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, but the wait is long. Some people have reported waiting for 3 years. GPs can refer patients to private clinics or prescribe medication https://private-adhd-assessment45544.getblogs.net/62324434/15-startling-facts-about-adhd-assessment-private-you-ve-never-heard-of