Animal Hospital of Walnut

Animal Hospital of Walnut is a veterinarian in Diamond Bar, CA. The practice serves small animals and offers wellness exams, nutrition counseling, dental care, vaccinations, parasite prevention, microchipping, in-house diagnostics, and spay and neuter procedures. Surgical and dental services are delivered alongside medical care across all life stages. The hospital also provides urgent care during regular business hours for non-emergent concerns such as fever, mild dehydration, minor wounds, limping, vomiting, ear infections, skin allergies, and urinary tract issues. Hours run Monday through Saturday from 8 am to 6 pm, with Sundays closed. The hospital holds a rating of 4.60.

The hospital is locally owned and operated, with Dr. Christiana Otterson and Dr. Theresa Chao serving as Co-medical Directors. The team undergoes yearly continuing education to stay current with veterinary medicine, and the practice emphasizes open communication and collaboration among its doctors and support staff. Pet parents are educated as part of every wellness exam so they can make informed decisions about their pets' health. The hospital is also open on Saturdays to accommodate urgent care needs, and when after-hours emergencies arise, the practice refers clients to nearby emergency clinics in Upland and Ontario.

The practice sits on Valley Boulevard at 22039 Valley Blvd, Suite G, in Walnut. With a 4.60 rating and Saturday availability, the hospital gives Diamond Bar-area pet owners a local option for both routine wellness and same-day urgent concerns.