Mountain Avenue Animal Hospital
Mountain Avenue Animal Hospital is a veterinary practice in Ontario, CA. Its website lists orthopedic surgery, laser therapy, dermatology and boarding, plus 7 other services shown below.
Treats:✓ Dogs✓ Cats? Exotic pets? Farm & equine? = not confirmed — ask when you call.
Contact & location
- Address
- 1155 N Mountain Ave, Ontario, CA 91762
- Phone
- (909) 986-4548
What Mountain Avenue Animal Hospital says it offers
From their own website, read September 26, 2026. Not listed doesn't mean not offered — confirm when you call.
Services listed
- Dentistry
- Surgery
- Orthopedic surgery
- Spay & neuter
- Microchipping
- Laser therapy
- Dermatology
- Pharmacy
- Boarding
- Grooming
- Travel health certificates
- Appointments
- Online booking or requests
Data status: Compiled from public sources on 2026-09-14; not independently verified.Spot an error? Report a correction.
If Mountain Avenue Animal Hospital is closed
General practice, not an emergency hospital. For anything that cannot wait, use one of the emergency hospitals below.
Nearest 24-hour emergency hospitals
- VEG ER for Pets - Rancho Cucamonga — Rancho Cucamonga, ~7 miles away, roughly a 12 min drive · (909) 280-2496
- PetEmerg Emegency Animal Hospital — Rancho Cucamonga, ~8 miles away, roughly a 14 min drive · (909) 922-8007
- Veterinary Emergency Group - Anaheim — Anaheim, ~15 miles away, roughly a 21 min drive · (714) 616-5570
Drive times are straight-line estimates.
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Other vets near Ontario, CA
Ordered by distance.
- Thrive Pet Healthcare - Eye Care for AnimalsUpland · ~1 miles · 🚗 ~3 min
- Inland Valley Veterinary SpecialistsUpland · ~1 miles · 🚗 ~5 min
- City Pet HospitalOntario · ~1 miles · 🚗 ~5 min
- Arrow Dog And Cat HospitalMontclair · ~1 miles · 🚗 ~6 min
- Ontario Veterinary HospitalMontclair · ~1 miles · 🚗 ~5 min
- Foothill Animal HospitalUpland · ~1 miles · 🚗 ~5 min
Suspected poisoning: call ASPCA Animal Poison Control on (888) 426-4435 (24/7, consultation fee applies) on the way in.