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Dr Gareth Rosser
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General Medical Council: 6164422




Dr Gareth Rosser is a consultant cardiologist who treats private patients at Harefield Hospital and 77 Wimpole Street.

Dr Rosser qualified from the Royal Free and University College Medical School in 2007 and has worked in and around London ever since. His cardiology training was in the prestigious North West Thames rotation. Dr Rosser completed interventional cardiology fellowships at both the Royal Brompton and Harefield hospitals working with some of the world’s leading cardiologists. He now works as a consultant cardiologist at Hillingdon and Harefield hospitals.

His subspecialist interest is the diagnosis and treatment of coronary artery disease. He contributes to Harefield Hospital’s heart attack service which treats patients suffering with heart attacks 24 hours a day, 365 days a year. He performs all forms of coronary artery intervention (coronary angiography and stenting) including chronic total occlusion and rotablation. When appropriate, he uses adjunctive techniques to guide treatment including pressure wire examination, intravascular ultrasound (IVUS) and optical coherence tomography (OCT).


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Special Interests

Dr Gareth Rosser has expertise in general cardiology, treating patients with a range of conditions and symptoms including:

  • Angina 
  • Chest Pain
  • Heart failure
  • Syncope (collapse or loss of consciousness)
  • Palpitations
  • Hypertension (high blood pressure)
  • Breathlessness
  • Dizziness
  • Arrhythmia
  • Ankle swelling
  • Assessment for an upcoming operation


Dr Rosser has specialist experience in:

  • Fractional flow reserve
  • Percutaneous coronary intervention
  • Valve repair or replacement, in particular MitraClip
  • Reporting of echocardiography
  • Transthoracic echocardiography
  • Stent insertion procedures via radial access (through the arm)



  • MB BS 2007 University of London


  • Royal College of Physicians
  • British Cardiovascular Intervention Society
  • British Society of Echocardiography
  • Fellow, Royal Society of Medicine