Welcome to Rancho West Animal Hospital
Your Veterinarian in Rancho Cucamonga, CA

If you live in Rancho Cucamonga or the surrounding area and need a trusted veterinarian to care for your pets – look no further. Dr. Diana Stiles is a licensed CA veterinarian, treating all types of pets. Your pets’ health and wellbeing are very important to us, and we take every possible measure to give your animals the care they deserve.

Rancho West Animal Hospital is a full-service animal hospital and welcomes both emergency treatment cases as well as pet patients in need of routine medical, surgical, and dental care. Dr. Diana Stiles has years of experience treating serious conditions and offering regular pet wellness care. Beyond first-rate pet care, we make our clinic comfortable, kid-friendly, and calm, so your pet can relax in the waiting room and look forward to meeting our Rancho Cucamonga veterinarian.

We are happy to offer a number of resources that enable you to learn about how to take better care of your pets. Please feel free to browse our site, particularly the informational articles. The best veterinary care for animals is ongoing nutrition and problem prevention, so becoming knowledgeable about preventative pet care is essential to the ongoing success of your animal’s health. If you have any questions, call 909-466-5490 or contact us and we'll promptly get back to you. Our Rancho Cucamonga veterinarian office is very easy to get to - just check out the map below! We also welcome you to subscribe to our newsletter, which is created especially for Rancho Cucamonga pet owners.

At Rancho West Animal Hospital, we treat your pets like the valued family members they are.

Dr. Diana Stiles
Rancho Cucamonga Veterinarian | Rancho West Animal Hospital | 909-466-5490

8645 Baseline Rd.
Rancho Cucamonga, CA 91730

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Office Hours

Rancho Cucamonga Office

Monday - Friday:

9:00 am - 6:00 pm


9:00 am - 2:00 pm




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