Medicare Eligibility Age – When You Qualify and How to Enroll

Most Americans qualify for Medicare at age 65. If you have a qualifying disability, End-Stage Renal Disease (ESRD), or Amyotrophic Lateral Sclerosis (ALS), you may qualify at any age. Your Initial Enrollment Period (IEP) opens 3 months before your 65th birthday month and closes 3 months after.

The Standard Age Threshold and Why 65 Is the Number

Medicare eligibility begins at age 65 for the vast majority of Americans, a threshold set when President Lyndon B. Johnson signed the Social Security Amendments of 1965 into law on July 30, 1965.

That legislation created both Medicare and Medicaid, two federal programs administered today by the Centers for Medicare and Medicaid Services (CMS), a federal agency within the U.S. Department of Health and Human Services (HHS).

The age 65 benchmark was chosen because it aligned with the existing retirement age under Social Security, the federal insurance program created by the Social Security Act of 1935. It represented a reasonable proxy for when most workers left the labor force and lost employer-sponsored health insurance.

Today, more than 66 million Americans are enrolled in Medicare, and that number continues to grow as the Baby Boomer generation ages into eligibility.

Use our free age calculator to find your exact age in years, months, and days. Calculate total days lived, see time until your next birthday, and handle leap years accurately.

Citizenship and Residency Requirements Most People Overlook

To qualify for Medicare based on age, you must be either a U.S. citizen or a lawfully admitted permanent resident who has lived continuously in the United States for at least 5 consecutive years immediately before applying.

Non-citizens who meet the 5-year residency requirement and have sufficient work history access premium-free Part A under the same rules as citizens. Those who lack the required work quarters can purchase Part A at the full premium rate of $505 per month in 2024, provided they meet the residency threshold.

Undocumented immigrants do not qualify for Medicare regardless of age or work history. Some states offer limited emergency Medicaid to undocumented residents, but that is a separate program with distinct eligibility rules.

Key Finding: Permanent residents must have 5 consecutive years of U.S. residency before Medicare eligibility begins, even if they turn 65 during that 5-year period.

Automatic Enrollment vs. Active Enrollment

You are automatically enrolled in Medicare Part A (hospital insurance, meaning coverage for inpatient hospital stays, skilled nursing facility care, hospice, and some home health services) and Medicare Part B (medical insurance, meaning coverage for outpatient care, doctor visits, preventive services, and durable medical equipment) if you are already receiving Social Security retirement benefits or Railroad Retirement Board (RRB) benefits at least 4 months before you turn 65.

If you are not yet drawing Social Security income, you must enroll actively through the Social Security Administration (SSA) website, by calling 1-800-772-1213, or by visiting a local SSA field office.

People receiving Railroad Retirement Board (RRB) benefits are enrolled automatically through the RRB rather than the SSA. Their Medicare card arrives automatically, and enrollment rules mirror the SSA process in most respects. RRB beneficiaries with plan-specific questions should contact the RRB directly at 1-877-772-5772.

Failing to enroll on time when automatic enrollment does not apply triggers late enrollment penalties that permanently increase your monthly premium.

Key Finding: Automatic enrollment only applies when you are already receiving Social Security or RRB benefits before turning 65. Everyone else must take deliberate action.

Every Enrollment Period Explained

Medicare has five distinct enrollment periods, and each one applies to a different situation or beneficiary type.

The IEP is a 7-month window. Enrolling during the 3 months before your birthday month starts coverage on the first day of your birthday month. Enrolling during or after your birthday month delays coverage by 1 to 3 months.

What You Can and Cannot Do During Each Period

Not every enrollment period allows every type of coverage action. This distinction matters when planning coverage transitions.

The General Enrollment Period does not allow simultaneous Part D enrollment. You must use a separate Special Enrollment Period triggered by the GEP enrollment to add drug coverage, a technical detail many new enrollees miss.

Disability-Based Eligibility Before Age 65

People who have received Social Security Disability Insurance (SSDI) benefits, meaning monthly payments to workers who can no longer work due to a qualifying medical condition, for 24 consecutive months automatically become eligible for Medicare regardless of age.

