Nephrology Associates of Northern Illinois and Indiana

Nephrology Associates of Northern Illinois and Indiana (NANI) is a large private U.S. nephrology specialty practice focused on kidney care rather than drug development. Founded in 1968, the group provides outpatient and hospital-based nephrology services, transplant-related care, hypertension management, dialysis-related care, vascular access services, telehealth, and affiliated clinical research activities across Illinois, Indiana, New Jersey, and other growing markets. NANI describes itself as the largest private nephrology practice in the United States, with more than 140 nephrology physicians and affiliated advanced practice clinicians. In addition to direct patient care, the organization operates related service lines such as NANI Vascular, NANI Clinical Research, and Tower Physician Solutions, a nephrology-focused practice management subsidiary.