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 patients have waited for 3 years. GPs can refer patients to private clinics or prescribe medication under https://jaspergqsqb.tinyblogging.com/why-adhd-assessment-private-will-be-your-next-big-obsession-73101724