Nephrology Associates of Northern Illinois/Indiana is the largest nephrology practice in the state and the second largest in the nation. Our office in Merrillville is staffed by professional physicians and a dedicated team who ensure that you're well taken care of at all times. Our services include: Dialysis centers, Vascular access, CKD resources, NANI offices, Kidney disease and hypertension are serious matters that are often terrifying. We make sure that you're comfortable and attended to in order to provide a higher level of care and to ease your anxiety. Call us today to schedule an appointment.