Welcome to Mountain Avenue Animal Hospital!
Mountain Avenue Animal Hospital provides quality veterinary care for cats, and dogs in Ontario, CA and the surrounding communities.
We are committed to treating our patients with compassionate hearts, gentle hands, kind words, and superior care. Additional pet services include pet laser therapy and pet grooming.
For new clients, please call (909) 986-4548 today to make an appointment for your pet. For returning clients, please book an appointment online.
6 New Year’s Resolutions for a Happier, Healthier Pet
Make 2026 your pet's healthiest year! Set six achievable New Year's resolutions for better nutrition, fitness, mental enrichment and preventative vet care for your pet.
Learn More »Our Clients Love Us
Old customer with our new Dog Bodine. Dr. Kim examined and recommended all of his shots. We have trusted Dr. Kim and staff for years without a single complaint.
Gary Knox
my visit was pleasant fast and the the dog got better after the visit and medicine prescribed to her. I highly recommend it.
Al Gutierrez
4.6
Rating on
Google Reviews!
