Our Team

The VCA Valley Oak staff love what we do. We are committed to providing compassionate care for our patients. Our doctors have extensive training and experience in a multitude of disciplines, including life stage care and preventive care, dental, laboratory services, radiology, surgical and emergency procedures.

We are devoted to our patients. Ask for a tour to see our facility to see our staff in action, caring for patients and families. We are so very fortunate to be a part of this great profession.

Discover how the right people combined with the best resources make VCA Valley Oak Veterinary Center an outstanding veterinary hospital that you and your family members can have confidence in.

paw Team Spotlight
Erin Portillo
MS, DVM, DACVIM - Internal Medicine Medical Director

Dr. Erin Portillo, our Medical Director, is a fourth generation Chicoan. She has a Bachelor's degree in Animal Science & Master's degree in Immunology from the University of California Davis, and she received her DVM degree from Oklahoma State University. Dr. Portillo completed her internship at Mississippi State University followed by a three-year small animal Internal Medicine residency at Iowa State University. She is Board Certified in Internal Medicine with interests in endoscopy, hematology, and gastroenterology.

She is married to Dr. Matthew Portillo and is the proud parent of two dogs, two cats, and t...

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Veterinarian Support

Our technicians and support team members are all gentle animal lovers who treat your pets with the compassion and respect they deserve. Explore our support team members' biographies and learn about the individuals who make our hospital such a good choice for your pet's care.


The hospital administration team consists of management personnel who oversee all staff members, hospital activities and the facilities. Together, they keep the hospital running smoothly, ensuring quality patient care and excellent client service. From the moment you check in, our administrative staff is here to deliver the best possible experience to you and your pet before, during and after your visit.
Come Care With Us
Our teams are united in our common purpose of taking care of the future of veterinary medicine.
Join Our Team