New to Medicare: The 65 Roadmap

Southwest Michigan Financial, LLC does not offer every plan available in your area. Currently we represent 6 organizations which offer 32 products in your area. Any information we provide is limited to those plans. Please contact Medicare.gov, your local State Health Insurance Program (SHIP) office, or call 1-800-MEDICARE to get information on all your options.

Quick Take

When Do I Need to Enroll in Medicare If I Am Turning 65?
You must enroll when first eligible at 65. Missing this window without creditable employer coverage triggers a permanent 10% premium penalty for every 12 months delayed. The 3-1-3 Window: Your Initial Enrollment Period is a strict 7-month timeline. It includes the 3 months before your 65th birthday month, your birth month, and the 3 months after.
How Do I Avoid the Part B and Part D Late Enrollment Penalties?
Delaying just 3 years results in a permanent 30% surcharge. This adds over $730 annually (based on 2026 premiums), costing more than $14,000 in avoidable fees over a 20-year retirement.
Do I Need to Enroll in Medicare If I Am Still Working Past 65?
If your employer has fewer than 20 employees, Medicare is primary. Staying solely on your workplace plan will not protect you from lifetime late penalties.

Navigating Medicare anywhere in Southwest Michigan can feel like driving through a construction zone without a GPS.

One wrong turn can lead to lifelong costs.

The Cost of Waiting…

Meet “Jim,” a marathon runner from Kalamazoo who felt great at 65. Because he wasn’t taking any medications and rarely saw a doctor, he decided to “save money” by skipping Medicare Part B and Part D entirely.

Three years later, Jim developed a chronic condition requiring specialized care. When he finally went to enroll, he discovered the Permanent Penalty. Because he waited 36 months, his Part B premium was hit with a 30% lifelong surcharge. Jim didn’t just start paying for insurance; he started paying a “late fee” that will follow him for the rest of his life.

The Enrollment Gaps Most People Miss

4 in 10 Americans Are Not Automatically Enrolled: With the Social Security Full Retirement Age pushed to 67, millions of Americans working past 65 are not automatically enrolled in Medicare. You must manually sign up through the Social Security Administration unless you already receive Social Security benefits.
Over 766,000 People Currently Pay Late Fees: Hundreds of thousands of beneficiaries pay monthly Part B late penalties—averaging 30% higher premiums—due to simple administrative oversights at age 65.
The General Enrollment Period Delay: If you miss your IEP and lack qualifying coverage, you must wait for the General Enrollment Period (January 1 – March 31). Coverage does not start until the first day of the month after you sign up, leaving you exposed to coverage gaps alongside permanent premium hikes.

Justin’s Golden Rule of Medicare Timing

The “Golden Rule” of Medicare timing is simple: Enroll when you are first eligible, or you will pay a permanent price. To illustrate why this is the most critical “Main Street Math” decision you’ll make at 65, here is a breakdown of how the math changes when you miss the mark.

The Cost of Waiting

Imagine Mark from Marshall. When Mark turned 65, he was healthy and decided to skip Medicare Part B to save on the monthly premium. He figured he’d just sign up later if his health changed.

Three years (36 months) later, Mark decided it was time to enroll. Because he missed his Initial Enrollment Period (IEP) without having “creditable” employer coverage, he was hit with the Part B Late Enrollment Penalty:

The Penalty: 10% for every 12-month period he delayed.
The Calculation: 3 years late = 30% permanent surcharge.
The 2026 Cost: Instead of paying the standard $202.90 monthly premium, Mark now pays $263.77 ($202.90 + $60.87 penalty).

The Kicker: This isn’t a one-time fine. Mark will pay that extra $730+ per year for as long as he has Medicare. Over a 20-year retirement, that “saving” at age 65 will cost him over $14,000 in avoidable penalties.

“Timing is critically important when it comes to enrolling in Medicare. If you miss your sign-up window, you could pay a Late Enrollment Penalty on your Part B premium for the rest of your life.” — National Council on Aging (NCOA)

The Golden Rule exists because the government wants healthy people in the system early. If you miss your 7-month Initial Enrollment Period, you can typically only sign up during the General Enrollment Period (January–March), and your coverage won’t even start until July.

Pro-Tip: If you are still working at 65, your “Golden Rule” depends on your company size. If your employer has fewer than 20 employees, Medicare is usually primary, and the “Working Past 65” rules may not protect you from these penalties.

Let’s work on it together!

