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Welcome to Casillas Veterinary Hospitals

Your Veterinarian in Montebello, CA
Call us at (323) 726-1525

If you are ready to find the compassionate and knowledgeable care your pet deserves, we hope you will call us today! Our vets and staff are proud of Casillas Veterinary Hospital and we now offer our services at three convenient locations.


It is so important to get your pet vaccinated and some vaccinations are required by law. We offer a few different rounds of “core vaccine” shots for puppies and kittens, as well as booster shots for older dogs. Talk to us about what vaccinations your pet might be due to receive!

Spay and Neuter Services

Responsibility for your pet includes his or her reproductive system. We help keep your pets happy, healthy, and free of unwanted litters by offering vaccination procedures. Our procedure is fast and safe for your pet.


If your pet escapes from the yard or pulls off the leash, will you be able to find him or her? Microchipping services will help you locate your pet quickly; if you are ever in the terrible position of needing this service, you will be more than grateful you got it!

Nutritional and Behavioral Counseling

When you come in for your routine visits and check-ups, Dr. Casillas and Dr. Yolanda Cassidy will help you consider the overall well being of your pet. Feel free to ask questions and get helpful advice for providing your pet with the best care possible. From skin problems to pet anxiety, let our experienced doctors help you better understand the need of your dog or cat.

Geriatric Pet Health

Older pets need a special kind of care. We want to make sure your pet is happy and healthy for a long life. Our doctors will be happy to help you understand your geriatric pet’s health and prepare for end-of-life services.

Health Screenings

Is something wrong with your pet or does something just seems a bit off? Bring in your pet for a scheduled screening to find out if anything is wrong and get treatment options as quickly as possible.


If your cat or dog has been hit by a car, is limping without cause, or has other skeletal problems, we can check the cause with our X-ray technology. Our in-house X-rays provide quick answers to serious questions.

Oral Health Checkups

Most pets struggle with dental diseases, but not if they receive regular dental care and checkups. Schedule your pet’s oral checkup today to look for gum and teeth problems, and learn oral care tips from your helpful community vet.

Pet Emergencies and Surgery

When the unthinkable happens and you find yourself with a pet health emergency, we are here for you. Call us today if you need to have your pet seen by a Commerce, Montebello, or Lynwood vet as soon as possible.

Pest Control and Prevention

Don’t let the pests infest your animal or home this spring, summer and fall! Our vets will provide you with the supplies to keep those nasty fleas, ear mites and ticks away! We also prevent heartworm with deworming medicines and heartworm screenings.

At Casillas Veterinary Hospitals, we treat your pets like the valued family members they are.

Dr. Juan Casillas
Montebello Veterinarian | Casillas Veterinary Hospitals | (323) 726-1525

2437 W. Whittier Blvd
Montebello, CA 90640