Animal Hospital of Walnut is veterinarian owned and operated by Dr. Christiana Otterson. The animal hospital has been serving the Walnut and Diamond Bar community since 1981 and has recently undergone a remodel. Our facility allows our team to work efficiently, while your pets enjoy the highest level of comfort and care. We are proud to feature an impressive array of the latest technology and equipment including digital radiology, laser therapy, and ultrasound. Our team consists of individuals coming together to create a culture that cares for each other, and for you and your pet.