Aloha Animal Hospital
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About Us


Our Veterinarians
World Class Medicine - Small Town Care

Know you by Name, Know Your Pet’s Name, Genuinely Care About Your Pet’s Best Health

When you bring your pet through our front doors, you're entrusting us with an important member of your family. We don't take that lightly. Aloha Animal Hospital Associates is a group of highly trained experts, rich with multi-disciplinary training, who also possess a unique, intangible trait - genuine compassion for animals.

There are many choices for veterinary care on the island, but our clients tell us they wouldn't go anywhere else. Why? It's more than the top level of healthcare we provide. It's the way we care. We are highly trained and educated, and we apply that training with gentleness and sensitivity.

Meet The Aloha Animal Hospital Docs

Dr. Douglas K.Y. Chang, DVM: The "Alpha Dog"

Dr. Chang is the President of Aloha Animal Hospital Associates and sets the day-to-day pace of the organization. He splits his time among a number of responsibilities including caring for pets, training/managing the staff and staying ahead of the rapidly changing field of veterinary science.

Dr. Chang is always pushing the staff at Aloha Animal Hospital Associates towards greater excellence. "If you compared me to a dog, I guess I can be sort of barky," he said. As a result, his staff characterizes him as a miniature pincher. "They tend to have a small dog complex," Dr. Chang chuckles. "They can be yappy, but they know how to get things done." Dr. Chang said his motives are always good, even if his style can be intense. "I'm passionate about giving the highest level of care to our pets. That can make me a little bit pushy. But inside, I'm more of a lab," he said. "When I know we're giving the very best care - like when we save a pet's life - then I'm able to relax and be very enthusiastic and cheerful."

When he's not busy at Aloha Animal Hospital Associates, Dr. Chang takes working vacations where he volunteers his time to help build and restore hiking trails and community centers. He also visits the gym regularly to keep himself flexible and maintain his stamina for the rigors of the profession.

Dr. Chang at a Glance:

  • Started Aloha Animal Hospital Associates: 1986
  • Degree: Doctorate of Veterinary Medicine, Colorado State University. Bachelor of Science degree from Washington State University.
  • Recognition: American Veterinary Medical Association Auxiliary Award, Mayor's Technology Award.
  • Professional Appointments: Far West Regional Director of the American Animal Hospital Association, State Representative of the American Veterinary Medical Association, President of the Honolulu Veterinary Society, Veterinary Chairman of the Morris Animal Foundation, Director of the Eye of the Pacific Guide Dogs, and Charter President of the Honolulu Optimists International.
  • Media Host: Dr. Chang is often called upon by the media as a spokesperson on pet issues. He has served as the host of "Animal Answers" on KITV (Hawaii's ABC affiliate) and "Pets and Vets," weekly radio show.
  • Pets: Similar to his work environment, Dr. Chang is surrounded by pets. He has two dogs - Missy, a female terrier mix, and Lili, a female Coton de Tulear. He has a cat named Roxie, a turtle and a variety of fish, but it doesn't end there. Outside in his garden, he has three Mille Fleur chickens named Mille, Flora and Luci. They're raising chicks.
Dr. Chang isn't just a great vet, he's also a great community volunteer. Here he is at a Honolulu preschool, sitting in a chair built for a 5-year-old, teaching kids what it's like to be a vet.

Meet Dr. Ganzer

Becoming a Vet Fulfills His Lifelong Dream

Like many 8-year-olds, Gavin Ganzer wanted to be a veterinarian when he grew up. The difference between Gavin and most other kids is that Gavin was actually right. At that young age, he started gaining lifelong experience for his future profession and firmly set his eyes on the prize – helping animals.

“I love animals,” says Gavin, a childhood resident of Kailua. “I’ve always had pets: Jackson Chameleons, turtles, salamanders. By the time I was 12, I was already raising Love Birds.” As he grew up, Gavin studied diligently in school, knowing that acceptance into the Pre-Veterinary program at the University of Hawaii would be challenging. By the time he graduated from Lutheran High School, his discipline earned him a place in the program. He finished his undergraduate degree at UH Manoa and attended Iowa State University for his Doctorate in Veterinary Medicine.

