Where is pennpenn pennsylvania psychiatric institute located? Pennsylvania Psychiatric Institute is located at 2501 North Third Street, Harrisburg, PA. Find directions at US News. What do patients say about Pennsylvania Psychiatric Institute? US News has published patient experience ratings at Pennsylvania Psychiatric Institute in up to 10 key categories. See ratings.Where can i get help with mental health problems in pennsylvania? Where to get help with mental health problems in Pennsylvania. Pennsylvania Psychiatric Institute (PPI) provides behavioral health services to the residents of Central Pennsylvania and surrounding region.What is the department of psychiatry at penn state? At Penn State Health Milton S. Hershey Medical Center, the Department of Psychiatry and Behavioral Health provides innovative care for patients, educates the health care providers and academicians of the future and produces and disseminates new knowledge in its research programs.