11189 Sorrento Valley Road, Suite 105    |    San Diego, CA  92121    |    858.225.4191

About the Willow Veterinary Center Team in San Diego

veterinary pain management, san diegoSofia Padilla, DVM, Medical Director, Pet Loss and Grief Companioning Certified

Dr. Sofia Padilla was born and raised in Escondido, California. She began her career in the veterinary field 14 years ago as a veterinary assistant. She recognized her passion for veterinary medicine and committed herself to becoming a veterinarian. Dr. Padilla received her Bachelor of Science in Agriculture/Animal Science from New Mexico State University and her Doctorate of Veterinary Medicine from Western University of Health Sciences. Her passion for holistic and integrative care began in veterinary school and translated into practice.

She became Reiki I certified in 2009 and completed the International Veterinary Acupuncture Society's Certification Course in Basic Veterinary Acupuncture. Dr. Padilla is looking forward to continuing her journey learning Eastern and Western medicine principles to maximize the well-being of her patients. Dr. Padilla and her husband live in San Diego with their five cats Rusty, Izzy, Rush, Fiona and Gatita.


san diego pet centerStacy Hollo - Handicapped Pet Specialist, Hospital Manager

Stacy's life has been devoted to animals in every aspect. She attended San Diego State University, where she majored in Biology with an emphasis in Zoology. Since the day she was old enough to hold down a job, she has worked in the veterinary field. Her experience includes general practice, emergency, and specialty practice. Stacy finds helping pets regain their independence and zest for life the most rewarding aspect of her job. Stacy has a special interest in custom orthotics and prosthetics.

Stacy resides with her fiancé Choya, two beautiful children named Makena and Grayson, and a menagerie of rescued critters, including Ladybug her sweet Pit Bull, Roxy the tenacious Brussels Griffon, Ruby the mischievous Abyssinian, four fluffy chickens and two ducks. Stacy's new venture is organic backyard farming. Her hope is to raise happy hens for organic eggs and that the gophers spare her planter boxes of fruits and veggies. She most enjoys spending family time hiking, exploring museums, home projects and hosting family and friend get-togethers.


san diego veterinary centerVivianne Villanueva - Owner and Founder

An only child, Vivianne often looked to her pets as surrogate brothers and sisters. She grew up with dogs, cats, horses, ducks, rabbits, sheep and a variety of other animals. By far, her favorite pet of all time is Bega, a black sheep that thought she was a dog. Vivianne's pets have always been an integral part of her life.

Vivianne has proudly owned Peaceful Paws Pet Cremation and Memorials since 2005. Peaceful Paws has become one the largest and most respected pet crematories in the country. In 2014, after a difficult personal experience, Vivianne and her husband Sarit opened Into the Sunset Pet Transition Center. Into the Sunset is the first brick-and-mortar veterinary center dedicated to all aspects of end-of-life care for special pets and their families.

Vivianne and Sarit are the proud parents of a son, Kiran. Their pet family includes Olivia, a Brussels Griffon; Ziggy, a mixed breed rescue; and Little, a feisty black cat. In her free time Vivianne enjoys traveling, photography and spending time with friends and family.


san diego veterinary pain managementStacy Agan - RVT

Stacy is the consummate pet professional. She has been a technician for 20+ years most of which has been in Internal Medicine. Stacy branched out from her traditional training into holistic body work including healing touch, massage and Reiki.

Stacy is the founder of Golden Hearts Animal Sanctuary. She has a soft spot for senior and special needs pets. She is also actively involved in canine search and rescue with Kona an Australian Shepherd and Tess a Border Collie.

Stacy’s family includes many dogs, cats, horses, livestock and a tortoise. Her "heart" dog Pilot has his own set of wheels which has given him a new lease on life! In her free time, Stacy and her husband Steve enjoy hiking, camping and training their dogs.


Kathy Herbert-Beeman - RVT

Kathy began her career in the veterinary field working at an all-cat shelter. From there, she has worked in surgical specialty, general practice and has taught veterinary assistant courses. Her special interests include anesthesia, surgery, and little old Dachshunds. Kathy lives in Ramona with her husband, daughter and a variety of critters!