Thompson Medicare Brokerage
When to Sign Up for Medicare
⭐ When to Sign Up for Medicare: Your Complete Guide
Signing up for Medicare isn’t complicated — when you know the rules. 🧭 Timing affects when your coverage starts, whether you pay penalties, and what your options are moving forward.
Here’s your clear, friendly guide on when to enroll, your Special Enrollment Periods (SEPs), the General Enrollment Period (GEP), and how to avoid costly mistakes — all based on the latest from Medicare.gov. ✔️

🎉 1. Your Initial Enrollment Period (IEP)
For most people, the best time to sign up for Medicare is during the Initial Enrollment Period.
Your IEP is a 7-month window:
- ✔️ 3 months before the month you turn 65
- ✔️ The month you turn 65
- ✔️ 3 months after your birthday month
💡 Enroll early for the smoothest start date. If you sign up during the 3 months before your 65th birthday month, your coverage usually begins the month you turn 65 (if eligible for premium-free Part A).
If you enroll during your birth month or the 3 months after, your coverage usually starts the next month.
People already receiving Social Security or Railroad Retirement benefits are often enrolled automatically. 👍
⏳ 2. The General Enrollment Period (GEP)
If you miss your IEP and don’t qualify for a SEP, you’ll need to use the General Enrollment Period:
🗓 January 1 – March 31 every year
➡ Coverage begins the first of the month after you sign up.
⚠️ Most people using the GEP will face late-enrollment penalties for Part B (and Part A if they don’t qualify for premium-free Part A).
🚨 3. Special Enrollment Periods (SEPs)
Special Enrollment Periods allow you to sign up for Medicare outside of your IEP or GEP without penalties — but only if certain conditions apply.
Here are the major SEPs, based on current Medicare.gov rules:
🧑💼 SEP: Still Working Past 65
If you or your spouse are still working and have active employer group coverage, you can delay Medicare without penalty.
Your SEP begins when:
- Your employment ends or
- Your employer coverage ends
⏳ And it lasts 8 months.
🏥 SEP: Losing Medicaid
If you lose Medicaid eligibility on or after Jan 1, 2023, you get a SEP that:
- Begins the day you’re notified
- Lasts 6 months
- Coverage starts the month after you enroll (or you can request your Medicaid end date)
🌪 SEP: Natural Disaster or Emergency
If you missed enrollment because of a federally declared disaster or emergency:
- SEP begins the day of the declaration (or when it affects you)
- Ends 6 months later
- Coverage begins the month after enrollment
❗ SEP: Wrong or Misleading Information
If you were provided incorrect information from your health plan or employer:
- SEP starts the day you notify Social Security
- Lasts 6 months
- Coverage begins the month after enrollment
🔓 SEP: Released From Incarceration
If you’re released from incarceration on or after Jan 1, 2023:
- SEP begins the month after you are released
- Lasts 12 months
- You can request coverage retroactive up to 6 months
🌟 SEP: “Exceptional Circumstances”
Social Security may grant additional SEPs for rare situations.
- Begins the day SSA approves it
- Lasts at least 6 months
- Coverage begins the month after you enroll
💸 4. Avoiding Medicare Penalties
Missing deadlines can cost you — for life.
Here’s what Medicare.gov says:
⚠️ Part A Penalty
If you must buy Part A and you delay, your premium may increase 10% for twice the number of years you delayed.
⚠️ Part B Penalty
If you delay Part B without a SEP:
➡ You pay 10% extra for every 12-month period you were late.
➡ This penalty is for life.
⚠️ Part D Penalty
If you go 63+ days without creditable drug coverage:
➡ Add 1% of the national base premium per month you were late.
➡ This penalty also lasts as long as you have Part D.
📅 5. When Your Medicare Coverage Starts
A quick breakdown:
- Enroll early in your IEP → Coverage starts the month you turn 65 💯
- Enroll during or after your birth month → Coverage starts the next month
- Enroll in the GEP → Coverage begins the month after you sign up
- Enroll via a SEP → Coverage start date varies based on the specific SEP
🤝 6. How Thompson Medicare Brokerage Helps
At Thompson Medicare Brokerage, we:
✔️ Identify your exact enrollment window
✔️ Tell you whether you qualify for a SEP
✔️ Help you avoid penalties
✔️ Handle forms and SSA details
✔️ Compare Medicare Advantage, Supplements, and Part D
✔️ Make the process simple and stress-free
You should never have to navigate Medicare alone. 💙
🧭 Final Thoughts
Knowing when to sign up for Medicare is the key to avoiding penalties, delays, and gaps in coverage. Your birthday, employment status, other insurance, and life events all play a role.
Benjamin of Thompson Medicare Brokerage is here to walk with you every step of the way. If you’re turning 65 soon, working past 65, or unsure which enrollment window applies to you — we’ll help you get it right.
Ready to talk about your Medicare timeline? Contact me, Benjamin, today and let’s make your Medicare start smooth, timely, and stress-free. 📞
¹ClearSpring, Molina & BCBS IL plan options are listed separately.