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 reported waiting three years. GPs can refer patients to private clinics or prescribe medication under a shared-care agreement https://jaidenriugr.blogripley.com/30460608/5-adhd-assessment-private-tips-from-the-professionals