Vet Clinics in Middletown, Pennsylvania2 veterinary clinics in Middletown, Pennsylvania.HomeClinicsPennsylvaniaMiddletownClinicsLondonderry Animal Hospital: Book Glenn W DVM — 2164 E Harrisburg Pike, Middletown, PA 17057, USA (5 stars)Londonderry Animal Hospital — 2164 E Harrisburg Pike, Middletown, PA 17057, USA (4.7 stars)