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Mark T. Jennings, MD, MHS

Assistant Professor of Medicine

Assistant Professor of Medicine

Dr. Mark Jennings is an instructor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include pulmonary and critical care medicine.

Dr. Jennings completed his undergraduate work at the University of Notre Dame and earned his medical degree at Georgetown University. He completed a combined internal medicine and pediatrics residency at Georgetown, including a year as chief resident, prior to coming to Johns Hopkins for fellowship training in pulmonary and critical care medicine. He earned a Master of Health Science at the Johns Hopkins Bloomberg School of Public Health.

His research interests include bacterial infection in cystic fibrosis.

Dr. Jennings is a faculty member in the Adult Cystic Fibrosis Program at the Johns Hopkins Cystic Fibrosis Center. He has been recognized by the Cystic Fibrosis Foundation with a Harry Shwachman Clinical Investigator Award.


  • Cystic fibrosis
  • Pulmonary disease

Research Interests

  • Bacterial infection in cystic fibrosis.

Board Certification

  • American Board of Internal Medicine / Internal Medicine (2011)
Contact Information
Phone: 410-502-7044
Fax: 410-502-7048
Appointments: 410-550-LUNG (5864)
Publications: Visit PubMed
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