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 however, it's a long wait. Some patients have reported waiting for three years. GPs may refer patients to private clinics, or prescribe medication under a https://reidtdkcr.worldblogged.com/35747194/adhd-assessment-private-the-good-and-bad-about-adhd-assessment-private