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Medicare In A Nutshell
A non-government Medicare resource
powered by SMRTPlanning,
a retirement and healthcare planning office.
Medicare Timelines & Deadlines · Free Guidance in Houston
What do I do — and when?
Your Medicare enrollment timeline, explained clearly.
Medicare has strict enrollment windows tied to your age, your employment status, and the calendar year. Miss the wrong deadline and you could face permanent
penalties or gaps in coverage. This page tells you exactly what to do and when to do it.
Why Medicare Timing Matters More Than Most People Realize
Medicare doesn't work like most insurance. You can't just sign up whenever you feel ready. There are specific enrollment periods tied to your birthday, your employment status, and the calendar — and missing them can result in penalties that follow you for the rest of your life.
The good news is that once you understand the timeline, it's not complicated. Here's every key window you need to know about.
⚠️ The single most important thing you can do is contact us 2–3 months before any major life event related to Medicare — turning 65, retiring, or losing employer coverage. That gives us time to
plan your enrollment perfectly and avoid any costly mistakes.
Your Medicare Enrollment Timeline
6 to 9 Months Before You Turn 65
Start planning with an advisor
WHAT TO DO
This is the ideal time to meet with a licensed, independent Medicare advisor — before any deadlines
are in play and before you're overwhelmed with mail from insurance companies.
AT THIS STAGE WE WILL
• Review your current insurance coverage
• Explain all your Medicare options
• Help you understand what your costs will look like
• Map out your personal enrollment timeline
• Answer every question you have with zero pressure
WHY IT MATTERS
Starting early gives you time to make a thoughtful, informed decision — not a rushed one. Most people
who attend our workshops or consultations 6–9 months out feel significantly more confident and prepared when their enrollment window actually opens.
3 Months Before Your 65th Birthday Month
Your initial Enrollment Period opens
WHAT TO DO
Your Initial Enrollment Period (IEP) opens. This is a 7-month window — starting 3 months before your
birthday month, including your birthday month, and ending 3 months after.
AT THIS STAGE WE WILL
• Medicare Part A (most people get this free)
• Medicare Part B (standard premium $174.70/month in 2024)
• A Medicare Supplement (Medigap) plan
• A Medicare Advantage plan (Part C)
• A Part D prescription drug plan
WHY IT MATTERS
Enrolling during your IEP gives you the most options and protections. In most states, you can enroll in
any Medicare Supplement plan without medical underwriting during this window — meaning you
can't be denied or charged more due to pre-existing conditions. This protection goes away after your
IEP closes.
💡 If your birthday is on the 1st of the month, your IEP starts one month earlier than you might expect. Contact us and we'll map out your exact dates.
Within 8 Months of Leaving Employer Coverage (After Age 65)
Your Special Enrollment Period
WHAT TO DO
If you delayed Medicare because you were covered by an active employer group health plan, you have
a Special Enrollment Period (SEP) when that coverage ends. You have 8 months from the date your employment or group coverage ends — whichever comes first — to enroll in Medicare Part B without a late enrollment penalty.
DURING THIS SEP, YOU SHOULD:
• Enroll in Part B immediately or as soon as coverage ends
• Choose a Medicare Supplement or Medicare Advantage plan
• Add Part D prescription drug coverage if not included in your plan
WHY IT MATTERS
The 8-month window sounds generous — but it goes faster than you think, especially if you're managing
a retirement transition at the same time. Contact us before your last day of work coverage so everything is lined up and ready.
⚠️ COBRA does NOT count as employer-sponsored coverage for Medicare SEP purposes. If you go on COBRA after leaving work, your 8-month SEP clock has already started. Don't wait.
October 15 – December 7 (Every Year)
Annual Enrollment Period
WHAT TO DO
This is the Annual Enrollment Period (AEP) — also called Open Enrollment. Every year during this window, Medicare beneficiaries can:
• Switch from Original Medicare to Medicare Advantage
• Switch from Medicare Advantage back to Original Medicare
• Switch from one Medicare Advantage plan to another
• Join, switch, or drop a Part D drug plan
Changes made during AEP take effect January 1 of the following year.
