ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can offer a private ADHD assessment but it's a lengthy wait. Some people have reported waiting for up to three years. GPs may refer patients to private clinics or prescribe medications https://iampsychiatryuk53877.iyublog.com/28958660/a-look-at-the-good-and-bad-about-adhd-assessment-private