DR. ANTHONY LI
Leading London Cardiologist
DR ANTHONY LI BSc, Mbbs, Mrcp, md.
Dr Anthony Li is a leading private cardiologist in London and specialist heart rhythm consultant (cardiac electrophysiologist), providing expert diagnosis and treatment for patients with atrial fibrillation (AF), palpitations, irregular heartbeats, blackouts and complex heart rhythm disorders.
Based in London, Dr Li specialises in advanced cardiac electrophysiology and catheter ablation, helping patients from across London, Surrey and the UK access expert, evidence-based care for heart rhythm conditions. Patients seeking a top cardiologist in London for atrial fibrillation, palpitations or specialist AF ablation often choose Dr Li for his combination of advanced expertise, innovative treatment techniques and personalised patient care.
Specialist Cardiologist for Atrial Fibrillation (AF) in London
Dr Li has particular expertise in the treatment of atrial fibrillation (AF), one of the most common heart rhythm disorders. AF can cause symptoms including palpitations, breathlessness, dizziness, chest discomfort and fatigue, and may increase the risk of stroke if left untreated. It can also significantly impact a person’s quality and enjoyment of life.
As a highly specialised AF cardiologist in London, Dr Li offers comprehensive assessment and tailored treatment plans for patients with:
Persistent AF
Paroxysmal AF
He performs advanced catheter ablation procedures for atrial fibrillation and other rhythm disorders, including Pulsed Field Ablation (PFA), one of the newest technologies available for AF treatment.
Patients looking for the best cardiologist in London for AF often seek out specialists with dedicated electrophysiology expertise and extensive procedural experience. Dr Li has performed well over 1500 ablation and cardiac device procedures, including pacemakers and implantable defibrillators.
Advanced AF Ablation & Heart Rhythm Treatments
Dr Li is committed to offering patients access to the latest evidence-based treatments in cardiac electrophysiology.
He is among the cardiologists using Pulsed Field Ablation (PFA) for atrial fibrillation in London - an innovative newer treatment designed to improve precision whilst reducing the risk of damage to surrounding structures, and was one of the first cardiologists pioneering this technique in the UK. Compared with traditional heat or cold-based ablation techniques, PFA is associated with shorter procedure times, faster recovery and an excellent safety profile in published studies.
In addition to AF ablation, Dr Li specialises in:
Catheter ablation for all atrial arrhythmia
Pulsed field ablation (PFA)
Complex ventricular arrhythmia ablation
Epicardial ablation
Bipolar ablation
Pacemaker implantation including the latest techniques of conduction system and leadless pacemakers
Implantable cardioverter defibrillators (ICDs) inducing sub cutaneous defibrillators and cardiac resynchronisation (CRT) devices
Cardiac rhythm monitoring and investigation
Internationally Trained London Cardiologist
Dr Li graduated from St George’s, University of London with distinction and multiple academic awards before completing specialist cardiology and electrophysiology training at leading London centres including St George’s Hospital and King’s College Hospital.
He also completed advanced specialist training at the internationally renowned UCLA Cardiac Arrhythmia Center in Los Angeles, where he trained under world-leading electrophysiology specialists in complex ablation techniques and advanced heart rhythm procedures.
The techniques and experience gained at UCLA helped Dr Li bring advanced procedural approaches back to the UK, contributing to the development of complex arrhythmia care within the NHS and helping improve treatment options for patients with difficult-to-manage heart rhythm disorders.
Following his return to the UK, he then undertook a 2 year post graduate Diploma of Advanced Studies in Cardiac Arrhythmia Management (DASCAM) at Maastricht University.
Research, Innovation & Professional Leadership
Alongside his clinical practice, Dr Anthony Li is actively involved in international research, education and the advancement of heart rhythm medicine.
He has published research in leading peer-reviewed cardiology journals, including Circulation - one of the world’s most respected cardiovascular journals - reflecting his contribution to advancing the understanding and treatment of complex heart rhythm disorders.
Dr Li completed a research doctorate focused on life-threatening ventricular arrhythmias and continues to be involved in pioneering work in advanced electrophysiology techniques and technologies designed to improve the precision, safety and long-term success of catheter ablation procedures.
He has also travelled across Europe with leading medical technology companies including Abbott and Biosense Webster, to undertake additional specialist training in emerging heart rhythm techniques and advanced ablation technologies. Remaining at the forefront of new procedural developments allows him to offer patients access to some of the latest evidence-based treatments available in modern cardiac electrophysiology.
In recognition of his expertise, Dr Li is invited to teach and support the training of junior cardiologists and electrophysiologists across Europe. He also serves on the e-Communications Committee of the European Heart Rhythm Association (EHRA), one of Europe’s leading organisations for heart rhythm specialists and part of the European Society of Cardiology. He was recently nominated as Fellow of the European Heart Rhythm Society in recognition of his contribution to advancing heart rhythm care.
Dr Li is also the co-director for the nationally renowned Ventricular arrhythmia programme alongside Dr Magdi Saba. The programme has trained multiple heart rhythm specialists from around the world in advanced ablation techniques and who have gone on to work in specialist centres across Europe. In addition, Dr Li co-supervises post doctoral research students, whose research has gone on to win prestigious international awards.
These roles reflect his active involvement in helping shape education, standards and innovation within modern heart rhythm care.
A Personalised Approach to Private Cardiology Care
Dr Li believes excellent private cardiology care should be both clinically outstanding and deeply personal.
Every patient receives a thorough assessment, clear explanation of their condition and a tailored treatment plan designed around your symptoms, lifestyle and long-term heart health. Whether you require reassurance, medication, clear explanation, further investigation or advanced catheter ablation, Dr Li aims to ensure you feel informed, supported and confident with your care plan that you will design together.
Patients seeking a trusted private cardiologist in London for atrial fibrillation, palpitations or complex heart rhythm conditions choose Dr Li for his advanced expertise, compassionate approach and commitment to delivering the highest standards of modern cardiac care.
Outside of Work
Outside of medicine, Dr Li is a devoted family man with a wide range of interests that help bring balance to his busy clinical practice.
He is a lifelong Arsenal supporter, enjoys playing football regularly and loves skiing with his family whenever he gets the opportunity. Music has also always been an important part of his life - he plays both piano and guitar and is currently teaching his eldest daughter to play piano, something he finds especially rewarding.
Dr Li is also a passionate foodie, with a particular love of Cantonese cuisine, which reminds him of his father’s home cooking growing up and visits to Hong Kong to spend time with family. He also enjoys Japanese food and culture and hopes to take his family to Japan in the near future.
Away from cardiology, Dr Li enjoys unwinding through video games, spending time with family and even taking on hands-on DIY projects at home. Known for his curiosity and attention to detail both inside and outside medicine, he has taught himself practical skills through online tutorials - including restoring traditional sash windows in his own home. Next on his list is building his wife a greenhouse!
Patients often appreciate Dr Li’s approachable manner and his eagerness to get to know his patients, alongside his highly specialised expertise. He believes building trust and genuine human connection is an important part of delivering outstanding patient care.
“
Dr Li – more than 15 months have passed since I had the AF ablation. I have expressed my enormous gratitude to you for this procedure last time we spoke on the phone. Still I would like to take this opportunity to thank you sincerely again for you and your team’s hard work and wish you good health, joy and satisfaction.”
— DH, Patient
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Dr Li would be delighted to see you in his London arrhythmia clinics for a comprehensive cardiac review.