VCA Westside Animal Hospital

Veterinary Support

  • Technician Supervisor

    Denise Messina

    Denise grew up in Sonoma County, California. After graduating High School in 1995, she continued her education at CSU Chico, California and is currently working toward her RVT License at the Santa Rosa Junior College.

    Denise started working in the veterinary field in 2001 and has loved every minute of it! She is passionate about the never ending opportunity to learn something new in veterinary medicine.

    Denise and her husband live in Santa Rosa with their 6 year old manx kitty, Nola, 8 year old chow mix, Louie, 6 year old Labrador, Stewart Little, and 1 ½ year old jack russell terrier/corgi mix, Elle.


  • Registered Veterinary Technician

    Sammy R.

    As a child, Sammy grew up helping her grandfather raise steers in Petaluma and always harbored a passion for helping animals.

    After high school graduation in 2005, Sammy attended a vocational college in Sacramento, California. She began working in the veterinary field as a technician. In 2008, she became licensed as a registered veterinary technician.

    Sammy and her husband live in Cloverdale with their 4 furry “kids”. Pugsly, Penny, and Hickory are all three very lovable pugs that keep the Boxer, Cami, great company.

  • Veterinary Assistant

    Amber W.

    As a child, Amber was born in Phoenix, Arizona and grew up in California. She had a passion to work with animals as long as she can remember.

    Amber has traveled and worked in Arizona, New York to California. In Arizona, she was a care giver in a group home for the visually impaired. Amber’s been in veterinary medicine for the past 7 years. She’s worked with mostly domestic animals but wild life as well.

    Amber lives in Santa Rosa with her American Pitbull, Faith and two cats, Pita and Whisper. Pita’s a domestic long haired tortoise shell and Whisper is her “jet black beauty”! Amber has unconditional love for them as she does for all creatures!


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:


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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.