Medicare

Turning 65 in Miami-Dade: Your Medicare Checklist

Viva Insurance Group · Updated July 2026 · 5 min read

Older Florida couple reviewing a Medicare checklist with an agent

Your 65th birthday comes with a deadline most people learn about too late. Here's the whole timeline in plain English, what happens automatically, what doesn't, and where the expensive mistakes hide.

The one date that matters: your 7-month window

Your Initial Enrollment Period runs 3 months before your birthday month, your birthday month, and 3 months after, 7 months total. Enroll in the 3 months before your birthday and coverage starts the month you turn 65, with no gaps.

What's automatic, and what isn't

Already taking Social Security? Parts A and B start automatically; your card arrives in the mail. You still need to choose how you get benefits (see below).
Not taking Social Security yet? Nothing is automatic. You must sign up yourself at ssa.gov or your local Social Security office, this is the step people miss.
Still working with employer coverage? You can usually delay Part B without penalty, but the rules depend on your employer's size. Check before you decline anything.

The penalties for missing your window

Part B: your premium rises 10% for every 12 months you were late, and that increase lasts for life.
Part D (drugs): about 1% per month late, also permanent, even if you take no medications today.

In plain English: being one year late on Part B doesn't cost you once, it costs you 10% more every month for the rest of your life.

The decision after the decision: Advantage or Supplement?

Signing up for Parts A and B is only half the job. Then you choose how you actually get your benefits: a Medicare Advantage plan (all-in-one, network-based, often $0 premium, and very popular in Miami-Dade) or Original Medicare plus a Supplement (any doctor who takes Medicare, predictable costs, higher premium). This choice is easiest to change early. Supplement plans can require health questions later.

Your checklist

✓3–6 months before 65: confirm whether you'll take Social Security; list your doctors and prescriptions.
✓3 months before: enroll in Parts A and B (if not automatic); compare Advantage vs. Supplement with your doctor list in hand.
✓Birthday month: confirm cards arrived and your first premiums are set up.
✓Every fall after: re-check your plan during Annual Enrollment (Oct 15 – Dec 7), plans change every year.

Turning 65 soon? We'll walk your dates and doctor list with you, free.

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