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Dr David Evans

Consultant respiratory physician



Background and training


Dr David Evans is a consultant in respiratory medicine at Harefield Hospital, and has been a consultant physician since 1999.

Dr Evans completed a MD thesis at the National Heart and Lung Institute prior to undertaking clinical training as a senior registrar at Royal Brompton and St George's hospitals.
He worked in Portsmouth for two years before moving back to Hertfordshire to take his current posts at Harefield Hospital and West Hertfordshire Hospitals NHS Trust, and also holds posts at Hemel Hempstead Hospital, St Albans City Hospital and Watford General Hospital. 
He is an honorary senior lecturer in respiratory medicine at the National Heart and Lung Institute, and his current research involves computational flow dynamic studies of small airways disease and meta-analyses of published evidence for airway disorders, collaborating with the Cochrane Airways Group. 
He is also an examiner for the Royal College of Physicians.

Clinical interests


Dr Evans' clinical interests include:

  • tuberculosis/infection 
  • airways disease/asthma 
  • smoking-related lung problems 
  • occupational lung disease 
  • cancer 
  • allergy. 
He also runs the obstructive sleep apnoea service at Harefield Hospital.


Dr Evans is a member of the: 

  • Fellow Royal College of Physicians
  • British Thoracic Society
  • British Medical Association.


Hill End Road, Harefield,
Middlesex, UB9 6JH
Tel: +44(0)1895 82 37 37

Royal Brompton

Read more about the respiratory medicine services offered at Harefield Hospital