Percentage of patients aged 18 years and older, who report benign paroxysmal positional vertigo (BPPV)-related symptoms and are screened with a dizziness assessment questionnaire and undergo positional nystagmus testing AND, if diagnosed or identified with BPPV, received a BPPV-related care plan and vestibular intervention(s) or treatment(s) AND who have an improvement in nystagmus or report an improvement in BPPV-related symptoms, and report a meaningful clinically important difference (MCID) improvement of BPPV-related quality of life (QoL).