John C. Callison, Jr. MD

Pulmonary Disease

Contact Info

University Pulmonary & Critical Care
1940 Alcoa Highway, Suite E-210
Knoxville, TN 37920
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Phone: 865-524-7471
Fax: 865-305-6563


Certification: American Board of Internal Medicine, Pulmonary Disease, Critical Care Medicine
Schools: University of Cincinnati College of Medicine
Internships: Vanderbilt University
Residencies: Vanderbilt University
Fellowships: Vanderbilt University


Dr. Callison joined UPCC in 2012. Dr. Callison enjoys all aspects of pulmonary medicine and sees patients with all lung diseases. He has specific interests in lung cancer, interventional pulmonary medicine, critical care medicine and Adult Cystic Fibrosis.

Dr. Callison is the Director of the Adult Cystic Fibrosis clinic and is involved in multiple clinic trials for both the adult cystic fibrosis population and the general pulmonary population.

Health Videos
Medical Moment: Lung Cancer
Dr. J. Clay Callison, pulmonary medicine physician, discussed the types of lung cancers as well as treatment options that are currently available. In this Medical Moment, Dr. Callison will answer the following questions: What are the different types of lung cancer? Can lung cancer be prevented of detected early? How is lung cancer treated? For more information about pulmonary medicine, lung cancers or treatment options available at The University of Tennessee Medical Center, visit our website at or call the Healthcare Coordination office at 865-305-6970