ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers a private ADHD evaluation however, the wait can be long. Some people reported waiting three years. GPs may refer patients to private clinics, or prescribe medications in a shared care https://emiliolbtjx.thenerdsblog.com/35428049/the-most-successful-adhd-assessment-private-gurus-do-3-things