Cleveland Clinic based out of Cleveland, Ohio, is ranked No. 1 on the U.S. News Score. During the 20th century, Cleveland Clinic physicians helped shape the future of kidney health and management of chronic kidney disease (CKD). Advancing instrumentation, basic research, treatment and specialization all led to the sophistication of the practices of each specialty. Glickman Urological and Kidney Institute specialists carry on the legacy of ensuring the best possible care for patients.