Rajeev Narayan, MD, is a clinical and interventional nephrologist at the San Antonio Kidney Disease Center in San Antonio, Texas. He completed his nephrology training at Walter Reed Army Medical Center. A particular area of interest of his is the percutaneous, fluoroscopic placement of peritoneal dialysis catheters. He has been a recognized trainer in peritoneal dialysis catheter placement by Lifeline vascular and by the American Society of Diagnostic and Interventional Nephrology.