John C. Callison, Jr., MD, FCCP 

Originally from Nashville, Tennessee, Dr. Callison graduated cum laude with a B.A. from Wake Forest University in Winston-Salem, NC.   He went on to earn his medical degree from the University of Cincinnati College of Medicine.  After graduating from medical school, Dr. Callison moved back to Nashville where he did both his internship and residency in Internal Medicine at Vanderbilt University.  He then stayed at Vanderbilt for a fellowship in Pulmonary and Critical Care Medicine. 

During his training at Vanderbilt, Dr. Callison won multiple awards, including the Hugh Jackson Morgan Teaching Award as well as the Emergency Department Patient Advocate Award.  He has a special interest in lung cancer, and won the Thomas L. Petty Award at the Annual Aspen Lung Conference for his work on lung cancer.  

Dr. Callison joined University Pulmonary and Critical Care in 2012 and has been a Clinical Assistant Professor of Medicine with the Department of Medicine at the UT Graduate School of Medicine since that time.  He is board certified in Internal Medicine, Pulmonary Disease, and Critical Care Medicine.  He is a member of multiple national societies, including the American Thoracic Society, and is a Fellow of the College of Chest Physicians. 

Dr. Callison enjoys all aspects of pulmonary medicine and sees patients with all lung diseases, but has a focus on patients with lung cancer.  In addition to standard bronchoscopy, Dr. Callison routinely performs Endobronchial Ultrasound (EBUS) as well as Navigational Bronchoscopy to diagnose and manage patients with lung cancer.  He is a member of the Chest Service at UT Medical Center and attends the weekly multidisciplinary Chest Conference to discuss difficult cases.   In addition to his other clinical duties, Dr. Callison is also a member of the Adult Cystic Fibrosis Clinic at UT Medical Center. 

Outside of work, Dr. Callison enjoys spending time with his wife, their two children, and their two dogs. 


  • BA, Wake Forest University, 1998-2002
  • MD, University of Cincinnati College of Medicine, 2002-2006

Internship and Residency - Internal Medicine

  • Vanderbilt University, 2006-2009 

Fellowship - Pulmonary & Critical Care Medicine

  • Vanderbilt University, 2009-2012

Board Certification

  • Internal Medicine, 2009
  • Pulmonary Disease, 2011
  • Critical Care Medicine, 2012

Professional Societies

  • Fellow, American College of Chest Physicians
  • Member, American Thoracic Society
  • Member, Society of Critical Care Medicine
  • Member, International Association for the Study of Lung Cancer

Quick Contact

Office Location:

1940 Alcoa Highway
Suite E-210
Knoxville, TN 37920

Quick Contact:

Phone: (865) 524-7471


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