Daniel Horton, DVM

Dr. Horton was born in Salt Lake City, Utah into a family full of scientists and surrounded by animals. There was a goat, rabbits and chickens, as well as the full complement of dogs and cats. Exposure to veterinary medicine as an undergraduate at Utah State University in Logan, Utah solidified an already growing interest and led to the DVM degree (cum laude) through a combined program with Oregon State and Washington State Universities.

Working in veterinary hospitals in Idaho, in Utah, on the Navajo Reservation and in Alabama provided a wide variety of experiences. Both Dr. Horton and his wife, who is also a veterinarian, were very excited by the opportunity to return to Arizona in 1994 and have been here ever since, sharing a home in Rio Rico with their daughter, 4 cats, a dog and two birds.

Professional interests include the diagnostic puzzles of internal medicine, canine and feline behavioral problems, and abdominal surgery. Other passions include rock-climbing, playing music, traveling and attending theater.

Jose L. Jacquez III, Certified Veterinary Technician

Born and raised in Nogales, Arizona, Jose graduated from Nogales High School in 2001 and received an Associate of Applied Science in Veterinary Technology Degree from Pima Community College in 2007. After passing the rigorous Arizona Veterinary Technician State Board exam in 2007, he became Santa Cruz County’s only practicing Certified Veterinary Technician.

Jose has worked at San Cayetano Veterinary Hospital since August 2005 and lives in Rio Rico with his wife and young son and daughter, two Labrador-mix dogs named Kiko and Benji.

What is it you like about veterinary medicine?

“The privilege to work and help animals in need of medical care. It’s a great feeling knowing you have saved an animal from suffering and pain. It’s also an honor to be a part of veterinary medicine because of the role in participating in preventative medicine such as vaccinations to prevent animals from horrible diseases.”

Araceli Orozco, Veterinary Technician

Araceli was born in Tucson, Arizona but has lived in Rio Rico, Arizona since 1998. She has worked at San Cayetano Veterinary Hospital since July 2004. In addition to continuing her studies at Pima Community College and the University of Arizona, she shares her home with Amigo, a dog adopted from the humane society, and an Amazon Parrot named Solovino. Ranching is a family tradition and 18 horses and around 500 head of cattle round out the animal picture.

What is it you like about veterinary medicine?

“First and foremost I love all animals. The opportunity to help pets when they are ill or injured is a blessing. I get lots of satisfaction knowing that I had a part to play in helping an animal in their time of need. To see them bounce back from a great fall is great! My heart is in it 100%.”

Norma Leyva, Veterinary Assistant

Norma was born in Elko, Nevada. She was mostly raised in the Rio Rico/Nogales area. She graduated from Rio Rico High School in 2002. She has been working for the San Cayetano Veterinary Hospital since February 2007. Her family has always kept pets and her father makes saddles for horses. She currently has 12 cats named Lynx, Mini, Purrsy, Cinnamon, Boo, Cyan, Noche, Lovie, Sunny, Romeo, Jadie and Pebbles and 3 dogs named Lia, Petrie and Scrappy. She studied to become a dental assistant, but decided to help animals in need.

"I enjoy creating a bond between the clients and their pets. My favorite part of animal medicine is surgery. I am very grateful to be able to work in a facility where the staff is close and work well together. "

Patricia Ann Hilton, Office Manager

Patricia (Patty) Hilton was born and raised in Clifton, New Jersey – a relatively small community just 10 miles west of New York City, with Mom, Dad, three sisters and Terry the Terrible Terrier. Patty grew up with a love of animals and was taught early on that our household pets were very much a part of the family. Throughout her life Patty has always shared her household with at least one dog.

Following graduation from Clifton HS, Patty attended Essex College in Newark, NJ as a psychology major and, after a move to Arizona in the 80’s, attended Pima Colllege in Tucson, completing her studies in Hotel Sales & Marketing. While living in Tucson she enjoyed a successful career as a Marketing Director for leaders in the hotel and resort industry with her favorite, of course, being Hilton (a coincidence).

Patty relocated to Rio Rico in 2001 leaving behind the world of business to pursue a new venture with more of a community focus working with non-profits, writing grants, fundraising, and administering several of the programs that through her efforts were funded. Her work included children’s programs in music, art, safety and animals, bringing her back to her to one of her first loves – that of animals. Living in Santa Cruz County also gave her the opportunity to add two horses to her family that already consisted of a very spoiled dog and two cats … all rescues.

In September of 2012 Patty joined the staff of the San Cayetano Veterinary Hospital as Office Manager.

“I love my work here as it gives me the opportunity to work in an environment of not only caring for animals but working with talented people who share my passion and helping to provide a meaningful service to the community.”

One of Patty’s goals here at SCVH is to increase awareness and secure additional funding for the hospital’s Silver Lining Fund that was established to help pay for the medical expenses for needy animals.

Joyce Roberta Enciso, Kennel Help

Joyce was born in Phoenix, Arizona, brought home to Nogales, and raised. She had all of her schooling in Nogales, as well. She has 10 cats, - her daughter in law has some of hers at her place, too - 3 dogs, 5 human puppies and nothing else, yet.

"All of my training, and first real job was with Dr. Horton. He gave me an opportunity many people will never get. Over 20 years as an at home mom made me feel I'd just arrived at the bottom of Mt. Everest, with a lot of catching up and learning to do everywhere! I appreciate Dr. Horton's patience - a good boss and teacher.

I do love all animals. I want to be a part of helping them be well, happy, have a home, be spayed and neutered, educate others about animals and hopefully see the day there are no more animals euthanized simply because they've been born. Our two doctors and our team give me that motivation and inspiration every day. I see their sincerity in their caring, and it makes me feel that I am a big part of truly making a real difference."

Clinic Animals

Bob is a handsome brown cat who stayed at the clinic intermittently during his owner's illness and now lives full time down at the clinic. He's a little bit shy, but he loves people.

Mister is a black and white cat who was adopted from the Santa Cruz Humane society in 2003. He's a friendly clinic cat, although also somewhat shy. He loves hiding behind the computer screens in the doctors' office.

The clinic is also home to two talkative parakeets, Pagliacci and Pavarotti, who keep the front desk and waiting room lively.

Beyond the full-time residents, San Cayetano Veterinary Hospital often has cats and dogs that for one reason or another are looking for a new home, so if you are looking to adopt, SCVH can be a great place to start.

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Office Hours

Our Regular Schedule

Rio Rico Office


8:00 am-5:00 pm


7:30 am-6:00 pm


8:00 am-5:00 pm


7:30 am-6:00 pm


8:00 am-5:00 pm


1st and 3rd of Every Month by Appointment