# Keystone Veterinary Behavior Services Canonical URL: https://heypaww.com/vets/clinic/keystone-veterinary-behavior-services-villanova-pa-32366 Veterinary clinic listing in Villanova, PA. - Address: PO Box 455, Villanova, PA, 19085 - Phone: (484) 580-9838 [Directions in Google Maps](https://www.google.com/maps/dir/?api=1&destination=PO%20Box%20455%2C%20Villanova%2C%20PA%2C%2019085) Directory snapshot: September 16, 2026. Contact the clinic directly to confirm its address, availability, hours, and services. Map coordinates are approximate; this is not a verified entrance. Paww is an independent directory and does not provide veterinary care or endorse this listing.