Dr Davies is a consultant Respiratory physician within the Respiratory Support and Sleep Centre and is the Divisional Clinical Director for Thoracic and Ambulatory Services. 

He specialises in the treatment of respiratory failure, including the weaning of patients from invasive ventilation, the provision of home mechanical ventilation, and in the treatment of respiratory and non-respiratory sleep disorders. 

He undertakes sleep disturbance clinics, general respiratory clinics. He has a sub-specialty interest in respiratory problems in neuromuscular disorders, contributing to Royal Papworth Hospital’s dedicated MND service and Duchenne Muscular Dystrophy service.

Specialist Clinical Interests

Respiratory failure, home ventilation, weaning from invasive ventilation, respiratory problems in neuromuscular disorders, respiratory physiology.

External Roles
  • Clinical Lead for the British Thoracic Society's (BTS) acute NIV audit programme.
  • Regional representative for NHS England's Clinical Reference Group.
  • Chair of the BTS Respiratory Critical Care Specialist Advisory Group (2014-2019).
  • Medical lead for the BTS Short Course for acute and home ventilation.
Research Interests

Respiratory Failure, Respiratory Physiology, Sleep Medicine.

Education and Training

MBBS (with distinction) – University of Newcastle Upon Tyne (1994)
MRCP (1997)
MD – University of London (2009)
FFICM 2011
FRCP 2011

Current membership(s) of professional, national and regional bodies and university posts

Associate Lecturer,  University of Cambridge
Fellow of the Royal College of Physicians
Fellow of the Faculty of Intensive Care Medicine
Member of the British Thoracic Society
Member of the Intensive Care Society
Member of the European Respiratory Society
Member of the British Sleep Society
Chair of the BTS Critical Care Specialist Advisory Group

Recent and Important Publications

Davies MG, Juniper MC. Lessons learnt from the National Confidential Enquiry into Patient Outcome and Death: Acute non-invasive ventilation. Thorax 2018;73:904- 907.

Davies M, Allen M, Bentley A, Bourke SC, Creagh-Brown B, D'Oliveiro R, Glossop A, Gray A, Jacobs P, Mahadeva R, Moses R, Setchfield I. British Thoracic Society Quality Standards for acute non-invasive ventilation in adults. BMJ Open Respir Res. 2018 Apr 5;5(1):e000283.

Addala D, Shrimanker R, Davies MG. Non-invasive ventilation: initiation and initial management. Br J Hosp Med (Lond). 2017;78(9):C140-C144.

Davies MG, Quinnell TG, Oscroft NS, Clutterbuck SP, Shneerson JM, Smith IE. Hospital outcomes and long-term survival after referral to a specialized weaning unit. Br J Anaesth.  2017;118(4):563-569. 

Gulati A, Ali M, Davies M, Quinnell T, Smith I. A prospective observational study to evaluate the effect of social and personality factors on continuous positive airway pressure (CPAP) compliance in obstructive sleep apnoea syndrome. BMC Pulm Med. 2017 Mar 22;17(1):56

Sharples L, Glover M, Clutterbuck-James A, Bennett M, Jordan J, Chadwick R, Pittman M, East C, Cameron M, Davies M, Oscroft N, Smith I, Morrell M, Fox-Rushby J, Quinnell T. Clinical effectiveness and cost-effectiveness results from the randomised controlled Trial of Oral Mandibular Advancement Devices for Obstructive sleep apnoeahypopnoea (TOMADO) and long-term economic analysis of oral devices and continuous positive airway pressure. Health Technol Assess. 2014 Oct;18(67):1-296.

Quinnell TG, Bennett M, Jordan J, et al. A crossover randomised controlled trial of oral mandibular advancement devices for obstructive sleep apnoea-hypopnoea (TOMADO). Thorax. 2014;69(10):938-45. 

Oscroft NS, Chadwick R, Davies MG et al. Volume assured versus pressure preset non-invasive ventilation for compensated ventilatory failure in COPD. Respir Med. 2014;108;10:1508-15. 

Mandal S, Suh E, Davies MG, et al. Provision of home mechanical ventilation and sleep services for England survey. Thorax. 2013 Sep;68(9):880-1. 

Banerjee SK, Davies MG, Sharples L, Smith IE. Role of face-mask spirometry in Motor Neuron Disease. Thorax. 2013 Apr;68(4):385-6. 

Hoole SP, Rana B, Shapiro LM, Davies M. No closure for patent foramen ovale in obstructive sleep apnea? Chest. 2013 Feb 1;143(2):581-2. 

Oscroft NS, Ali M, Gulati A, Davies MG, Quinnell TG, Shneerson JM, Smith IE. COPD. 2010 Dec;7(6):398-403. 

Choong CK, Abu-Omar Y, Agarwal A, Pulimood T, Screaton N, Hardy I, Vuylsteke A, Davies M. J Thorac Cardiovasc. Surg. 2009;137(6):1551-2. 

Choong CK, Naylor J, Vuylsteke A, Hardy I, Screaton N, Porter J, Davies M. J Thorac Cardiovasc Surg. 2009; Jun;137(6):1552-4. 

Davies JC, Davies MG, McShane D, Smith S, Chadwick S, Jaffe A, Farley R, Collins L, Bush A, Scallon M, Pepper J, Geddes DM, Alton EWFW. Am J Respir Crit Care Med. 2005;171(9):1015-9. 

Davies MG, Geddes DM, Alton EWFW. Am J Respir Crit Care Med. 2005;171(7):760-3. 

McShane D, Davies JC, Davies MG, Bush A, Geddes DM, Alton EW. Eur Respir J. 2003; 21(1):37-42. 

Geddes D, Davies M, Koyama H, Hansell D, Pastorino U, Pepper J, Agent P, Cullinan P, MacNeill SJ, Goldstraw P. N Engl J Med. 2000; 343: 239-245. 

Alton EWFW, Stern M, Farley R, Jaffe A, Chadwick SL, Phillips J, Davies J, Smith SN, Browning J, Davies MG, Hodson ME, Durham SR, Li D, Jeffery PK, Scallon M, Balfour R, Eastman S

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Where are we based?

Royal Papworth Hospital NHS Foundation Trust
Papworth Road
Cambridge Biomedical Campus
Cambridge
CB2 0AY

Telephone:  01223 638000

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