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Welcome to Gregg Animal Hospital

Located in La Habra, Ca the veterinarians at Gregg Animal Hospital are committed to your pet's health.   Gregg Animal Hospital excels in the science of Veterinary medicine and was founded in 1962. Since then Dr. Jack Gregg Jr.  and our staff have excelled in compassionate  veterinary care in the North Orange County area.

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October is Senior Wellness Month

As your dog or cat ages, many of his basic needs, from diet to exercise, will begin to change.

Dogs and cats are very good at hiding their health problems and as an owner, it’s your responsibility to keep an eye on your senior dog to ensure that you are adjusting his routine to match changes in his body and immune system that make him less able to cope with physical and environmental stresses. Routine exams, preventive medicine and adjustments to your dog’s lifestyle can help your pooch stay healthy even as the years creep up.

While each dog reaches “seniorhood” at a different age, most canines and felines become seniors between 7 and 10 years old. It’s important to know your dog’s age, so you know when he becomes a senior.

Just as with people, regular health checkups become increasingly important as your pet grows older. Most experts agree that senior dogs should be seen at least once every six months. The purpose of these wellness exams is to do three things:

  1. Promote your dog’s health and longevity.
  2. Recognize and control your pup’s health risks.
  3. Detect any illnesses at their earliest stages, which may improve treatment options.

To honor our “senior” dogs and cats Save 30% on our Senior Wellness Blood Panel during the month of October.

Call for more detail or to schedule an appointment.

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Gregg Animal Hospital is a full service companion animal hospital specializing in dog and cat care. We provide a one stop, comprehensive medical, surgical and dog and cat dental care. We also have safe, secure pet boarding.



We work hard to provide quality veterinary care throughout the life of your pet. Our services and facilities are designed to provide a comfortable environment for you and your pet from puppy or kitten to geriatriic care. We emphasize preventative care for all pets. And early detection and treatment of diseases as your pet ages (7 years or older). You can trust us to provide compassionate, complete medical and surgical care throughout your pet's lifetime.

Your dog, cat or other animal companion will be healthier with our state of the art diagnostic procedures. We use the latest in-house testing procedures and have a network of trusted external laboratories that you can rely upon for answers to your pet's health problems. If your pet requires special diagnostic procedures, we have close working relationships with top local specialists.

Don't drive all over town to get the best veterinary products and services for your pets. Our facility includes a well-stocked pharmacy, in-hospital surgery suite, in-house digital x-ray, accomodations for small and large recovering hospitalized patients and a large outdoor boarding facility complete with water misters and two grassy fenced off play areas.

We'll always strive to give you the best advice and highest level veterinary care. We want you to be able to enjoy your pet's companionship for the maximum possible time. We believe that our job is to not only treat your dog or cat when they're not feeling well, but to also help you learn how to keep your best friend happy and healthy. Our entire team is committed to providing personal attention to your unique concerns as a pet owner.


  • The city of La Habra has chosen us to be the designated Disaster Recovery Site for dogs and cats during emergencies.
  • Dr. Jack Gregg is the Veterinarian of Record for the La Habra Police Department and Animal Control.


  • La Habra Chamber of Commerce
  • La Habra Lions Club
  • La Habra Boys & Girls Club
  • Have supported many church and local community fundraisers

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