The 24-month waiting period begins with the first SSDI payment month, not the date the disability began. Many newly disabled workers navigate this gap using private insurance, Medicaid, or marketplace plans under the Affordable Care Act (ACA).

Two conditions carry no waiting period at all:

1. ALS (Amyotrophic Lateral Sclerosis), also called Lou Gehrig’s disease: Medicare eligibility begins the same month SSDI payments start.
2. End-Stage Renal Disease (ESRD): Medicare eligibility begins after generally 3 months of dialysis, or immediately upon receiving a kidney transplant.

The SSDI Five-Month Waiting Period Compounds the Gap

Before the 24-month Medicare waiting period can even begin, SSDI imposes its own 5-month waiting period before the first disability payment is issued.

This means the total gap from the date of a disabling event to Medicare coverage can reach 29 months for a first-time SSDI applicant. For someone who becomes disabled at 50, that gap means navigating nearly 2.5 years without Medicare before coverage begins.

Returning to Work After Disability Does Not End Medicare Immediately

The Social Security Administration offers a Trial Work Period (TWP), which allows SSDI recipients to test their ability to work for up to 9 months within a rolling 60-month window without losing benefits or Medicare coverage.

After the Trial Work Period, a 36-month Extended Period of Eligibility (EPE) begins. Medicare coverage can continue for up to 8.5 years after the Trial Work Period begins under a provision informally called the 93-month rule. After that extended period, individuals with a continuing disabling condition may purchase Medicare as a Premium-HI enrollee.

What the Four Parts of Medicare Actually Cover

Medicare is divided into four distinct parts, each covering a different category of health care services.

Part A is premium-free for anyone who paid Medicare payroll taxes for at least 40 quarters (equivalent to 10 years of work). Those with 30 to 39 quarters pay $278 per month in 2024. Those with fewer than 30 quarters pay $505 per month.

Key Cost-Sharing Elements Within Each Part

Premiums are only part of the financial picture. Each part carries deductibles, copayments, and coinsurance that affect total out-of-pocket costs.

The absence of an out-of-pocket maximum in Original Medicare is one of its most significant coverage gaps. A catastrophic illness can result in unlimited personal liability under Parts A and B alone.

This gap is a primary reason many beneficiaries add a Medigap policy (also called Medicare Supplement Insurance, meaning private coverage that fills Original Medicare’s cost-sharing gaps) or choose Medicare Advantage, which by law must include an annual out-of-pocket maximum capped at $8,850 in-network in 2024.

Medigap Plan Types Available in 2024

Ten standardized Medigap plan types are available in most states, labeled by letter. Plans C and F are no longer available to beneficiaries who became eligible for Medicare on or after January 1, 2020, because they covered the Part B deductible, which federal law no longer permits for new enrollees.

Plan G has become the most popular Medigap option for newly eligible beneficiaries since Plan F was closed to new enrollees. It covers virtually all Original Medicare cost-sharing except the Part B deductible of $240 in 2024.

The best time to purchase a Medigap policy is during your 6-month Medigap Open Enrollment Period, which starts the month you are both age 65 or older and enrolled in Part B. During this window, insurers cannot deny you coverage or charge higher premiums due to pre-existing conditions.

The Late Enrollment Penalty Structure

Missing your enrollment window without a qualifying exception triggers permanent premium penalties that accumulate for every year of delay.

Part B late enrollment penalty: Your monthly Part B premium increases by 10 percent for each full 12-month period you were eligible but did not enroll. This penalty applies for as long as you have Part B.

Part D late enrollment penalty: Calculated by multiplying 1 percent of the national base beneficiary premium by the number of full uncovered months you lacked creditable drug coverage, meaning drug coverage at least as good as standard Medicare. This amount is permanently added to your monthly Part D premium.

Part A late enrollment penalty: If you must pay a premium for Part A and do not enroll when first eligible, your premium may increase by 10 percent for twice the number of years you were eligible but did not enroll.

Key Finding: The Part B penalty has no cap and accumulates indefinitely. A 3-year delay results in a permanent 30 percent premium surcharge for the rest of your life.

