title: Participation deadline extended 10 weeks for   Medicare managed care organizations.
authors: R
authors: R
authors: SoRelle
mesh_terms: D000368:Aged; D006297:Health Services Accessibility / Q000191:economics / Q000639:trends; D006801:Humans; D008329:Managed Care Programs / Q000191:economics / Q000331:legislation & jurisprudence*; D020398:Medicare Part C / Q000331:legislation & jurisprudence*; D014481:United States