ADHD Assessment - Why it's Important to Find a Private Clinic If they suspect the patient might have ADHD they may refer them to private ADHD testing services. However, this process can be long and frustrating. It is important to find a psychiatrist who has previous experience treating ADHD. NHS https://trevorziosw.blogocial.com/a-list-of-common-errors-that-people-do-with-adhd-assessment-uk-private-65846860