ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can provide an individual ADHD assessment however, it's a long wait. Some people have reported waiting for up to three years. Doctors can refer patients to private clinics or prescribe medications https://private-adhd-assessment24544.qodsblog.com/29848405/what-adhd-assessment-private-experts-want-you-to-learn