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 can be long. Some people have reported waiting for 3 years. GPs can refer patients to private clinics or prescribe medications under a https://private-mental-health21919.kylieblog.com/29729085/why-adhd-assessment-private-is-your-next-big-obsession