ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can offer an in-person ADHD assessment, but it's a long wait. Some people have reported waiting for up to three years. GPs can refer patients to private clinics or prescribe medications https://private-adhd-assessment14689.blogtov.com/10209447/a-step-by-step-guide-for-choosing-your-adhd-assessment-private