The purpose of the hearing is to review payments by the Centers for Medicare & Medicaid Services (CMS) under Medicare Part B to suppliers of medical products such as diabetic testing equipment, CPAP machines, power mobility devices, and back braces, also known as durable medical equipment. The hearing will also examine the promotion and marketing of these types of products by durable medical equipment companies to patients and their doctors. The hearing will also assess CMS’ oversight of durable medical equipment reimbursements under Medicare Part B, including its efforts to control costs and detect and prevent abusive practices and improper payments.