ADHD Assessment - Why it's Important to Find a Private Clinic If they suspect the patient might have ADHD they can refer them to private ADHD testing services. However the process can be long and exhausting. It is essential to find a psychiatrist who has experience treating ADHD. NHS guidelines https://griffinmuwww.theisblog.com/30022113/adhd-assessment-uk-private-it-s-not-as-difficult-as-you-think