Greystone Park Psychiatric Hospital
59 Koch Avenue
Morris Plains, NJ 07950
GPPH Pre-Doctoral Psychology Internship Program
**Greystone became a smoke-free facility on July 8, 2009**
Greystone Park Psychiatric Hospital New Beginnings
We are a 450-bed hospital with several cottages that serve 60 individuals ready for transitional housing. The new hospital opened on July 16, 2008 and is located in North Central New Jersey in Morris Plains.
Greystone is one of four psychiatric facilities throughout the state that make up the Division of Mental Health and Addiction Services within the Department of Human Services. For more information, please call us at (973) 538-1800.