Dr Georgios Karagiannis

Consultant Cardiologist


"I enjoy using the new outpatient facilities at Spire Thames Valley Hospital. It is the ideal environment for medical consultations."

Specialises in

Also available for:

Virtual consultations:

I studied medicine at the Aristotle University of Thessaloniki in Greece. I completed my specialist training in Greece and I was awarded 'excellent' marks on completion. In 2009, I successfully completed my PhD in Cardiology, for which I also received an 'excellent' mark. Since 2013, I have been working at Harefield Hospital as a member of the Transplant Department. I am also working at Hillingdon Hospital as a Consultant Cardiologist.

I have extensive experience in general and acute cardiology. My special interest is in heart failure, echocardiography, acute cardiac care, preventive cardiology.

I can speak English, German and Greek.

Treatment information

Some of the principal treatments carried out by Dr Georgios Karagiannis at Spire include:


Other treatments

  • Atrial fibrillation
  • Coronary artery disease
  • Echocardiography
  • Hypertension
  • Stroke prevention


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Important information about Covid-19 tests

Spire Thames Valley Hospital is only able to provide Covid-19 tests to patients undergoing surgery at our hospital. Covid-19 testing or antibody tests are not available as a standalone service.


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Additional information

MD, PHD, FESC, FHFA / Aristotle University of Thessaloniki, Greece / 2002
Doctor of Medicine

Professional memberships

European Society of Cardiology

British Society of Heart Failure

Royal College of Physicians

Professional leadership

Educational Lead for Medicine at Hillingdon Hospital

Cardiology Department, Hillingdon Hospital.

Transplant Department, Harefield Hospital.

Senior Lecturer, Brunel University.

Hon. Senior Clinical Lecturer, Imperial College, London.

I enjoy spending my spare time with my wife and two sons. I also love cycling and playing basketball.

Telephone 01895 279339
Website http://www.expertcardiologist.co.uk
Private secretary Madeleine Than (Maddie)
Private secretary telephone 01895 279339
Private secretary email madeleine.than@nhs.net