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CORNERSTONE GUIDE Updated October 5, 2026

Medicare Enrollment Timeline: Key Dates at Every Life Stage

Follow the Medicare enrollment timeline from your early 60s through retirement, including IEP, Special Enrollment, Open Enrollment, and key dates to remember.

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All Articles 14 Medicare Basics & Terminology 4 Enrollment & Timing 6 Coverage, Costs & Plan Types 2 Getting Help & Consumer Guidance 2

Coverage Costs Plan Types Guides

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Coverage, Costs & Plan Types · 7 min read

Understanding How Medicare Plan Types Differ

Compare Original Medicare, Medicare Advantage, Medigap, and Part D to understand how costs, doctors, prescriptions, and coverage can differ.

Raul Gonzalez

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Coverage, Costs & Plan Types · 8 min read

Medicare Parts A, B, C, and D: How They Work

Learn how Medicare Parts A, B, C, and D work, what each covers, how they fit together, and what to consider when comparing your Medicare coverage options.

Raul Gonzalez

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