Nicolas Berryessa, DVM, DACVIM, is a small animal internist at BluePearl Specialty and Emergency Pet Hospital in Sandy Springs, Georgia, where he has practiced for more than 10 years. He earned his veterinary degree from Cornell University College of Veterinary Medicine and did his residency training at University of California, Davis. Berryessa’s clinical interests are endocrinology, gastrointestinal and infectious diseases, and interventional procedures.