Real-Dollar Penalty Examples

These penalty amounts recalculate each year when the base Part B premium changes. A 10-year delay effectively doubles your Part B premium permanently.

How the Special Enrollment Period Protects Working Americans

Workers who remain employed past 65 with active employer coverage can delay Part B and Part D enrollment without penalty using a Special Enrollment Period (SEP), meaning an enrollment window triggered by a qualifying life event rather than a fixed calendar date.

The SEP lasts 8 months starting from the month employment ends or employer coverage ends, whichever comes first. It applies when your group health plan comes through an employer with 20 or more employees.

Three things to verify before relying on an SEP:

1. Confirm your employer coverage qualifies as primary coverage, meaning it pays claims before Medicare.
2. Confirm the employer has 20 or more employees, because smaller employer plans may require Medicare to pay first.
3. Do not confuse COBRA or retiree health coverage with active employer coverage. Neither qualifies as the basis for an SEP delay.

The Small Employer Exception Is a Costly Trap

When your employer has fewer than 20 employees, Medicare becomes the primary payer by law even if you remain employed and covered by a group plan.

In this situation, your employer plan pays only after Medicare has paid. If you have not enrolled in Medicare, claims may be denied or severely underpaid by your employer insurer. Many small-business employees turn 65 without realizing their employer plan has quietly become secondary coverage.

Other Life Events That Trigger a Special Enrollment Period

Employer retirement is not the only SEP trigger. Several other events open enrollment windows.

• Losing Medicaid eligibility triggers a 6-month SEP to join a Part D plan.
• Moving out of a plan’s service area triggers an SEP to enroll in a new Medicare Advantage or Part D plan.
• Losing creditable drug coverage from a union, Veterans Affairs (VA), or TRICARE plan triggers a 63-day SEP to join Part D without penalty.
• Qualifying for Extra Help at any point during the year opens a monthly SEP to change Part D plans.
• Moving into or out of a skilled nursing facility triggers certain plan change rights.

Veterans, TRICARE, and Federal Employee Coverage Interactions

Veterans Affairs Coverage and Medicare

VA health care and Medicare are completely separate programs. Enrolling in one does not automatically enroll you in the other, and each program operates independently.

VA coverage applies only at VA facilities and for VA-authorized care. If a veteran needs emergency care at a non-VA hospital, Medicare coverage becomes essential. Veterans who delay Part B enrollment and later lose VA eligibility face the standard Part B late enrollment penalty with no exception.

The Veterans’ Benefits Improvement Act does not exempt veterans from Medicare late enrollment penalties. Veterans who rely solely on VA care and forgo Part B are taking a risk that most financial planners advise against.

TRICARE and Medicare for Military Retirees

TRICARE for Life (TFL), the health care program for Medicare-eligible military retirees, acts as a secondary payer to Medicare and covers most Medicare cost-sharing. This effectively eliminates out-of-pocket costs for many services when both programs are active.

Military retirees who do not enroll in Part B at age 65 lose TRICARE coverage entirely and cannot reinstate it. This is one of the most serious and irreversible Medicare enrollment mistakes military families can make.

Federal Employees Health Benefits and Medicare

Federal Employees Health Benefits (FEHB) program coverage is considered creditable for both Part B and Part D purposes. Federal retirees can delay Part B without penalty as long as they maintain FEHB enrollment.

Many FEHB plans coordinate with Medicare and provide meaningfully better combined coverage than either program alone. Some FEHB plans waive their deductibles and cost-sharing entirely for enrollees who also carry Medicare Part B, making enrollment financially favorable for many federal retirees despite the added premium.

Income-Related Premium Adjustments: IRMAA

Higher-income Medicare enrollees pay more for Part B and Part D through the Income-Related Monthly Adjustment Amount (IRMAA), meaning an additional premium surcharge applied to beneficiaries whose income exceeds specific thresholds.

IRMAA is based on income from 2 years prior. Your 2024 premium is determined by your 2022 tax return.

