Dr. Mustillo grew up in Buffalo, New York. She completed her undergraduate studies at Canisius College in NY, and received her DVM from The University of Tennessee. Following graduation, she moved to Maryland and joined the staff of Veterinary Referral Associates in Gaithersburg to complete the hospital’s intense one year internship program in medicine and surgery.

Dr. Mustillo always knew her true passion was feline medicine. She joined the team at A Cat Clinic following her internship. Dr. Mustillo has a strong interest in ultrasonography, geriatric medicine, and hospice care. She has completed additional training to be proficient in abdominal ultrasonography. In 2020, Dr. Mustillo completed the rigorous requirements to become a Diplomate of the American Board of Veterinary Practitioners, certified in Feline Practice. Dr. Mustillo is an active member with the Feline Veterinary Medical Association (Feline VMA), and the American Board of Veterinary Practitioners. She serves on multiple committees and is proud to serve as a board member for the FelineVMA.

Dr. Mustillo shares her home with six cats (JoJo, Lilly, Chief, Danny, Sherman, and Eddie Spaghetti), two dogs (Elliot and Penny) and her husband. In her spare time, Dr. Mustillo enjoys reading, hiking, and traveling back to WNY to visit her family.