Dr Jonathan Clague is a consultant cardiologist based at Royal Brompton Hospital who treats NHS and private patients.

He qualified in 1985 from St Mary’s Hospital Medical School (now part of Imperial College London). After working as a senior house officer (a junior doctor), he began his cardiology training at Barts and The London NHS Trust.

Dr Clague then spent two years in the USA at the University of California, Los Angeles (UCLA), where he undertook cellular pathology research.

On his return to the UK, he worked as a senior registrar at Royal Brompton Hospital and St George’s Hospital. In 1997, he was appointed as a consultant at Royal Brompton Hospital.

Clinical expertise

Dr Jonathan Clague is a consultant cardiologist with an interest in coronary intervention, electrophysiology and complex devices.

He treats a range of cardiac problems, such as:

He is an expert in a number of procedures and treatments, including:


Dr Jonathan Clague has an academic interest in treating advanced cardiac failure with regenerative medicine therapy, where a patient’s autologous bone marrow cells are injected into their own heart.