Appealing an IRMAA Determination

If your income dropped significantly, you can request a lower IRMAA tier using Form SSA-44 (formally titled “Medicare Income-Related Monthly Adjustment Amount Life-Changing Event”), which substitutes more recent income data for the 2-year-old tax return CMS uses by default.

Qualifying life-changing events for an IRMAA appeal include:

• Marriage or divorce
• Death of a spouse
• Work stoppage or reduction, including retirement
• Loss of income-producing property through disaster or involuntary event
• Loss or reduction of pension income due to plan termination or employer bankruptcy
• Employer settlement payment received in connection with employer bankruptcy

Submitting Form SSA-44 with supporting documentation typically results in IRMAA recalculation within 30 to 60 days.

Low-Income Programs That Reduce Medicare Costs

Several federal and state programs meaningfully reduce Medicare costs for beneficiaries with limited income and resources.

• Medicare Savings Programs (MSPs): State-administered programs that help pay Part B premiums, deductibles, and copayments. Four tiers exist: Qualified Medicare Beneficiary (QMB), Specified Low-Income Medicare Beneficiary (SLMB), Qualifying Individual (QI), and Qualified Disabled and Working Individual (QDWI).
• Extra Help (Low Income Subsidy): A federal SSA program reducing Part D costs. Full benefit recipients pay no more than $4.50 for generic drugs and $11.20 for brand-name drugs per prescription in 2024.
• Medicaid Dual Eligibility: Individuals enrolled in both Medicare and Medicaid are called dual eligibles and receive coordinated benefits that can eliminate most out-of-pocket costs.

Contact your State Health Insurance Assistance Program (SHIP), meaning a federally funded, state-operated free counseling service, for personalized guidance on which programs you qualify for. You can find your local SHIP at shiphelp.org or by calling 1-877-839-2675.

Medicare Savings Program Income and Resource Limits (2024 Estimates)

QMB enrollment carries a critically important federal protection: providers are prohibited from billing QMB enrollees for Medicare cost-sharing amounts, even if the provider does not accept Medicaid. Many beneficiaries do not know this and pay bills they legally do not owe.

The Part D Landscape: Choosing a Drug Plan That Fits

Every Part D plan maintains its own formulary, meaning the list of covered drugs and the cost-sharing tiers assigned to each drug, and those formularies change every year.

The 2024 and 2025 Part D Redesign Under the Inflation Reduction Act

The Inflation Reduction Act of 2022, signed by President Joe Biden, introduced the most significant restructuring of Part D since the Medicare Modernization Act created the benefit in 2006. Changes are being phased in through 2025.

Key changes already in effect or phasing in:

1. Insulin cost cap: As of 2023, insulin covered under Part D is capped at $35 per month per covered insulin product.
2. Vaccine cost elimination: As of 2023, all ACIP-recommended vaccines covered under Part D are available at $0 cost-sharing.
3. $2,000 out-of-pocket cap: Beginning January 1, 2025, Part D carries a hard annual out-of-pocket cap of $2,000 for covered drugs, eliminating the previous catastrophic coverage phase.
4. Medicare Prescription Payment Plan: Beginning 2025, beneficiaries can spread Part D out-of-pocket costs across monthly installments throughout the year.
5. Closure of the coverage gap: The “donut hole,” meaning the coverage gap phase where beneficiaries historically faced sharply higher cost-sharing, has been effectively closed through a combination of manufacturer discounts and federal subsidies.

How to Compare Part D Plans Effectively

The Medicare Plan Finder tool at Medicare.gov allows you to enter your specific medications and compare estimated annual costs across all available Part D plans in your ZIP code.

Four factors to evaluate when comparing Part D plans:

1. Formulary coverage: Confirm each of your medications appears at an acceptable cost-sharing tier.
2. Pharmacy network: Verify your preferred pharmacy is a preferred in-network pharmacy, not just an in-network pharmacy. Preferred pharmacies offer lower cost-sharing.
3. Total estimated annual cost: Use the Plan Finder total cost figure, which includes premiums, deductibles, and copays based on your actual drug list.
4. Star ratings: CMS assigns 1 to 5 star ratings to Part D plans. Plans rated 5 stars can be joined at any time using a 5-Star Special Enrollment Period, providing an additional enrollment window outside standard periods.

