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 evaluation However, the wait is long. Some patients have reported waiting for three years. GPs may refer patients to private clinics or prescribe medication https://lanenjqbk.blogoscience.com/35497311/the-reason-adhd-assessment-private-is-fastly-changing-into-the-hottest-trend-of-2023