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Doctors and Staff

The doctors and staff at the El Sobrante Veterinary Hospital are committed to treating you and your pet individually and personally; with kindness and respect; and with the goal of providing the best care possible, either at our hospital or through careful referral.

Patricia Bacchetti

Dr. Patricia Bacchetti was born on a farm in the Central Valley. She decided right after high school that being a veterinarian would be a fun and rewarding job.  That’s still true to this day.  Pat did her undergraduate and graduate work at UC Davis,  receiving her DVM in 1979.    She and Dr. Kathleen Brennan have happily owned the El Sobrante Veterinary Hospital since 1986.   Professional interests are medicine and dermatology. Pat has 4 kitties at home, in addition to the racoons, skunks, possums, deer, and the foxes that share her garden. Her 19-year-old son is away at college. She is an avid bird watcher, and enjoys  travel, photography, and being outdoors.


Kathleen Brennan

Dr. Brennan grew up in a Navy family and lived in many places in the United States and in Japan. She attended UC San Diego for her undergraduate degree in chemistry, and UC Davis for her DVM. She also completed an internship in Small Animal Medicine and Surgery at UC Davis. Kathleen enjoys doing surgery at the El Sobrante Veterinary Hospital, and also likes seeing medical cases after surgery. Kathleen shares her home with 2 Welsh Corgis and 4 cats. She has a passionate interest in photography, and also enjoys going to the gym, yoga, hiking, and travel.


Head Vet Tech Andrea and her dog.
Andrea Wilson

Andrea has been working with animals all of her life. She’s been working as a veterinary technician  at El Sobrante Veterinary Hospital since 2001. Andrea is our chief phelobomist, the vet tech queen of the hospital, and our resident Animal Whisperer.


Practice Manager Monte with his dog Jango
Monte Martinez

Monte has been a part of El Sobrante Veterinary Hospital for over 20 years and is passionate about the health and well being of animals.  As a proud pet owner of three cats, Monte understands the happiness that pets bring into the lives of their owners and he is committed to working with the families of their furry patients to find creative solutions to often difficult pet health dilemmas.  With a caring smile and upbeat attitude, Monte provides excellent customer service and is open to feedback and suggestions to ensure that clients have the best possible veterinary experience. Monte is a long time residents of the San Pablo/ El Sobrante area. It is well known that Monte is a Star Wars collectibles and films enthusiast and has been so since early childhood.  He also has a love of cartoons, movies, and loud music, and more recently zombies and Giants baseball. He views the crew at El Sobrante Veterinary as a family and is grateful to be surrounded by equally committed veterinary professionals and staff.


Kelli Ocon

Kelli was born and raised in Pinole, and started coming to El Sobrante Veterinary Hospital as a youngster with her mom and dad. After high school, she graduated from Carrington College with a degree in Veterinary Technology. She began working for El Sobrante Veterinary Hospital in 2010 and obtained her RVT License in 2013. You will find her greeting and rooming clients, caring for boarding and hospitalized animals, assisting the doctors with diagnostics and monitoring patients. Outside of work She enjoys spending time with her husband, daughter and their 5 cats. 


Receptionist Amanda.
Amanda Axtell

Amanda has been working in the veterinary field for a collective of over 10 years. She has a deep appreciation for all animals since early childhood, and loves the opportunity to help pets and their humans stay healthy and happy, working as a receptionist at El Sobrante Veterinary Hospital. Amanda was born and raised in the East Bay, and joined the team in May of 2019. She is the proud guardian of her Dutch Shepherd Dog Raven, her 18 year old Calico kitty Hammy, and her Tennessee Walking Horse Mare Jazzy. Amanda also enjoys hiking, swimming, and international travel to exotic places.