Medicare Advantage: Opportunity and Trade-Off

More than 50 percent of all Medicare beneficiaries are now enrolled in a Medicare Advantage plan rather than Original Medicare, according to CMS data from 2024.

Federal law requires all Medicare Advantage plans to cover every service Original Medicare covers, with the exception of hospice care, which remains under Original Medicare even for Medicare Advantage enrollees.

Prior authorization, meaning a plan’s requirement to approve certain services before they are rendered, is used more extensively in Medicare Advantage than in Original Medicare. CMS finalized new rules in 2024 requiring faster prior authorization decisions from Medicare Advantage plans.

HMO vs. PPO vs. PFFS vs. SNP: The Medicare Advantage Plan Types

Special Needs Plans (SNPs) are designed for people with specific conditions or circumstances. Three types exist:

• Chronic Condition SNPs (C-SNPs): For people with severe chronic conditions such as diabetes, cardiovascular disease, or chronic lung disorders.
• Dual Eligible SNPs (D-SNPs): For people enrolled in both Medicare and Medicaid, offering coordinated benefits across both programs.
• Institutional SNPs (I-SNPs): For people living in nursing homes or requiring nursing-home-level care in the community.

What Medicare Does Not Cover

Several significant categories of health care are excluded from standard Medicare coverage.

Long-term custodial care, meaning non-medical assistance with daily activities such as bathing, dressing, and eating in a nursing home or assisted living facility, is the most significant and most misunderstood Medicare exclusion.

Medicare covers skilled nursing facility (SNF) care only after a qualifying hospital stay of at least 3 days, and only for up to 100 days per benefit period. The first 20 days are fully covered. Days 21 through 100 carry a daily coinsurance of $204 in 2024. Beyond 100 days, Medicare pays nothing.

Long-term care insurance (LTCI), a private insurance product specifically designed to cover custodial care costs, is the primary private-market solution for this gap. The American Association for Long-Term Care Insurance recommends evaluating LTCI options in your mid-50s, before health conditions raise premiums or result in denial.

Rethinking the Gap Between Social Security Retirement Age and Medicare

Medicare eligibility at 65 and Social Security full retirement age of 67 for people born in 1960 or later are two different numbers, and the gap between them creates planning complexity many people do not anticipate.

Workers who retire at 65 but delay Social Security must actively enroll in Part B and pay its premium out of pocket, without any Social Security payment to offset it, until benefits begin.

Workers who retire before 65 face a coverage gap between the end of employer insurance and the start of Medicare. Options include COBRA continuation coverage (which extends employer-plan coverage for up to 18 months but carries the full premium plus a 2 percent administrative fee), ACA marketplace plans, or Medicaid if income qualifies.

Proposals to lower the Medicare eligibility age to 60 or 55 have circulated in Congress, but as of 2024 the eligibility age remains 65 by statute under Title XVIII of the Social Security Act.

The Early Retirement Coverage Gap in Real Numbers

Someone who retires at 62 and relies on COBRA faces up to 36 months of coverage before Medicare begins. COBRA premiums can reach $600 to $800 per month for an individual or $1,500 to $2,000 per month for a family.

ACA marketplace plans often offer a lower-cost alternative for early retirees whose income falls between 100 percent and 400 percent of the federal poverty level (FPL), the income threshold used to determine eligibility for federal premium tax credits. Enhanced subsidies introduced by the American Rescue Plan Act of 2021 and extended through 2025 by the Inflation Reduction Act of 2022 have significantly reduced marketplace premiums for this group.

Coordinating Medicare With a Spouse’s Coverage

Medicare eligibility is individual. A spouse cannot be added to your Medicare, and one spouse reaching 65 has no impact on the other spouse’s eligibility timeline.

If a working spouse’s employer plan covers the older Medicare-eligible spouse, that coverage can serve as the basis for the older spouse’s Special Enrollment Period delay, provided the employer has 20 or more employees.

