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Michael J. Stephen

Michael J. Stephen, MD

Associate Professor and Fellowship Director

Department: Medicine: Division of Pulmonary, Critical Care & Sleep Medicine

Practices: Drexel Pulmonology

Specialties: Pulmonary Medicine, Critical Care


  • MD - Boston University School of Medicine (2001)
  • AB in History - Brown University (1995)

Awards & Honors

  • Named "Top Doctor" by Philadelphia Magazine (2018)
  • Abstract Award, Developing an MRI model for Interstitial Lung Disease. Respiratory and Structure Foundation, American Thoracic Society, San Diego (2009)

Memberships / Professional Affiliations

  • American Thoracic Society

Michael J. Stephen, MD, is board certified in internal medicine, pulmonary disease and critical care. He sees patients in Center City Philadelphia. He is medical director of Drexel's Adult Cystic Fibrosis Center.

Clinical Certifications

  • Advanced Cardiac Life Support (2009)
  • Certificate in Clinical Epidemiology, University of Pennsylvania (2009)
  • Advanced Trauma Life Support (2006)

Clinical Services

Cystic fibrosis, Lung disease, Lung transplant, Sarcoidosis, Critical care


  • Pulmonary and Critical Care Medicine - University of Pennsylvania (2005-2008)


  • Medicine - Beth Israel Deaconess Medical Center (2002-2004)


  • Medicine - Beth Israel Deaconess Medical Center (2001-2002)

Dr. Stephen is an associate professor of medicine and director of the Pulmonary & Critical Care Fellowship at Drexel University College of Medicine. Before joining Drexel, he was an instructor of medicine at Mt. Sinai School of Medicine.


Selected Grants Funded

"Developing an MRI model for Interstitial Lung Disease"
Prior R21 Grant Supported
Cystic Fibrosis Foundation: Program for Adult Care Excellence (2010)

Selected Publications

"Quantitative Assessment of Lung Ventilation and Microstructure in an Animal Model of Idiopathic Pulmonary Fibrosis"
M. Stephen, K. Emami, J.M. Woodburn, E. Chia, S. Kadlecek, J. Zhu, S. Pickup, M. Ishii, R. Rizi, and M. Rossman
Academic Radiology, 17:1433-43 (2010)

"The New Lung Allocation Score for Lung Transplantation: What Has Changed and Why?"
M. Stephen and D. Hadjiliadis
Clinical Pulmonary Medicine, 16:45-50 (2009)

"Quantitative assessment of lung using hyperpolarized magnetic resonance imaging"
K. Emami, M. Stephen, S. Kadlecek, R.V. Cadman, M. Ishii, and R. Rizi
Proceedings of the American Thoracic Society, 6:431-8 (2009)

"Simultaneous measurement of pulmonary partial pressure of oxygen and apparent diffusion coefficient by hyperpolarized 3He MRI"
J. Yu, M. Law, S. Kadlecek, K. Emami, M. Ishii, M. Stephen, J.M. Woodburn, V. Vahdat, and R. Rizi
Magnetic Resonance in Medicine, 61:1015-21 (2009)

"Hyperpolarized 13C MRI of the Pulmonary Vasculature and Parenchyma"
M. Ishii, K. Emami, S. Kadlecek, J.S. Petersson, K. Golman, V. Vahdat, J. Yu, R.V. Cadman, J. MacDuffie-Woodburn, M. Stephen, D.A. Lipson, and R. Rizi
Magnetic Resonance in Medicine, 57:459-463 (2007)


"Hyperpolarized 3He in the Assessment of Two Rat Interstitial Lung Disease Models of IPF"
Mini-Symposium, American Thoracic Society, San Diego (2009)

"Assessment of Pre- and Post-Lung Volume Reduction Surgery Changes in Lung Function and Structure - A Rat Emphysema Model"
Mini-Symposium, American Thoracic Society, Toronto, Canada (2008)

Contact Information

Practice Office

Drexel Pulmonology
219 N. Broad Street
The Arnold T. Berman, MD Building, 9th Floor
Philadelphia, PA 19107
Phone: 215.762.2688
Fax: 215.762.2689