ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers an in-person ADHD assessment however, it's a long wait. Some patients reported waiting for three years. Doctors can refer patients to private clinics or prescribe medications under a shared-care agreement https://charlieajquz.sharebyblog.com/29139249/5-motives-adhd-assessment-private-is-a-good-thing