Dr. Theodoros Laddis earned his medical degree from the University of Massachusetts Medical School, and completed his internship and residency at the same location. He completed his fellowship at Beth Israel Deaconess Medical Center. Dr. Laddis is board certified by the American Board of Internal Medicine, with subspecialty certification in cardiovascular disease. He specializes in noninvasive cardiology, including nuclear cardiology and regular stress testing, stress echocardiography, Holter monitoring, and event recording, echocardiography, transesophageal echocardiography, and cardiac catheterization.