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Your Trusted Veterinarians in Rancho Cucamonga, CA
Rancho West Animal Hospital has been a trusted provider of comprehensive veterinary care in Rancho Cucamonga since 2001. Our full-service animal hospital offers emergency treatment, routine medical care, surgical procedures, and dental services for pets of all ages. Led by experienced veterinarians Dr. Diana Stiles and Dr. Ashley Smith, our team combines specialized expertise with compassionate care to ensure the well-being of your pets.

We maintain strict cleanliness standards and prioritize personalized attention, making every client feel like family. With six-day-a-week availability and a commitment to community involvement, we provide reliable, high-quality veterinary services tailored to the needs of pets and their owners in the Inland Empire region.
Services
Boarding Vaccinations Dental Care Emergency Services Dog Training
Highlights and features
  • We offer 15+ years of veterinary experience from our lead professionals
  • Our hospital provides 6-day-a-week availability with emergency care
  • We maintain strict cleanliness protocols for pet and client safety
  • Our team includes certified veterinary acupuncture therapists
  • We offer comprehensive services from puppy/kitten care to geriatric medicine
What people say
Compassionate staff Excellent service Affordable prices Lifesaving treatment Caring professionals
Services
Boarding
Our boarding facility provides safe, comfortable accommodations for dogs and cats when you're away. Dogs enjoy large runs and indoor grassy play areas while cats have separate, spacious cages. Our experienced staff provides regular exercise, feeding, and affection throughout each day. We require up-to-date vaccinations for all boarders and recommend bringing your pet's regular food to maintain dietary consistency.
Vaccinations
We offer comprehensive vaccination programs tailored to each pet's specific needs and lifestyle. Our vaccine clinics operate Wednesdays 2-5:30 PM and Saturdays 10 AM-12 PM. Services include core vaccines for puppies/kittens, rabies vaccinations, and titer testing options. All vaccination plans follow veterinary guidelines to ensure optimal protection against preventable diseases.
Dental Care
Our dental services include routine cleanings, extractions, and digital radiography under anesthesia. We also offer non-anesthetic cleanings for pets requiring special care. Advanced diagnostics and treatment options help maintain your pet's oral health, which directly impacts their overall well-being. Our technicians provide education on home dental care between professional visits.
Emergency Care
We provide emergency veterinary care during regular business hours for critical conditions requiring immediate attention. Our experienced team handles trauma cases, sudden illnesses, and other urgent medical situations. While we don't offer after-hours emergency services, we prioritize urgent cases during operating hours to ensure timely treatment.
Dog Training
Certified trainer-led programs address basic obedience and behavioral issues through personalized training sessions. Options include six-week group classes and private sessions focusing on specific behavioral concerns. All training programs require pets to be current on vaccinations and emphasize positive reinforcement techniques to strengthen the human-animal bond.
People
Dr. Diana Stiles
Hospital Owner
A 2001 Colorado State University graduate, Dr. Stiles has practiced veterinary medicine in Southern California for over 20 years. She specializes in internal medicine and preventative care, with a focus on compassionate client communication. She volunteers with local animal rescues and teen outreach programs.
Dr. Ashley Smith
Associate Veterinarian
Dr. Smith earned her DVM from Ross University in 2019 after completing clinical training at Oregon State University. She provides comprehensive care for all pet types and maintains special interests in preventive medicine and exotic animal care while continuing her professional development.
Roxanne Aviles
Hospital Manager
With over a decade of veterinary experience, Roxanne manages hospital operations while maintaining her passion for animal welfare. She has worked with various species throughout her career and currently oversees two cats and a Pit bull at home.
Jessica Romero
Lead Technician
Jessica transitioned from intern to lead technician, demonstrating exceptional skills in veterinary nursing. She maintains her RVT certification while providing expert care and mentoring staff. Her personal pets receive constant attention when she's not working.
Bethany Hernandez
Lead Receptionist
Bethany combines her Animal Science degree with client service expertise as our lead receptionist. She plans to pursue advanced degrees while continuing her role connecting clients with quality pet care services through our front office operations.
Questions
What veterinary services do you offer for senior pets?
We provide comprehensive geriatric care including mobility assessments, chronic disease management, and specialized nutrition counseling to maintain quality of life for aging pets.
Do you offer after-hours emergency veterinary care?
We provide emergency services during regular business hours but recommend local 24-hour facilities for after-hours critical care needs.
What are your vaccination clinic hours?
Our discounted vaccine clinics operate Wednesdays 2-5:30 PM and Saturdays 10 AM-12 PM with no appointment required for core vaccinations.
Can I board my pet if they have special medical needs?
Our boarding facility accommodates pets with medical requirements through individualized care plans developed with our veterinary team.
Do you provide dental care for cats?
Yes, we offer complete feline dental services including routine cleanings, extractions, and oral health assessments under anesthesia.
What training programs do you offer for puppies?
Our certified trainer provides six-week puppy socialization and obedience programs focusing on basic commands and early behavioral development.