Donovan Veterinary Clinic, LLC. Dr. Constance D. Matson, DVM 724-238-9645 221 W Loyalhanna St, Ligonier, PA 15658 Website Hours General mixed animal veterinary practice providing care to animals in the Ligonier Valley and surrounding areas. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)