ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers an individual ADHD assessment However, the wait is long. Some have reported waiting for 3 years. Doctors can refer patients to private clinics or prescribe medication in a shared-care arrangement https://sergiomslpi.digitollblog.com/29216448/it-s-time-to-expand-your-adhd-assessment-private-options