When the working spouse eventually retires or loses employer coverage, both spouses may face simultaneous enrollment decisions with different eligibility windows and penalty exposure. Timing these decisions together as a household rather than independently can produce meaningfully better financial outcomes over a retirement spanning 20 to 30 years.

The Birthday Rule in States That Offer It

A growing number of states have enacted a birthday rule, meaning a state-level consumer protection that gives Medigap policyholders a window each year around their birthday to switch to a Medigap plan of equal or lesser benefit without medical underwriting.

States that have enacted birthday rule protections include California, Idaho, Illinois, Louisiana, Maryland, Nevada, Oklahoma, and Oregon, among others. The window is typically 30 days before and after your birthday. This rule provides meaningful flexibility to shop for lower premiums after the initial Medigap open enrollment window has closed.

A Step-by-Step Path to Enrollment at Age 65

If you are approaching 65 and not yet receiving Social Security benefits, this sequence outlines the practical steps to enroll on time and avoid penalties.

1. Mark your calendar for 3 months before your 65th birthday month as your IEP opening date.
2. Visit SSA.gov and create or log into your my Social Security account to begin the online application, which takes approximately 10 to 30 minutes.
3. Decide on Part B enrollment based on whether you have qualifying active employer coverage from an employer with 20 or more employees.
4. Select a Part D plan using the Medicare Plan Finder at Medicare.gov if you are not enrolling in a Medicare Advantage plan that includes drug coverage.
5. Compare Medigap policies during your 6-month open enrollment window if you are choosing Original Medicare over Medicare Advantage.
6. Verify your Medicare card arrives by mail within 4 to 6 weeks of application approval.
7. Contact your SHIP counselor for state-specific guidance and low-income assistance program screening.

Enrolling online through the Social Security Administration is the fastest and most convenient method, and it does not require a separate application if you are simultaneously applying for Social Security retirement benefits.

FAQs

What age do you have to be to get Medicare?

Most people become eligible for Medicare at age 65. You can qualify earlier if you have received SSDI benefits for 24 months, have ALS, or have End-Stage Renal Disease. There is no minimum age for disability-based eligibility.

Can I get Medicare at 62?

You generally cannot get Medicare at 62 based on age alone. If you were approved for SSDI at 62, you would become eligible for Medicare after a 24-month waiting period, making you eligible at approximately 64 in that scenario.

When does my Medicare coverage actually start?

If you enroll during the 3 months before your birthday month, coverage starts the first day of your birthday month. Enrolling during or after your birthday month delays coverage by 1 to 3 months depending on the specific month you sign up.

What happens if I miss my Medicare enrollment window?

Missing your Initial Enrollment Period without a qualifying exception means waiting for the General Enrollment Period from January 1 through March 31, with coverage starting July 1. You will also face a permanent 10 percent late enrollment penalty for each 12-month period you delayed Part B.

Do I have to sign up for Medicare when I turn 65 if I still work?

No. If you have active employer coverage through an employer with 20 or more employees, you can delay Part B and Part D without penalty. You must enroll within the 8-month Special Enrollment Period that begins when your employment or employer coverage ends.

Is Medicare free at 65?

Part A is free for most people who worked and paid Medicare taxes for at least 10 years (40 quarters). Part B carries a standard monthly premium of $174.70 in 2024. Part D drug plan premiums vary by plan but average around $34.70 per month at the national base level.

What is the Medicare enrollment window called?

The enrollment window for new enrollees is called the Initial Enrollment Period (IEP). It is a 7-month window spanning 3 months before, the month of, and 3 months after your 65th birthday month.

Can my spouse get Medicare through my work history?

Yes. A spouse who did not accumulate 40 quarters of Medicare-covered employment may qualify for premium-free Part A based on your work record, provided you are at least 62 and they are at least 65.

What is the difference between Medicare Part A and Part B?

Part A covers inpatient hospital stays, skilled nursing facility care, hospice, and home health services. Part B covers outpatient care, doctor visits, preventive services, and durable medical equipment. Together they form Original Medicare.

How do I apply for Medicare for the first time?

You can apply online at SSA.gov, call the Social Security Administration at 1-800-772-1213, or visit a local SSA field office. The online application takes approximately 10 to 30 minutes to complete and is available around the clock.

