About Rancho West Animal Hospital

Rancho West Animal Hospital proudly serves Rancho Cucamonga and the surrounding areas for everything pet-related. Our veterinary hospital is run and owned by Dr. Diana Stiles, a 2001 graduate of Colorado State University, College of Veterinary Medicine and Biomedical Sciences.

Our staff is here when you need us, whether it's for a routine checkup or vaccinations, illness, dental care, surgery, or boarding. From the doctors to our staff, we are specially trained to provide your pet with excellent medical care, but also outstanding customer service based on compassion, respect, and clear communication. We also maintain strict cleanliness procedures to ensure the health and safety of both you and your pets while you are with us. Here at Rancho West Animal Hospital, we take pride in our work and our hospital and strive to make sure that you and your fur babies always feel like family.

We are open six days a week and provide scheduled routine care, as well as urgent and emergency care.


Rancho West Animal Hospital