WHY IT MATTERS
Plans change every year. Premiums go up, networks shift, drug formularies change. The people who
review their plan every year during AEP often save hundreds of dollars — or catch a situation where their doctor has left their network.
We offer free annual plan reviews during AEP.
Contact us in September or October to schedule yours.
January 1 – March 31 (Every Year)
Medicare Advantage Open Enrollment
WHAT TO DO
This is the Medicare Advantage Open Enrollment Period (MA OEP). If you're currently enrolled in a Medicare Advantage plan, you can:
• Switch to a different Medicare Advantage plan
• Switch back to Original Medicare (and add a Part D plan)
You cannot use this period to switch from Original Medicare to Medicare Advantage.
WHY IT MATTERS
If you enrolled in a Medicare Advantage plan during AEP and realized it wasn't the right fit, this is your second chance to make a change before being locked in for the rest of the year.
First 12 Months on a Medicare Advantage Plan
Medicare Advantage Trial Period
WHAT TO DO
If you switch from a Medicare Supplement to a Medicare Advantage plan for the first time, and decide within 12 months that you want to go back to Original Medicare, you have a guaranteed right to return to your previous Medigap plan — or choose from Plans A, B, C, F, K, or L — without medical underwriting.
WHY IT MATTERS
This is a one-time protection. Use it wisely. If you're curious about Medicare Advantage but nervous about leaving your Supplement, this trial period gives you a safety net — but only the first time.
Special Enrollment Periods — Anytime
Special Enrollment Periods
WHAT TO DO
Beyond the standard windows above, certain life events trigger Special Enrollment Periods that allow you to make changes outside of regular enrollment periods. These include:
• Moving to a new address outside your plan's service area
• Losing other creditable coverage
• Moving into or out of a nursing home or long-term care facility
• Your plan leaving your area or losing its Medicare contract
• Qualifying for Extra Help (Low Income Subsidy)
• Gaining or losing Medicaid eligibility
WHY IT MATTERS
Life doesn't always follow the Medicare calendar. If a qualifying event happens to you outside of standard enrollment periods, you may have more options than you think. Contact us and we'll help you understand what you're eligible for.
⚠️ IMPORTANT
The Penalties You Really Don't Want to Pay
Medicare late enrollment penalties are permanent. They're added to your monthly premium for as long
as you have Medicare — which could be 20, 30, or more years. Here's what each one looks like.
🏥
MOST COMMON
Part B Penalty
HOW IT WORKS
If you don't enroll in Part B when you're first eligible and you don't have creditable employer coverage, you'll pay a 10% surcharge on your Part B premium for every 12-month period you
were eligible but didn't enroll.
EXAMPLE
If you were eligible for 2 years before enrolling, your Part B premium increases by 20% — permanently.
On a $202.90 monthly premium, that's an extra $40.58 every month for the rest of your life.
💊
VERY COMMON
Part D Penalty
HOW IT WORKS
If you go 63 or more consecutive days without creditable prescription drug coverage after
becoming eligible for Part D, you'll pay a penalty equal to 1% of the national base premium for every month you were without coverage.
EXAMPLE
If you went 24 months without Part D coverage,
your penalty is 24% of the base premium —
added to your Part D premium permanently.
📋
LEAST COMMON
Part A Penalty
HOW IT WORKS
Most people get Part A for free. But if you have to pay a premium for Part A and you don't enroll
when first eligible, your premium may go up 10% for twice the number of years you could have had Part A but didn't enroll.
NOTE
Most people get Part A for free if they've worked 10+ years. This penalty rarely applies.
Not sure where you are in the timeline?
Let's map it out together — for free.
Every situation is different. Bring your dates, your current coverage, and your questions to a free workshop or one-on-one consultation and we'll build your personal Medicare timeline at no cost.
Free service. No obligation. No sales pressure. Serving all 50 States.