Dr. Hal Mooney is also certified in Penn HIP radiology. Penn HIP is a not-for-profit veterinary health service located at the University of Pennsylvania. Penn HIP is a radiographic screening that evaluates a dog's hips to predict the onset of osteoarthritis (OA) or degenerative joint disease (DJD). This method assesses, measures, and interprets hip joint laxity. To read more go to : Penn Hip or call us at 860-658-1931 for more information.