Dr. Hanna is a pediatric urologist in West Orange, New Jersey. He specializes in treating children with antenatal hydronephrosis, ambiguous genitalia, undescended testicles and other anomalies of the urinary tract. He received his physicians degrees from Cairo University in 1963 and Toronto College of Physicians and Surgeons in 1975. He has completed multiple residencies and fellowships in pediatric urology and is the author or co-author of dozens of medical books and articles.