Acorn Veterinary Clinic

1340 East Covell Blvd., Suite 101
Davis, CA 95616


Our Doctors


Waka Blair, DVM, CVA, CVFT, CCRP

Dr. Blair is the owner of Acorn Veterinary Clinic. She worked as a veterinary assistant at Acorn and as a registered veterinary technician/Small Animal Renal Transplant Coordinator at UC Davis Veterinary Medical Teaching Hospital prior to attending veterinary school at UC Davis School of Veterinary Medicine, where she graduated with honors in 2010. Following graduation, she trained through the small animal medicine and surgery internship at Texas A & M University as well as the small animal emergency and critical care specialty internship at UC Davis. She studied eastern medicine for animals while working at a busy after-hour emergency clinic and furthered her studies through Chi University in Florida by training in Traditional Chinese Veterinary Medicine (TCVM). Her certifications include certified veterinary acupuncturist (CVA), food therapist (CVFT), and certified Canine Rehabilitation Practitioner (CCRP) from the University of Tennessee. She is currently in the process of obtaining a certification in Palliative and End-of-Life Care through Chi University. Her professional interests include animal physical rehabilitation and integrative medicine. She was born and raised in Japan and is fully fluent in both English and Japanese. She enjoys spending time with her husband and daughter and three furry children (two cats and a dog), gardening, skiing and working out.



Arlene McKinstry, DVM, CCRP, CVA

Dr. McKinstry received her Doctorate of Veterinary Medicine from Iowa State University in 1994. She fulfilled her lifelong dream of becoming a veterinarian after studying Animal Science at the University of Puerto Rico Mayagüez. Her experience and interests include internal medicine, surgery, geriatric care, physical rehabilitation, and pain management. Her passion is to improve the quality and enjoyment of life for all her patients. She has expanded her general practice experience by furthering her training with an interest in Integrative Medicine. Her certifications include Certified Canine Rehabilitation Practitioner (CCRP) from the University of Tennessee and Certified Veterinary Acupuncturist (CVA) from the Chi University in Florida. She is currently working on obtaining her certification in veterinary Chinese herbal medicine. Outside of work she enjoys spending time traveling with family and friends, reading, photography, and scrapbooking. Her family includes her husband, children, dogs, and a tortoise.



Amy Wolfe, DVM


Dr. Wolfe joined Acorn in early 2018.  She has lived all over and originally came to Davis to go to veterinary school, but after graduation in 2009 decided that it was where she wanted to call home.  Since then she has been in general practice, the majority of the time in Fairfield, although she has done some work for clinics and shelters closer to the Davis area.  She is interested in all aspects of general practice from dermatology and dentistry to surgery and radiology.  When not at work, she spends time with family which currently includes two human children and three of the four-footed variety (total number may vary.) 



Kim Nixon, DVM, MPVM


Dr. Nixon earned her veterinary degree from UC Davis in 1985, and her Masters in Preventive Medicine the following year. She has worked at Acorn since 2005. She has a special fondness for exotic pets, and enjoys treating birds, reptiles, and small mammals, in addition to cats and dogs. She loves her pets, her garden, cooking and quilting. She has three children and lives in Davis.



Katy Siquig, DVM, MPVM


Bio Coming Soon



Rick Bertsch, DVM


Dr. Bertsch earned his veterinary degree from UC Davis in 1986 and has worked at Acorn since 2005.  He has also worked for the Humane Society and the Yolo Shelter. His current interest is surgery. He has resided in Davis since 1980 where he has shared his life with many cats, dogs, guinea pigs, rabbits, tortoises, and donkeys. He has one daughter. He enjoys reading history and anthropology.



Tracy Alexander, DVM


Dr. Alexander grew up in Riverside and moved to Davis for her undergraduate studies in 2001. She ended up loving the town so much she made it her permanent home! She is twice a graduate of UC Davis (BS 2003, DVM 2010) and practiced in Shasta County and Rancho Cordova before joining the Acorn team in January 2019. Dr. Alexander is interested in all aspects of general practice but especially likes focusing on preventive medicine, including heartworm disease prevention. In her recreational time she and her husband love taking their two young sons backpacking in the Trinity Alps. 



Carla Weinberg, DVM


Bio Coming Soon


Sally Borges, DVM, MSc (retired)

Dr. Borges was the co-founder of Acorn Veterinary Clinic, with Dr. Jackman. She earned her DVM in 1985 at the UC Davis School of Veterinary Medicine and earned her Master of Science degree at the London School of Tropical Medicine in Medical Parasitology in 1981. She has practiced around the Davis area since graduating and co-owned Acorn Veterinary Clinic with Dr. Jackman since 1994. Dr. Borges grew up in the Davis area, going through the Davis school system, but also spent five years with her family living in Kenya while growing up. She and her husband have a son and daughter. Her pets include one dog, two cats, and one budgie. Hobbies include bicycling, kayaking, and plein aire painting in watercolor and oils.


Joy Jackman, DVM (retired)


Dr. Jackman was co-founder of Acorn Veterinary Clinic with Dr. Borges. She grew up in the Bay Area and the Sierra Foothills where she worked as a veterinarian technician before moving to Davis. At UC Davis she received her Bachelor of Science degree in zoology, and completed her MVPM and DVM in 1987. She is an avid birdwatcher, gardener, hiker, and loves playing and watching hockey. She has shared her home and heart with many cats, dogs, chickens, sheep, and rabbits. Currently she lives in rural Davis with her husband, a border collie cross, three cats, and three goats.