O'Sullivan Animal Hospital is your local veterinarian and 24/7 emergency animal hospital in Barrie. We offer a full range of animal care services such as wellness, preventative care, dentistry, surgery and medical treatments. Our pet boarding facilities are available to accomodate your cat or dog to be monitored post-surgery or simply while you are not at home. Our team of passionate veterinarians are pleased to provide exceptional service care for your pets!