How to Get an ADHD Assessment From a Private Provider The NHS can take months, or even years to determine ADHD. This is due to a lack of specialists and the high demand for services. Fortunately, there are private clinics that provide an efficient and complete alternative to the NHS. https://privateadhdassessment41728.blazingblog.com/29481946/adhd-diagnosis-private-s-history-of-adhd-diagnosis-private-in-10-milestones