Dr Niall Keenan

Dr Niall Keenan

Consultant Cardiologist

Practising at

Spire Bushey Hospital

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Treatment information

Some of the principal treatments carried out by Dr Niall Keenan at Spire include:

General medicine


Other treatments

Vascular medicine, Echocardiography, Coronary Artery Disease, Atrial fibrillation

Cardiac radiology

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Professional profile

Dr Keenan is a consultant cardiologist at West Herts NHS Trust as well as an honorary consultant cardiologist at Hammersmith Hospital, and an Honorary Lecturer at Imperial College, London. He qualified from Oxford University in 2001 and then trained in cardiology and general medicine in London. He carried out specialised training and research in cardiac MRI at the Royal Brompton Hospital, in cardiac CT at the London Chest Hospital, and in echocardiography both at Hammersmith Hospital in London, and also at Hospital Bichat in Paris. He has also undertaken advanced heart failure training at Harefield Hospital.

At Spire Bushey Hospital, Dr Keenan sees patients with the full range of cardiological problems including coronary artery disease, hypertension, and arrhythmia, but with a particular interest in heart failure and valvular heart disease, as well as patients being investigated for symptoms such as chest pain, breathlessness, palpitations and blackouts. Non-invasive testing performed at Spire Bushey Hospital includes echocardiography, stress echocardiography, and cardiac CT.

He emphasises a caring and holistic approach, focussed on the individual, with an emphasis on carefully listening to the patient, a thorough assessment, clear explanations, and shared decision making.

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Qualification and professional memberships

Professional memberships

British Cardiovascular Society
European Society of Cardiology
British Society of Echocardiography
Society of Cardiac Magnetic Resonance
British Society of Cardiac Magnetic Resonance
British Society of Cardiac Imaging

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Current NHS posts

Consultant Cardiologist West Herts NHS Trust

Honorary Consultant Cardiologist Imperial College Healthcare NHS Trust

Honorary Lecturer, Imperial College

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Personal Profile

Outside work my interests include sailing, music and literature, and I am active in a several charities that seek to assist the sick and the marginalised.

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Private contact details

Telephone 020 8901 5555
Private secretary Melanie Marlow
Private secretary fax 020 8420 4155
Private secretary email