Dr. Mark Kolligian practices Pediatric Urology in Tampa, FL. Pediatric urologists treat young patients who suffer from an illness or disease of the genitals or urinary tract, including the kidneys, ureters, bladder. As a pediatric urologist, Dr. Kolligian is a surgeon who diagnoses, treats, and manages voiding disorders, vesicoureteral reflux, and urinary tract infections that require surgery. Some procedures that Dr. Kolligian performs include surgical reconstruction of the urinary tract, hypospadias, and disorders of sex development; surgery for groin conditions in childhood; evaluation and surgical management of kidney stone disease; and surgical management of tumors and malignancies of the kidney, bladder, and testis.