Mr John Y Yap

Cardiothoracic Surgeon

MBChB, MD, FRCS (Glas), FRCS (CTh)

Specialises in

I am Consultant Cardiac Surgeon at The Heart Hospital, University College London Hospitals and co-founder of London Heart Specialists, Harley Street Clinic. I am currently the lead surgeon for the major aortic program at the Heart Hospital. My interests include the surgical and endovascular treatment of valvular heart disease, Marfan syndrome and diseases of the thoracic aorta (such as aortic dissection and aneurysms).

I graduated from Glasgow University and underwent training in general surgery obtaining Fellowship of the Royal College of Physicians and Surgeons, Glasgow in 1992. This was followed specialist training in cardiothoracic surgery in London and a research fellowship carrying out pioneering research in gene therapy at Mayo Clinic, USA resulting in the award of Doctorate of Medicine.


Treatment information

Some of the principal treatments carried out by Mr John Y Yap at Spire include:

Cardiothoracic surgery

Other treatments

  • Aneurysms surgery
  • Aortic surgery
  • Aortic valve replacement
  • Aortic valve surgery
  • Atrial fibrillation surgery
  • Atrial septal defect surgery
  • Beating heart surgery (off pump surgery)
  • Cardiac rhythm management
  • Coronary artery bypass graft (CABG)
  • Endoscopic closed chest surgery for atrial fibrillation
  • Endoscopic vein and radial harvesting; complex aortic valve surgery
  • TAVI
  • Valvular heart surgery

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Additional information

Cardiothoracic surgery
Cardiac surgery

Special Clinical Interests: Endocarditis; Gene Therapy; Treatment of the aorta.

The Heart Hospital