- We strive to provide complete care for our patients. Learn more about all the services we provide.
You are using an outdated browser. Please upgrade your browser to improve your experience.
Request an Appointment
Pet Emergency? Read no further and call us right away!
If you live in Costa Mesa or the surrounding area in CA, then you have picked the perfect site to find a veterinarian. Drs. Timothy Donnelly, Ron Paladin, Shilo Donnelly and Karen O'Neill are licensed veterinarians, treating all types of pets and animals. Your pet's health and well being is very important to us and we will take every step to give your pet the best possible care.
Costa Mesa Animal Hospital is a full service animal hospital and will take both emergency cases as well as less urgent medical, surgical, and dental issues. Drs. Timothy Donnelly, Ron Paladin, Shilo Donnelly and Karen O'Neill is experienced in all types of conditions and treatments. Beyond first rate pet care, we make our clinic comfortable, kid-friendly, and a very calm environment so your pet can relax in the waiting room and look forward to meeting his or her own Costa Mesa veterinarian.
We have a number of resources for you to learn about how to take better care of your pets. Browse around and look at our articles and pet videos. The best veterinary care for animals is ongoing nutrition and problem prevention. If you want to ask a question call 949-548-3794 or email us and we'll promptly get back to you. Our Costa Mesa veterinarian office is very easy to get to, and you can find directions on our Contact Us page. You can also subscribe to our newsletter which is created especially for Costa Mesa pet owners. In between your veterinary visits, your pet will benefit from you reading these free informative articles.
At Costa Mesa Animal Hospital, we treat your pets like the valued family members they are.
Drs. Timothy Donnelly, Ron Paladin, Shilo Donnelly and Karen O'Neill
Costa Mesa Veterinarian | Costa Mesa Animal Hospital | 949-548-3794
480 E 17th St
Costa Mesa, CA 92627
Whenever my cats are in need of Veterinary Services I feel comforted in knowing that they are in experienced and dedicated hands at Costa Mesa Animal Hospital. I have been a client here for the past 18 years and highly recommend Dr. T Donnelly, Dr. Paladin and Dr. S. Donnelly along with their friendly support staff to provide exceptional care for your pet.
People and pets routinely died from infections before penicillin, the first antibiotic, was introduced in the first half of the 20th century. Today, veterinarians use antibiotics to treat many typ ...View Article
Is a surgery in your pet's future? If it is, you probably have a few questions about pre- and post-surgery care. Paying close attention to care recommendations will help you ensure that the surger ...View Article
Have you ever wondered if the vaccinations your pet receives are really needed? Although getting your pet into the car for the drive to the veterinarian's office isn't always easy, skipping vaccin ...View Article
Although the holidays may be an exciting time of the year for you, your pets may find the festivities a little overwhelming. Even normally well-behaved pets can experience a little anxiety when th ...View Article
Many of the same health problems that affect us, including hearing loss, also affect our pets. Fortunately, most pets adapt very well to the disability with a little help from their owners.View Article
Heartworm disease can have a devastating effect on your pet's health. National Heartworm Awareness Month, observed annually in April, reminds pet owners about the health dangers this preventable d ...View Article