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 assessment, but the wait is long. Some patients reported waiting for three years. The GP may refer patients to private clinics or prescribe medications https://kameroncuhtf.blogzet.com/a-guide-to-adhd-assessment-private-from-start-to-finish-44540333