Our Veterinarians

About Us:

Our Mission: Care, Compassion and Commitment. Dedicated to the pets in our community since 1978.
Our Team: Continually improving our skills and education.
Our Clients: Treated with honesty, clarity, and respect.
Our Patients: Receive personalized and excellent medical care.

Regina Yoo, DVM

Regina Yoo graduated from the University of California at Davis School of Veterinary Medicine in 2002. She joined the team of doctors at Codornices Veterinary Clinic in 2003. Before going to Veterinary School, Dr. Yoo worked as a technician and receptionist at Codornices. Dr. Yoo lives in the East Bay with her husband and their two young sons. Their family also includes two Italian Greyhounds, Felix and Oscar.

Richard Hack graduated from the University of California at Davis School of Veterinary Medicine in 1969. After working in Berkeley in small animal clinics, he founded Codornices Veterinary Clinic in 1978. He has seen the practice grow steadily over the years to become one of the most popular and respected veterinary clinics in the Bay Area. Dr. Hack lives in the East Bay with his wife and their two German Shorthaired Pointers, Kirby and Jackson. The Hack family also includes a son and daughter.

David Grant, DVM

David Grant graduated from the University of California at Davis School of Veterinary Medicine in 1993. Following graduation, Dr. Grant worked in mixed animal and small animal practices. He also spent additional years in a small animal surgical internship in Southern California. Dr. Grant joined Codornices Veterinary Clinic in 2005. He lives in the East Bay with his wife and their two young children. The Grant family also includes two dogs, Munchie, a Poodle/Chihuahua mix, Ruby, a terrier mix, and two felines, One Eye and Haley.