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 However, the wait is long. Some have reported waiting for 3 years. Doctors can refer patients to private clinics, or prescribe medication under https://paxtonsvavz.blogdon.net/a-how-to-guide-for-adhd-assessment-private-from-beginning-to-end-45915994