Yamazaki received her bachelor's degree from the University of California, San Diego and Doctor of Veterinary Medicine from Atlantic Veterinary College at the University of Prince Edward Island in Canada. She returned to California, completing a rotating internship and dermatology specialty internship in San Diego before accepting dermatology residency positions at Animal Dermatology Clinic in Tustin and Ontario, California. Yamazaki obtained Diplomate status with the American College of Veterinary Dermatology in 2019. She briefly relocated to Marietta, Georgia, before returning to California to practice dermatology in Oakland at Dermatology For Animals, a Thrive Pet Healthcare partner.