Luke’s-Roosevelt Hospital Center in Manhattan, New York City. Dr. Unis earned his medical degree from Case Western Reserve University School of Medicine in Cleveland, OH, and completed a residency in Orthopedic Surgery at Northwestern University in Chicago, IL. Dr. Unis also completed a fellowship in total joint replacement at Rush University in Chicago, IL, an international center for minimally invasive knee and hip replacement innovation.Dr. Unis is one of a handful of surgeons in the country extensively trained in muscle and tendon-sparing total hip replacement surgery, and also has extensive experience in minimally invasive muscle and tendon-sparing knee replacement surgery. CME Courses