title: New Medigap laws. The open enrollment provisions.
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D004608:Eligibility Determination / Q000331:legislation & jurisprudence*; D017054:Insurance, Medigap / Q000331:legislation & jurisprudence*; D016345:Medicare Part B / Q000331:legislation & jurisprudence*; D014481:United States