Dr Esther Sofía Argüello Pérez is an Infectious Disease physician at Scarsdale Medical Group. Earning her medical degree at Universidad Americana in Managua, Nicaragua – where she graduated cum laude – Dr Argüello Pérez, her residency in Internal Medicine at the Jacobi Medical Center/Albert Einstein Medical College, and her fellowship in Infectious Disease at Memorial Sloan Kettering Cancer Center. Having begun her medical career in Nicaragua, Dr Argüello Pérez then began working as an attending physician in Internal Medicine and Infectious Diseases at Middletown Medical in Middletown and Ferndale, N.Y.