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://erickejlku.theideasblog.com/30190564/say-yes-to-these-5-adhd-assessment-private-tips