ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers an individual ADHD assessment However, the wait is long. Some people have reported waiting for up to three years. The GP may refer patients to private clinics or prescribe medications https://travisbmtbh.newbigblog.com/35708797/what-adhd-assessment-private-experts-want-you-to-know