Patient Portal; Menu back . Ephraim Weiss, M.D. Specialties: Cardiovascular Disease, Echocardiography, Internal Medicine, Interventional Cardiology. 480-835-6100. Dr. Ephraim Weiss is Board Certified in Cardiovascular Disease, Echocardiography, and Internal Medicine. He completed his Fellowships in Cardiovascular Disease and Interventional ....