ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers a private ADHD evaluation However, the wait is long. Some people reported waiting three years. Doctors are able to refer patients private clinics or prescribe medications in a shared-care arrangement https://zionbibvm.livebloggs.com/36038093/it-is-the-history-of-adhd-assessment-private-in-10-milestones