What is Medicare Advantage and how is it different from Original Medicare?

Medicare Advantage, also called Medicare Part C, is an alternative to Original Medicare delivered through private insurers approved by CMS. These plans must cover everything Part A and Part B cover, usually include Part D drug coverage, and often add dental, vision, and hearing benefits. You must still pay your Part B premium even when enrolled in Medicare Advantage.

What is the income limit to avoid the IRMAA surcharge?

In 2024, individual filers with a modified adjusted gross income of $103,000 or less and joint filers at $206,000 or less pay the standard Part B premium of $174.70 with no IRMAA surcharge. Income above those thresholds triggers higher premiums on a tiered scale up to $594.00 per month.

Does Medicare cover prescription drugs automatically?

Original Medicare (Parts A and B) does not automatically cover outpatient prescription drugs. You must separately enroll in a Part D stand-alone drug plan or choose a Medicare Advantage plan that includes drug coverage. Failing to enroll when first eligible results in a permanent monthly penalty.

What is a Medigap policy and when should I buy one?

A Medigap policy, also called Medicare Supplement Insurance, is a private insurance policy that covers out-of-pocket costs Original Medicare does not pay, such as deductibles, copayments, and coinsurance. The best time to buy is during your 6-month Medigap Open Enrollment Period starting the month you are both 65 or older and enrolled in Part B, when insurers cannot deny you or charge more due to health history.

What is Extra Help and who qualifies?

Extra Help is a federal SSA program that reduces Part D prescription drug costs for people with limited income and resources. Full benefit recipients in 2024 pay no more than $4.50 for generic drugs and $11.20 for brand-name drugs per prescription. Contact SSA or your local SHIP to check current income and resource thresholds.

Can I delay Medicare if I have a Health Savings Account (HSA)?

Yes. Once you enroll in any part of Medicare, you can no longer contribute to a Health Savings Account (HSA), meaning a tax-advantaged savings account linked to a high-deductible health plan. Many workers choose to delay Medicare enrollment specifically to continue making HSA contributions, provided their employer coverage is primary and the employer has 20 or more employees.

What does End-Stage Renal Disease mean for Medicare eligibility?

End-Stage Renal Disease (ESRD) refers to permanent kidney failure requiring regular dialysis or a kidney transplant. People with ESRD qualify for Medicare at any age, generally after 3 months of dialysis or immediately upon receiving a kidney transplant. This is one of the most significant under-age eligibility pathways in the Medicare program.

Does Medicare cover care outside the United States?

Original Medicare generally does not cover medical services received outside the United States, with very limited exceptions for emergencies near the Canadian or Mexican border. Medigap Plans D, G, M, and N include a foreign travel emergency benefit covering 80 percent of medically necessary emergency care abroad after a $250 deductible, up to a $50,000 lifetime limit. Separate travel health insurance can fill remaining gaps for frequent international travelers.

What is the difference between Medicare Advantage and Medigap?

Medicare Advantage replaces Original Medicare entirely, delivering all Part A and Part B benefits through a private insurer, usually within a network. Medigap works alongside Original Medicare, filling in cost-sharing gaps without replacing the underlying coverage. You cannot hold both Medicare Advantage and a Medigap policy simultaneously. The two approaches are mutually exclusive.

How does the $2,000 Part D out-of-pocket cap work starting in 2025?

Beginning January 1, 2025, Part D beneficiaries will pay no more than $2,000 out of pocket annually for covered prescription drugs. Once you reach the $2,000 threshold, your plan pays 100 percent of covered drug costs for the remainder of the calendar year. This cap replaces the previous catastrophic phase structure and is the most significant Part D benefit improvement since the program launched in 2006.

What is a SHIP and how can it help me?

A State Health Insurance Assistance Program (SHIP) is a federally funded, state-operated program providing free and unbiased counseling to Medicare beneficiaries and their families. SHIP counselors help with enrollment decisions, plan comparisons, billing disputes, appeal processes, and identifying low-income assistance programs. Find your local SHIP at shiphelp.org or by calling 1-877-839-2675.