencies, and anyone suspecting their chest pain and other symptoms is a heart attack should call emergency services right away. However, following a heart attack and discharge from the hospital, ongoing aftercare is critical for patients to regain their stamina and prevent future heart attacks. A top cardiologist in London found on Doctify can provide the kind of ongoing care that patients need to have the best post-heart attack outcomes and the lowest risk for a recurrence.

When to see a Cardiologist?

Finding a cardiologist in London is easy with Doctify. The best cardiologists in London to see after a heart attack will provide follow-up and monitoring services for cardiac patients. Additionally, they may start patients on a medication and exercise regimen, do additional testing, or recommend preventative surgical procedures. Frequently, the most common advice from top cardiologists in London involves lifestyle changes – more frequent exercise, a better diet, and eliminating smoking, excessive alcohol use, or other detrimental habits. Additionally, if a cardiologist in London determines that a patient needs any kind of non-emergency surgical procedure (such as bypass surgery) to help mitigate future heart attack risks, they usually can perform these procedures at their affiliated hospital locations. This provides heart attack patients with a continuity of quality care and peace of mind.

What procedures can you find at a Cardiology clinic?