Dr. Mark Calarco, DO, MBA has 27 years of experience in both clinical and laboratory medicine. Currently, he is CEO and Medical Director of Addiction Labs, a premium toxicology lab specializing in substance use disorder and mental health treatment. Prior to this, he served as Medical Director of American Addiction Centers, a leader in drug and alcohol abuse treatment. Dr. Calarco is board-certified in Family Medicine, Regenerative Medicine, and has advanced certification in Addiction Medicine. He is also a certified Medical Review Officer, COLA Laboratory Director, and Certified Physician Executive. A pioneer in treating hormone imbalances in recovering individuals, Dr. Calarco serves on the Tennessee State Medical Laboratory Board and as a clinical professor for several medical schools. He has also served as a board member for the American Academy of Anti-Aging Medicine. Dr. Calarco was also the first board-certified anti-aging and regenerative medicine specialist in Tennessee.