50 Years Of Caring - Convenient Evening Hours. We've been dedicated to your pet's health and well-being, with special interests in skin disorders, internal medicine and surgery. At DeWitt Animal Hospital we strive to offer not only sound advice, but also optimal veterinary care, thus allowing you the enjoyment of your companion for a maximum number of years. Our job is not only to treat your pet when he or she isn't feeling well, but also to help you learn how to keep your best friend happy and healthy.