ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can provide an in-person ADHD assessment, but 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://psychiatry-uk37734.newbigblog.com/35842383/the-little-known-benefits-to-adhd-assessment-private