Dr. Marek Belz is a psychiatrist in Summit, New Jersey and is affiliated with multiple hospitals in the area, including Summit Oaks Hospital and St. Joseph's University Medical Center. He received his medical degree from University of Medical Science Poznan and has been in practice for more than 20 years. Dr. Marek Belz accepts Medicare, Aetna, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted.