Mountain Avenue Animal Hospital

Ontario, CA

At a glance

Facility type
Veterinary Practice
Practice tier
General
Clinic type
Standalone
Operating status
Operational
Appointment model
Both
24/7 care
No

Species treated

Small Animal Companion

Services

General Practice Wellness Vaccination Spay Neuter Surgery Dentistry Imaging In House Lab Pharmacy Hospitalization Grooming

Amenities & accessibility

Accessibility
Wheelchair accessible parking lotWheelchair accessible restroom

Overview

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

Care capabilities

Emergency
Urgent Care Only
End-of-life care
In Clinic

Team at a glance

2
Veterinarians (DVM)
12
Support staff
14
Total team

Individual names, titles & bios are in the practice intelligence layer below.

Services in detail

Dog & Cat CarePet MicrochippingPet NutritionPet Allergy & DermatologyDiagnosticsPet Laser TherapyPet Dental CareBoardingPet GroomingPharmacy & Pet ProductsPet Health CertificatesEnd of Life Pet Care
Show all 17 services
Spay & Neuter ProceduresAdvanced Soft Tissue SurgeryOrthopedic Pet SurgeryUrgent pet careWellness

Appointments & hours

Book online

Monday: 8:00am - 6:00pm Tuesday: 8:00am - 6:00pm Wednesday: 8:00am - 6:00pm Thursday: 8:00am - 6:00pm Friday: 8:00am - 6:00pm Saturday: 8:00am - 1:00pm Sunday: Closed

Frequently asked

Is Mountain Avenue Animal Hospital accepting new patients?+

Yes — Mountain Avenue Animal Hospital is currently accepting new patients.

Does Mountain Avenue Animal Hospital offer emergency or urgent care?+

Mountain Avenue Animal Hospital offers urgent care appointments most days of the week (not a 24/7 ER).

What services does Mountain Avenue Animal Hospital offer?+

Mountain Avenue Animal Hospital offers General Practice, Wellness, Vaccination, Spay Neuter, Surgery, Dentistry, Imaging, In House Lab, and more.

What reviewers say

85% Positive sentiment
based on 339 reviews

Mountain Avenue Animal Hospital is a well-established veterinary practice offering general medical care, urgent visits, grooming, and end-of-life services. The facility is known for providing compassionate, patient, and thorough care, particularly for anxious pets. Appointments are typically easy to schedule on short notice, and the veterinary team is praised for clear communication and fair pricing. In addition to standard medical exams and vaccinations, the practice features on-site grooming services that receive high praise from clients.

Frequently praised for

Compassionate StaffKnowledgeable VetsThorough ExplanationsShort WaitEasy SchedulingFair PricingGood With Anxious PetsGreat Emergency Response

Aggregated from reviewer feedback across multiple sources.

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Inside the full profile

  • Ownership & corporate structure
  • Team & DVM count
  • Hiring & expansion signals
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  • Capability signals — gaps & confirmed services
  • Review intelligence — sentiment, pricing & named staff

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Data as of July 2026. VetPulse aggregates public-record and licensing data; it does not represent the practice directly.