The doctors and staff of World of Animals Inc. At Mayfair are pet owners too, and our patients are a part of the World of Animals family. That is why our veterinary team strives to help educate our clients to understand all aspects of pet health and preventative care. At our Northeast Philadelphia Veterinary Hospital, we strive to provide preventive care to make sure your pet stays well and avoids any unnecessary medical emergencies. 215-624-8433.