Dr. Dennis J. Brenner is a pediatric endocrinologist in West Orange, New Jersey and is affiliated with multiple hospitals in the area, including Children's Hospital of New Jersey at Newark Beth Israel Medical Center and Cooperman Barnabas Medical Center. He received his medical degree from State University of New York Downstate Medical Center College of Medicine and has been in practice for more than 20 years. Dr. Dennis J. Brenner accepts Aetna, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted.