Home / Greater Philadelphia Resource Guide / Elwyn / Elwyn Services: Disability (Blind/Deaf/Cognitive Disability), Education, Employment Resources, Mental Health Populations Served: Adults,Families,Men,Mental Health,Women,Youth Description: Elwyn provides services in many counties in Pennsylvania including: Berks County, Chester County, Delaware County, Montgomery County, Philadelphia County. Elwyn provides services in both New Jersey, and Delaware Address: 111 Elwyn Road Elwyn, PA 19063 Phone: 610-891-2000 Website Directions Back to Resource Guide