Lee Silverman Voice Treatment Make an Appointment Ask a Question Refer Patient The Lee Silverman Voice Treatment (LSVT®) is the first effective treatment established for treating the voice and speech disorders in individuals with Parkinson disease and other neurological disorders. LSVT Information: Improves both the voice and speech of individuals with Parkinson disease Treats the underlying physical pathology associated with the disordered voice In Level I efficacy studies, over 400 individuals with Parkinson disease have been successfully treated with the LSVT 90 percent of patients improve from pre to post-treatment Approximately 80 percent of patients maintain voice treatment improvements for 12-24 months post-treatment All patients report improvement in their ability to communicate Intensive therapy includes 16 visits (4 days a week, for 4 weeks) with a speech pathologist The National Jewish Health Rehabilitation Department has three LSVT® trained and certified speech-language pathologists. Direct referrals accepted. Call 303.398.1490 for more information or to refer a patient. Download the Rehabilitation Services Brochure (PDF).