ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers a private ADHD assessment, but it's a long wait. Some have reported waiting for 3 years. GPs may refer patients to private clinics or prescribe medications under a shared-care agreement https://psychiatristinuk13416.blogsmine.com/30239068/10-great-books-on-adhd-assessment-private