Neuropsychological Assessment & Treatment Services PLLC (NATS) offers neuropsychological evaluations to preschool-aged children through young adults. NATS is conveniently located in eastern Massachusetts, serving populations in the Metrowest area of Boston, including Arlington, Brookline, Dedham, Dover, Natick, Needham, Newton, Norwood, Wellesley, Weston, West Roxbury, Westwood, and the other nearby cities and towns.