Today, this pet-loving local boy is Dr. Ganzer, Aloha Animal Hospital Associates’ newest vet.

“I didn’t want to stay on the mainland after graduation. I wanted to come home to Hawaii to start my career and family,” said Dr. Ganzer. He and his wife recently had their first child who will no doubt become an animal lover herself. they have a cat name Pudgy.

When Dr. Ganzer returned to the islands, he began meeting with local experts in veterinary medicine to find out which vet hospitals were most respected. Those meetings led him to Aloha Animal Hospital Associates. “I went in for a visit,” he said. “As I listened to Dr. Chang’s philosophy about pet care, I was immediately encouraged. Then, as I observed the staff, it became obvious how much they genuinely love pets and how knowledgeable they are in their fields. I am so glad that Aloha Animal Hospital Associates is the place where I can finally begin doing what I’ve always wanted to do.”


One of Dr. Ganzer’s first patients was a cat with a chest infection.

“I took X-rays to assess whether the infection was viral or bacterial,” he said. “Our lab techs gave us a quick and accurate reading and we were able to provide the proper treatment,” he said. “The cat has since recovered. I saw the improvement for myself on a recent follow-up visit, and just knowing how much better the cat – and his owner – felt, validated all the years of hard work. It was worth it.”

Describing the environment of Aloha Animal Hospital as both fun and busy, Dr. Ganzer has been treating a wide spectrum of cases including dermatitis (mostly caused by fleas and food allergies), toe and eye injuries, endocrine diseases, and healthy pets having their annual check-ups. He has been enjoying the opportunity to care for many different types of pets.

“I look forward to each day,” he says, noting that he benefits from the wealth of knowledge of Aloha Animal Hospital’s other veterinarians. “Their expertise in veterinary medicine is amazing,” he said. Watching Dr. Ganzer at work proves that some kids really do know exactly what they want to do when they grow up.

“As a kid, I cared for my own pets. Now as an adult, I still care for my own, but also my clients’. This truly is a dream job come true.”

Dr. Miles Yoshioka: The “E.R.” Man

On-call Veterinary Surgeon
When Dr. Miles Yoshioka's telephone rings, it's important. A cat or dog's life may be hanging in the balance. Dr. Miles Yoshioka specializes in sensitive, delicate surgeries such as repairing shattered pelvises, operating on spinal injuries or delicately removing tumors. Aloha Animal Hospital Associates calls on Dr. Yoshioka as a specialist in tricky surgeries in very small animals, such as dogs that weigh 5 or 6 pounds.

Dr. Yoshioka is a local boy from Kaimuki who returned to the islands in 2007 after owning a referral practice in Southern California for 20 years. He gained expertise in this highly specialized area by assisting veterinarians with these types of surgeries.

He is an expert at fusing bones by using human-type bone plates made of titanium alloy. This is very similar to the processes performed on humans. In his career, he has performed thousands of surgeries, and continues to hone his skills, but it's his genuine concern for dogs and cats that is always apparent to others.

"I've operated on countless dogs and cats who were hit by cars," he said. "When they come to me, they're in significant pain. I hate to see them that way, but I almost always see them walk - and run - again. Watching them recover, and sharing in their family's joy, is what keeps me motivated. It reminds me how much I love being a veterinary surgeon."

When he's not in surgery, Dr. Yoshioka likes to be outdoors. He enjoys water sports such as diving, fishing, windsurfing and kayaking.

Dr. Yoshioka at a Glance:

  • Collaborating with Aloha Animal Hospital Associates Since: 2007
  • Degree: Doctor of Veterinary Medicine, Colorado State University
  • Surgical Residency: Animal Medical Center, New York City
  • Staff Surgeon: Angell Memorial Animal Hospital, Boston
  • Certified as a Diplomat: American College Of Veterinary Surgeons
  • Pet: Maile, a rescue cat

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Our Vets

When you bring your pet through our front doors, you're entrusting us with an important member of your family. We don't take that lightly. Aloha Animal Hospital Associates is a group of dedicated, highly trained experts who are rich with multi-disciplinary training.


Ever had pet questions such as "How should I introduce a new cat to my other pets?" or "Is it OK for my dog to lick my child’s face?" Get answers from leading veterinarians!

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