How to Get an ADHD Assessment From a Private Provider The NHS can take months, or years, to assess ADHD. This is due to the lack of specialists and the high demand for services. There are fortunately private clinics that provide a faster and more complete alternative to the NHS. https://private-adhd-assessment61581.blogoxo.com/29949252/it-s-the-good-and-bad-about-adhd-diagnosis-private