Chappell is a board-certified small animal internal medicine specialist at Thrive Pet Healthcare Specialists North Scottsdale in Arizona. She earned her Doctor of Veterinary Medicine degree from Midwestern University in 2019, followed by a rotating internship at The Animal Medical Center in New York City. She then completed a 3-year residency in small animal internal medicine at Iowa State University in 2023 and became a diplomate of the American College of Veterinary Internal Medicine in 2024.