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.
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Mobile App & Online Booking Now Available
Introducing our new and convenient online booking tool! Learn More »Our Clients Love Us
Love MAAH I always leave knowing that my girls were given top of the line care!
Blanca Barrios
Knowledgeable drs, great staff.
Barry Boden
4.6
Rating on
Google Reviews!