Contact Justin

Possible Blind Spots

Before finalizing your enrollment roadmap, review these three high-friction areas that traditional checklists leave out:

The HSA Contribution Cliff: High earners actively funding a Health Savings Account must pause all contributions at least six months before applying for Medicare Part A or Part B. When you enroll in Part A past 65, your coverage is backdated up to six months. Any HSA contributions made during that retroactive window count as excess contributions, triggering IRS excise taxes and penalties.
The Medigap Guaranteed Issue Window vs. Medicare Advantage: When you enroll in Part B at 65, a strict six-month Medigap Open Enrollment clock starts ticking. During this single window, insurance companies cannot decline your application, impose waiting periods, or charge higher premiums due to preexisting conditions. If you bypass Medigap for a Medicare Advantage plan and later decide to switch back, you lose this federal guaranteed-issue right and must pass full medical underwriting in Michigan.
The IRMAA Two-Year Lookback: Medicare premiums are not one-size-fits-all. The Income-Related Monthly Adjustment Amount (IRMAA) adds mandatory monthly surcharges if your Modified Adjusted Gross Income (MAGI) crosses federal limits ($109,000 for single filers; $218,000 for joint filers in 2026). Because Medicare evaluates tax returns from two years prior, retirement bonuses, asset sales, or large Roth conversions executed at age 63 directly determine your premium costs the month you turn 65.

Your 9 Step Medicare Action Plan

Download the
Southwest Michigan Financial, “2026 Medicare Resource Guide”.
Verify Auto-Enrollment Status
If you draw Social Security benefits prior to 65, Parts A and B arrive automatically. If you do not draw benefits, you must initiate manual enrollment via SSA.gov.
Mark the "3-1-3" Window:
Your Initial Enrollment Period (IEP) is a seven-month window: the three months before you turn 65, your birth month, and the three months after.
Halt HSA Deposits on Time
Coordinate with payroll to cease all HSA contributions at least six months prior to your Part A effective date.
Audit Employer Size (If Working Past 65)
If your company has fewer than 20 employees, enroll immediately at 65. If it has 20 or more employees with qualifying creditable coverage, obtain written proof from HR before deferring Part B.
Decide on Part B
While Part A (Hospital) is usually premium-free, Part B (Medical) has a monthly cost ($202.90 in 2026). If you are still working for a large employer (20+ employees), you might delay this, but most retirees should enroll immediately to avoid gaps.
Lock in Your Coverage Path
Decide between Original Medicare paired with a Medigap supplement and a Part D prescription plan, or an all-in-one Medicare Advantage (Part C) plan before your 6-month Medigap underwriting window expires.
Secure Your Prescription Coverage
Even if you don’t take medication today, you must have “creditable” drug coverage (Part D) to avoid future late-enrollment penalties.
Screen for IRMAA Exposure
Audit your 2-year prior tax returns to identify potential income cliffs, and file Form SSA-44 if a recent retirement event reduced your income.

Even breaking it down to 9 points, it still may feel overwhelming. Let us help you get it right the first time! Call Justin at (269) 323-7964 to verify your specific enrollment window and keep your “Main Street Math” on track.

Resources & Sources

For official guidance and to begin your application, consult these federal agencies:

Social Security Administration (SSA): ssa.gov | 1-800-772-1213 (To sign up for Medicare)
Centers for Medicare & Medicaid Services (CMS): medicare.gov | 1-800-MEDICARE (For plan comparisons)
Medicare.gov, “Initial Enrollment Period (IEP) Overview,” 2026.
National Council on Aging, “When is the Best Time to Enroll in Medicare?” 2026.

Southwest Michigan Financial, LLC is not affiliated with or endorsed by the government or federal Medicare program. Justin Henrich is a licensed Medicare agent of Medicare Advantage organizations and prescription drug plans with Medicare contracts.

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New to Medicare: The 65 Roadmap

Quick Take

When Do I Need to Enroll in Medicare If I Am Turning 65?

How Do I Avoid the Part B and Part D Late Enrollment Penalties?

Do I Need to Enroll in Medicare If I Am Still Working Past 65?

Navigating Medicare anywhere in Southwest Michigan can feel like driving through a construction zone without a GPS.

The Cost of Waiting…

The Enrollment Gaps Most People Miss

Justin’s Golden Rule of Medicare Timing

The Cost of Waiting

Let’s work on it together!

Possible Blind Spots

Your 9 Step Medicare Action Plan

Download the

Verify Auto-Enrollment Status

Mark the "3-1-3" Window:

Halt HSA Deposits on Time

Audit Employer Size (If Working Past 65)

Decide on Part B

Lock in Your Coverage Path

Secure Your Prescription Coverage

Screen for IRMAA Exposure

REGISTER FOR A CLASS

THERE’S NO TIME LIKE THE PRESENT

Let’s Schedule a Discovery Call

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