Dr. Arellano is a Southern California native. She received her undergraduate degree in Animal Science from the University of California, Davis. Dr. Arellano then continued to earn her Doctor of Veterinary Medicine degree from Western University of Health Sciences. 

In her free time, Dr. Arellano enjoys spending time with family and friends, camping, watching movies, and trying new restaurants. She has two dogs, Jagger, a German Shorthaired Pointer, and PJ, a Weimaraner, who love to keep her on her toes.