Dr. Gregorio Adrian Castillo

Dr. Gregorio Castillo is an internal medicine physician with specialized training in psychiatry who has dedicated 35 years to caring for patients with complex medical and mental health needs. He completed his medical education at the University of Santo Tomas Faculty of Medicine and Surgery before advancing his training through a residency at Mount Sinai School of Medicine. This dual expertise allows him to address both the physical and psychological aspects of patient care. Dr. Castillo is fluent in both English and Spanish, helping him connect with diverse patient populations.

Dr. Castillo practices at multiple locations including University Hospital in Newark, New Jersey, and Princeton House Behavioral Health in North Brunswick, New Jersey. His clinical expertise encompasses treating depression and mood disorders in children, along with managing mental health crises. He specializes in comprehensive mental health assessments to help patients understand their conditions and develop …appropriate treatment plans. Patients have given him an average rating of 4.1 stars, reflecting their confidence in his compassionate and thorough approach to care.