Dr. John Chapin Koomen, MD

Dr. John Koomen is a board-certified physician specializing in neurology and psychiatry with 52 years of experience in medical practice. He earned his medical degree from the University of North Carolina at Chapel Hill School of Medicine and completed his residency training at Vanderbilt University Medical Center. His extensive background allows him to address complex neurological and psychiatric conditions with a comprehensive understanding of both brain function and mental health. Dr. Koomen is fluent in English and Spanish, enabling him to serve diverse patient populations.

Dr. Koomen practices at multiple locations throughout Tennessee, including Columbia and Nashville, and maintains hospital privileges at Tristar Skyline Madison Campus. He focuses on treating substance use disorders and teen substance abuse, as well as mood disorders in children. His clinical approach includes administering treatments through autoinjectors and insulin pens when medically appropriate, along with …conducting general blood tests for diagnostic purposes. Patients have given him an average rating of 3.8 out of 5 on Vitals, reflecting their experiences with his care.