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David Northrop Hager, M.D., Ph.D.

Photo of Dr. David Northrop Hager, M.D., Ph.D.

Associate Director, Medical Intensive Care Unit

Assistant Professor of Medicine


Expertise: Critical Care Medicine, Pulmonary Disease and Critical Care Medicine

Research Interests: Critical care medicine; Ventilator-induced lung injury; Acute lung injury; High Frequency Ventilation; Acute Patient Triage

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The Johns Hopkins Hospital (Main Entrance)
Appointment Phone: 410-955-3467

1800 Orleans St.
Sheikh Zayed Tower, Suite 9121
Baltimore, MD 21287 map
Fax: 410-955-0036

Johns Hopkins Outpatient Center
Appointment Phone: 410-955-0670

601 N. Caroline St.
Baltimore, MD 21287 map
Phone: 410-955-6353


Dr. David N. Hager is an assistant professor of medicine at the Johns Hopkins University School of Medicine. His areas of expertise include pulmonary disease and critical care medicine. Dr. Hager serves as the director of the Medical Progressive Care Unit at The Johns Hopkins Hospital.

Dr. Hager earned his M.D. at Cornell University Medical College. He completed his residency at Johns Hopkins and performed a fellowship in pulmonary medicine at Johns Hopkins.

His research interests include critical care medicine, ventilator-induced lung injury and acute lung injury. more


  • Associate Director, Medical Intensive Care Unit
  • Director, Medical Progressive Care Unit, Johns Hopkins Hospital
  • Assistant Professor of Medicine

Departments / Divisions



  • MD, Cornell University Medical College (1999)


  • Johns Hopkins University School of Medicine / Medicine (2017)


  • Johns Hopkins University School of Medicine / Pulmonary Medicine (2017)

Board Certifications

  • American Board of Internal Medicine / Critical Care Medicine (2008)
  • American Board of Internal Medicine / Internal Medicine (2002)
  • American Board of Internal Medicine / Pulmonary Disease (2007)

Research & Publications

Selected Publications

View all on Pubmed

Hager DN, Dinglas VD, Needham DM. The authors reply. Crit Care Med. 2013 Sep;41(9):e241-2. doi: 10.1097/CCM.0b013e31829cb262. No abstract available. PMID: 23979394

Hager DN, Dinglas VD, Subhas S, Rowden AM, Neufeld KJ, Bienvenu OJ, Touradji P, Colantuoni E, Reddy DR, Brower RG, Needham DM. Reducing deep sedation and delirium in acute lung injury patients: a quality improvement project. Crit Care Med. 2013 Jun;41(6):1435-42. doi: 10.1097/CCM.0b013e31827ca949. PMID: 23507716

Hager DN. High-frequency oscillatory ventilation in adults with acute respiratory distress syndrome. Curr Opin Anaesthesiol. 2012 Feb;25(1):17-23. doi: 10.1097/ACO.0b013e32834ea57b. Review. PMID: 22157194

Neufeld KJ, Joseph Bienvenu O, Rosenberg PB, Mears SC, Lee HB, Kamdar BB, Sieber FE, Krumm SK, Walston JD, Hager DN, Touradji P, Needham DM. The Johns Hopkins Delirium Consortium: a model for collaborating across disciplines and departments for delirium prevention and treatment. J Am Geriatr Soc. 2011 Nov;59 Suppl 2:S244-8. doi: 10.1111/j.1532-5415.2011.03672.x. PMID: 22091568

Custer JW, Ahmed A, Kaczka DW, Mulreany DG, Hager DN, Simon BA, Easley RB. In vitro performance comparison of the Sensormedics 3100A and B high-frequency oscillatory ventilators. Pediatr Crit Care Med. 2011 Jul;12(4):e176-80. doi: 10.1097/PCC.0b013e3181fe3028. PMID: 21037502

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