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Seniors & Medicare

Medicare, costs, and care — explained without the sales pitch

Nothing here assumes you are enrolled or eligible. Use it to understand the pieces, then confirm your own benefits with Medicare (1-800-633-4227) or your free state SHIP counselor before you make a decision.

The four parts, and what trips people up

Part A — Hospital

Inpatient hospital stays, skilled nursing after a qualifying stay, hospice, some home health.

Watch for: "Observation status" is outpatient even in a hospital bed, and it can change what skilled nursing costs you. Ask in writing whether you are admitted or under observation.

Part B — Medical

Doctor visits, outpatient care, preventive screenings, durable medical equipment.

Watch for: Late enrollment can carry a lifelong premium penalty unless you had qualifying coverage from active employment.

Part C — Medicare Advantage

Private plans that bundle A and B, often with drug coverage and extras.

Watch for: Networks and prior authorization apply. Check that your doctors and hospitals are in-network every single year.

Part D — Prescription drugs

Outpatient prescription coverage through private plans.

Watch for: Each plan has its own formulary and tiers. The same drug can cost very differently plan to plan.

Enrollment windows worth writing on the calendar

  • Initial Enrollment Period

    3 months before through 3 months after the month you turn 65

    Signing up early in this window helps coverage start without a gap.

  • General Enrollment

    January 1 – March 31

    For people who missed their initial window. Penalties may apply.

  • Open Enrollment

    October 15 – December 7

    Switch between Original Medicare, Advantage, and Part D plans for the coming year.

  • Medicare Advantage Open Enrollment

    January 1 – March 31

    If you are already in an Advantage plan, you can change once during this period.

  • Special Enrollment Periods

    After qualifying life events

    Losing employer coverage, moving, or a plan leaving your area can open a special window.

Dates reflect standard federal periods and can change. Confirm on medicare.gov before you rely on any of them.

Help with premiums, drug costs, and denials

For caregivers and family

A reasonable next step

  1. 1. Write down what you were told, by whom, and when — dates win appeals.
  2. 2. Ask your plan for the decision in writing, including the reason code.
  3. 3. Call your free SHIP counselor before switching plans or paying a surprise bill.
  4. 4. If a bill or denial already arrived, run it through our review tools first.

Educational information only — not legal, medical, or insurance advice. Eligibility is always decided by Medicare, your plan, or your state agency.

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