Assistant Professor of Medicine
Allergy, Pulmonary, and Critical Care Medicine

Assistant Professor of Medicine

Professional Bio

Justin Hewlett, MD, is Assistant Professor of Medicine, in the Division of Allergy, Pulmonary and Critical Care Medicine within the Department of Medicine at Vanderbilt University Medical Center.

Dr. Hewlett completed his baccalaureate degree, summa cum laude, in both microbiology and chemistry from the University of Florida and went on to graduate from medical school at the University of Florida College of Medicine. Dr. Hewlett did his residency at Vanderbilt University, serving as Chief Resident. In 2016, he entered Vanderbilt's fellowship program in pulmonary and critical care medicine and engaged in both basic and clinical research.
He spent a year working directly with Dr. James Loyd on the evaluation and management of patients with interstitial lung disease, which sparked a personal interest in the care of these patients. Since 2017, he has been working with Drs. Jonathan Kropski, Timothy Blackwell, and others on multiple projects pertaining to pulmonary fibrosis. In addition, he has worked with Drs. Fabien Maldonado and Robert Lentz to analyze the diagnostic accuracy of transbronchial cryobiopsy in comparison with surgical lung biopsy. Dr. Hewlett has a strong interest in rare lung diseases and diagnostic evaluation of diffuse parenchymal lung disease.

Dr. Hewlett is known for his energy, concern for his patients' education regarding their condition, and his focus on the accuracy and efficiency of the diagnostic process. He also volunteers whenever possible for projects and educational opportunities that might further clinical effectiveness. Recognized as an outstanding teacher, Dr. Hewlett was awarded the Roger Des Prez Award for Teaching Excellence in Pulmonary and Critical Care Medicine in 2018.


MD - University of Florida College of Medicine - 2012
Residency - Intern & Resident-Internal Medicine - Vanderbilt University Medical Center - 2015
Residency - Chief-Department of Veterans Affair - Vanderbilt - 2016
Fellowship - Pulmonary, Critical Care - Vanderbilt University Medical Center - 2019