John Joerns, M.D.

  • Internal Medicine - Pulmonary and Critical Care Medicine


John Joerns, M.D., is an Assistant Professor in the Department of Internal Medicine at UT Southwestern Medical Center. He specializes in advanced lung diseases and lung transplantation.

Dr. Joerns earned his medical degree at the University of Texas Health Science Center at Houston. He completed a residency in internal medicine at Washington University/Barnes-Jewish Hospital and received advanced training in pulmonary and critical care medicine through a fellowship at Yale University. While at Yale, he worked in the lab of Dr. Jon Koff, where he investigated the eGFR and MAP kinase 3 pathways in a variety of lung injury models.

Certified by the American Board of Internal Medicine in pulmonary disease and internal medicine, he joined the UT Southwestern faculty in 2018.

Dr. Joerns is a member of the American Thoracic Society, the Society of Critical Care Medicine, and the Extracorporeal Life Support Organization.

Education & Training
  • Residency - Washington University Barnes Jewish Hospital/ St. Louis Children's Hospital Consortium Program (2012-2015), Internal Medicine
  • Fellowship - Yale-New Haven Medical Center (2015-2018), Pulmonary Diseases & Critical Care Medicine
  • Medical School - UT Health Science Center McGovern Medical School (2008-2012)
Books & Publications