Our Doctors

Dr. Clyde Southwell


Dr. Southwell is board certified in Pulmonary, Critical care, Sleep and Internal medicine. He was trained at a Case Western University Program in Cleveland Ohio but more recently move here from a multi-specialty practice in North Carolina. “I was introduced to the Sumner County area by a friend and colleague from training. This turned out to be the perfect place and opportunity to start my own practice!” Dr. Southwell opened TCLS in February of 2008.

Dr. Disha Awasthi


Dr. Awasthi recently joined Tennessee Comprehensive Lung and sleep. She moved from Johnson City, Tennessee after completing her fellowship training in Pulmonary and Critical care medicine at East Tennessee State University. Her interests include COPD, asthma, chronic cough, restrictive lung disease and lung cancer. She is trained to perform Bronchoscopy and Endobronchial ultrasound biopsies (EBUS). She is a member of American college of Chest Physicians.