Plain-English definitions for every Medicare term — from ABN to ZIP enrollment. No jargon, no confusion.
Terms starting with "S" — 4 terms
The geographic area where a Medicare Advantage or Part D plan is available and provides coverage. Plans may have different networks and costs in different parts of their service area. Moving outside a plan's service area may trigger a Special Enrollment Period.
A Medicare Advantage plan designed for people with specific diseases, conditions, or characteristics — such as dual eligibles (Medicare and Medicaid), institutionalized beneficiaries, or those with certain chronic conditions like diabetes or heart disease.
Also known as: SNP
A 1–5 star quality rating system that CMS uses to measure how well Medicare Advantage and Part D plans perform. Ratings are based on measures including member experience, customer service, and managing chronic conditions. Higher-rated plans may receive bonus payments.
Also known as: CMS Star Ratings, Quality ratings
Extra benefits offered by Medicare Advantage plans beyond the standard Medicare coverage. Examples include dental, vision, hearing, fitness programs, over-the-counter allowances, and transportation to medical appointments.
Also known as: Extra benefits
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