ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers the option of a private ADHD assessment, but the wait is long. Some patients reported waiting for three years. Doctors are able to refer patients private clinics or prescribe medication https://andyrrlfa.blogdosaga.com/29155915/how-adhd-assessment-private-has-changed-my-life-the-better