Our Veterinarians

CA Vets

The Mt. Diablo Veterinary Medical Center team of skilled veterinarians welcomes you to our practice. Our hospital proudly serves the Lafayette and Lamorinda areas. At Mt. Diablo Veterinary Medical Center, it is our daily privilege to provide quality veterinary care to your cherished pet, with compassion and competence. We hope to ensure a positive impact on our patients, pet owners and the local community.


Dr. Robert Hagler

Dr. Hagler graduated from the University of California, Davis School of Veterinary Medicine in 1985. He has practiced small animal medicine in the Lamorinda area for the past 28 years. Dr. Hagler is a Walnut Creek native and enjoys practicing veterinary medicine close to his hometown. He is a member of the American Veterinary Medical Association, California Veterinary Medical Association, Contra Costa County Veterinary Medical Association and the American Association of Feline Practitioners.

In his free time, Dr. Hagler enjoys spending time with his family in the great outdoors, and coaching sports in the local community.


Dr. Elaine Fan

Dr. Fan grew up in the Bay Area and received her undergraduate degree from UC Berkeley in 2000 (Go Bears!). She graduated from Cornell University College of Veterinary Medicine in 2005. After graduation, Dr. Fan returned to the Bay Area to work in small animal general medicine. Her special interests include dermatology, oncology, and internal medicine. Dr. Fan currently resides in Dublin with her dog Allie, and two cats, Emma and Benny. When she is not working, Dr. Fan enjoys baking, reading, hiking with her dog, and watching Food Network.


Dr. Brenda Tam

Dr. Brenda Tam was born and raised in Southern California and relocated to the Bay area five years ago. She graduated from Western University of Health Sciences, School of Veterinary Medicine in 2011 and then completed a small animal internship in Los Angeles. Dr. Tam worked several years in California before moving to Germany. She has since come back to California to enjoy the warm sun and care for her pet patients. Dr. Tam loves to travel and explore new places with her husband and two dogs.