VCA Rossmoor-El Dorado Animal Hospital

Veterinary Support

  • Technician Supervisor

    Angelica Mares
    School: Cal Poly Pomona, BS

    Angie Mares has been with VCA since 2004. She has also done work at an Emergency Hospital for 2 years and has basic experience with large animals including farm animals. She took part in a collegiate research project where she had the opportunity to handle ostriches and study their muscular energy and oxygen consumption during exercise. She became a Registered Veterinary Technician in December of 2009. She received her Bachelors of Science degree in Animal Science with a Pre-Vet option June of 2010 at California State Polytechnic University of Pomona. Angie will be applying to schools of Veterinary Medicine in the coming year. Angie has 2 large dogs and a very precocious cat. She is very passionate about her work and is always on the search to improve her self, whether it is by improving her skills or increasing her knowledge. Angie�s goal is to provide you and your pets outstanding customer service combined with knowledge and compassion.

  • Licensed Veterinary Technician

    Antoinette Fuentes
    Veterinary Tech School: VASE

    I am married with one son. I started out as a sign language interpreter and am fluent in American Sign Language. I have been in the veterinary business for over 13 years. I have several dogs, cats and pigeons.

  • Veterinary Assistant

    Jenna Amaya

    Hi! My name is Jenna! I have been with VCA since 2006. I have 2 cats that I bottle fed as kittens and also 1 more cat that I rescued.

  • Veterinary Assistant

    Arturo Arrivasplata

    I have been working in the veterinary field since 2008. I have 2 dogs, a poodle and a chihuahua.

  • Veterinary Assistant

    Lucy Chavez

    I'm working at VCA because I care for animals. I myself own 2 dogs, a lab and a husky. Ive been working at VCA Rossmoor since 2014 and loving it and the crew!

  • Veterinary Assistant

    Bettina Colangelo

    I was raised back East and came to California in 1995. I first started with VCA in 2001. My passion has always been to work with animals. I love all animals especially dachshunds and horses. I also love cats.

  • Veterinary Assistant

    Jennifer Lopez

    Jennifer was born in Los Angeles and raised in Long Beach. She became a ROP volunteer for 4 semesters in high school and started working for VCA in 2010. She is the owner of two dogs and two cats as well as a rescue cat. She has always owned animals since her childhood.

  • Veterinary Assistant

    Isabel Malacara

    Hi! My name is Isabel. I have been working in the veterinary field since 2005. I am currently going through the veterinary technician program at Mount Sac. I always knew at a young age, I always wanted to work with animals. My biggest satisfaction is knowing I helped out sick or injured pets.

  • Veterinary Assistant

    Luis Mares

    My name is Luis Mares and I have been working for VCA Rossmoor since April 2013. I am currently going to school for psychology, yet I am undecided on my career options. I am more interested in the biological aspect of psychology if anything. My passion and hobby is music. I have played the guitar for 7 years.

  • Veterinary Assistant

    Sandra Robles

    My name is Sandra. I have been an employee at VCA Rossmoor since February 2005.

  • Veterinary Assistant

    Lorena Ureno-Mares
    School: Cal Poly Pomona, BS Animal Health Science

    My name is Lorena. I have been working in veterinary medicine since 2006. I have a Bachelors in Animal Health Science from Cal Poly Pomona. I have 3 dogs. I love to help animals and plan to get my RVT license. I have been with VCA since 2013.

  • Veterinary Assistant

    Chris Ventura

    I have been working in the veterinary field since 2010 and a member of the VCA Rossmoor Hospital since 2013. I am an animal lover and proud owner of a siberian husky.

  • Veterinary Assistant

    Tierra Zampa

    My name is Tierra Zampa. I've been an animal lover all my life. I have 2 dogs, a cat, 2 CA desert tortoises and 5 chickens. I'm currently a full-time student and my goal is to become an equine vet.


Specialty Care

Sometimes sick or injured pets need the care of a veterinary medical specialist. When that happens, VCA specialty hospitals work closely with the general practitioner veterinarians who refer cases to us in order to provide seamless veterinary care to your pet. When your pet is facing any kind of serious illness or injury, our specialty referral hospitals will provide the compassionate and expert care your beloved pet needs.

Our goal is to make sure that when you and your pet are in need that you have access to board certified specialists who are up to date on the very latest developments in their field. In our state of the art hospitals, our specialists also have access to the most sophisticated diagnostic and treatment tools and techniques from ultrasonography and endoscopy to CAT scans and even MRI.

As part of the VCA family, we have over 83 specialty hospitals across the US and Canada which provide referral specialty care, so there may be one near you. Our specialized services include: behavior, cardiology, critical care, dentistry, dermatology, integrative medicine, internal medicine, neurology, oncology, ophthalmology, radiology, rehabilitation, reproduction, and surgery.

Find a VCA Specialty Care Animal Hospital near you:


See all VCA Animal Hospitals >


Emergency Care

In case of emergency during normal business hours, please call us immediately. If you have an emergency outside of our normal business hours, please contact a local emergency animal hospital.