About us

Cocker spaniel

Rancho West Animal Hospital is proud to serve the Rancho Cucamonga, CA area for everything pet-related. Our veterinary clinic and animal hospital is run by Dr. Diana Stiles, who is a licensed, experienced Rancho Cucamonga veterinarian.

Our team is committed to educating our clients in how to keep your pets healthy year round, with good nutrition and exercise. Rancho West Animal Hospital stays on top of the latest advances in veterinarian technology and above all, remembers that all animals and pets need to be treated with loving care in every check-up, procedure, or surgery.


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Office Hours

Rancho Cucamonga Office

Monday - Friday:

9:00 am - 6:00 pm


9:00 am - 2:00 pm




Read What Our Clients Say

  • "Coming soon!"