Michael J Mullen

Michael J Mullen

Consultant Interventional Cardiologist

Institute of Cardiovascular Sciences, University College London, London, UK; Barts Heart Centre, St Bartholomew’s Hospital, London, UK

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Personal History

Dr Mullen is a consultant cardiologist based in London, UK.


Academic History

Dr. Mullen completed his higher cardiology training in Sheffield, London and Toronto, Canada. He holds an MB BS from the University of Newcastle-upon-Tyne and graduated with his MD from the University of London in 2001.1


Career Overview

Dr Mullen is a consultant cardiologist with the NHS, based at the Barts Heart Centre in London. He is internationally recognised for his expertise in the treatment of structural heart disease, with nearly 20 years of experience in this field. His private practice is based at the Harley Street Clinic and Barts Heart Centre, where he is the clinical lead for structural heart intervention. Previously, he was director of the cardiac catheter laboratories at the Royal Brompton and Harefield NHS Trust.2

He has played a key role in the development of new technologies for the treatment of conditions such as valvular heart disease, patent foramen ovale (PFO), atrial septal defect (ASD) and aortic coarctation and their introduction into the UK. These technologies include transcatheter aortic valve implantation (TAVI), MitraClip, Cardioband and suture closure of patent foramen ovale. Dr Mullen has a broad research portfolio, leading and participating in numerous clinical trials. He is frequently invited to give lectures and live demonstrations at national and international conferences.3


Career Timeline

  • 2001: MD, University of London
  • 2001 - 2010: Consultant Cardiologist, Royal Brompton & Harefield Hospitals Specialist Care
  • 2010 - 2015: Consultant Cardiologist, UCLH NHS Foundation Trust
  • 2015 - Present: Consultant Cardiologist, Barts Health NHS Trust
  • 2019 - Present: Associate Professor, UCL



  • The British Medical Association - Member
  • British Cardiac Intervention Society - Member
  • British Congenital Cardiac Association - Member
  • Royal College of Physicians of London - Member
  • British Cardiac Society - Member


Areas of Speciality

  • 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
  • Valvular heart disease



  1. https://michaelmullen.co.uk/profile/ 
  2. https://finder.bupa.co.uk/Consultant/view/28249/dr_michael_mullen 
  3. https://bartshealthprivatecare.com/michael-mullen 


Articles by Michael J Mullen, Consultant Interventional Cardiologist

Futility in Transcatheter Aortic Valve Implantation: A Search for Clarity

Kush P Patel, Thomas Treibel, Paul Scully, et al


Citation: Interventional Cardiology 2022;17:e01.

TAVI for Pure Native Aortic Regurgitation: Are We There Yet?

Eduardo A Arias, Amit Bhan, Zhan Lim, et al


Citation: Interventional Cardiology Review 2019;14(1):26–30