Time to switch to an HMO? Managed-care plans offer Medicare enrollees a way to save money.
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D000368:Aged; D003256:Community Participation / Q000191:economics*; D017046:Cost Savings; D003657:Decision Making; D006279:Health Maintenance Organizations / Q000191:economics* / Q000706:statistics & numerical data; D006299:Health Services for the Aged; D006801:Humans; D006278:Medicare / Q000458:organization & administration*; D014481:United States