title: Medicare, plus choice. Addition of MSAs, PSOs, other options complicate enrollment with new deadlines.
authors.forename: E
authors.initials: E
authors.lastname: Weissenstein
mesh_terms: D000368:Aged; D002017:Budgets / Q000331:legislation & jurisprudence; D003256:Community Participation / Q000331:legislation & jurisprudence*; D017047:Cost Sharing; D018588:Fee-for-Service Plans / Q000706:statistics & numerical data; D006801:Humans; D008329:Managed Care Programs / Q000706:statistics & numerical data; D006278:Medicare / Q000331:legislation & jurisprudence / Q000458:organization & administration*; D014481:United States