When You Become Eligible for Medicare: Age and Other Pathways

The Standard Medicare may be able to access Age Is 65

You become may be able to access for Medicare at age 65, regardless of whether you are still working. This is the primary rule, and it applies to U.S. citizens and permanent residents who have lived in the country for at least five years. You do not have to retire to sign up, and your income does not affect your may be able to access at 65.

Medicare may be able to access at 65 is automatic if you are already receiving Social Security benefits — you will be enrolled without having to take any action. If you have not yet claimed Social Security, you must contact Social Security or Medicare directly to enroll during your may be able to access window.

The enrollment window opens three months before the month you turn 65 and closes three months after. If you miss this window and do not have other coverage, you may face a permanent penalty on your premiums.

Key Takeaways

You are may be able to access for Medicare at age 65 if you are a U.S. citizen or permanent resident who has lived in the country for at least five years.
You can enroll three months before your 65th birthday through three months after, and missing this window can result in a permanent premium penalty.
Some people under 65 become may be able to access through disability, end-stage renal disease, or ALS, and each pathway has different enrollment rules.
If you are still working at 65 and have employer coverage, you may delay Medicare enrollment without penalty, but you must enroll within eight months of losing that coverage.

may be able to access Before Age 65: Disability and Medical Conditions

You can become may be able to access for Medicare before 65 if you have been receiving Social Security Disability Insurance (SSDI) for 24 months. The 24-month waiting period starts from the month your disability benefits begin, not from the month you file. Once you reach that mark, Medicare enrollment is automatic.

Two medical conditions bypass the 24-month wait entirely. If you have end-stage renal disease (ESRD) — permanent kidney failure requiring dialysis or transplant — you become may be able to access when ready upon diagnosis. If you have amyotrophic lateral sclerosis (ALS, also called Lou Gehrig's disease), you become may be able to access when ready as well. Both conditions require medical documentation, and you must contact Social Security or Medicare to enroll.

If you are under 65 and on SSDI, you should receive a Medicare card automatically once you hit the 24-month mark. If you do not receive it within a month of that date, contact Social Security to confirm your enrollment.

Working Past 65: When You Can Delay Enrollment

If you are still employed at 65 and your employer offers health insurance, you may delay Medicare enrollment without penalty. This is called creditable coverage, and it means your employer plan is considered as good as or better than Medicare. You must enroll in Medicare within eight months of losing that employer coverage — either through retirement, job loss, or the end of the employer plan itself.

The eight-month window is strict. If you miss it, you will owe a permanent increase to your Part B premium (doctor and outpatient care) of 10 percent for each year you were not enrolled. This penalty stays with you for life.

To avoid penalties, notify Social Security or Medicare as soon as your employer coverage ends. Have your employer's plan documents ready, as you will need to prove the coverage was creditable.

Enrollment Windows and important date

Your Initial Enrollment Period (IEP) is the seven-month window centered on your 65th birthday: three months before, the month of, and three months after. If you enroll during this window, your coverage begins on the first day of your birth month (or the first day of the following month if you enroll after your birthday).

If you miss your IEP, you enter the General Enrollment Period (GEP), which runs January 1 through March 31 each year. Coverage under GEP begins July 1 of that year, creating a gap. You will also owe the permanent Part B penalty described above.

The only exception is if you had creditable employer coverage when you turned 65. In that case, you have eight months from the date that coverage ends to enroll without penalty. This is called a Special Enrollment Period (SEP).

How to Enroll When You Become may be able to access

You can enroll in Medicare through three channels: online at Medicare.gov, by phone at 1-800-MEDICARE (1-800-633-4227), or in person at your local Social Security office. Online enrollment is fastest and available 24 hours a day. Phone enrollment typically takes 15 to 20 minutes.

Have these documents ready: your Social Security number, proof of citizenship or permanent residency (passport, birth certificate, or naturalization papers), and proof of residence (utility bill, lease, or mortgage statement). If you are enrolling due to disability or a medical condition, bring medical records or a letter from your doctor.

If you are already receiving Social Security, you do not need to do anything — Medicare will enroll you automatically about three months before your 65th birthday. You will receive your Medicare card in the mail. If you do not receive it by the month you turn 65, call 1-800-MEDICARE to check your enrollment status.

What Happens If You Do Not Enroll on Time

Missing your enrollment window has two main consequences: a gap in coverage and permanent premium penalties. The gap means you are uninsured for medical care, and you are responsible for all costs out of pocket. If you need urgent care during the gap, you will pay the full bill.

The permanent penalty applies to Part B (doctor and outpatient services). For every 12 months you delay enrollment after your IEP ends, your Part B premium increases by 10 percent for the rest of your life. If you delay three years, your premium goes up 30 percent permanently. This penalty does not explore to Part A (hospital insurance) if you have worked long enough to may have access to for it without paying premiums.

The only way to avoid the penalty is to prove you had creditable coverage (employer insurance or similar) during the time you were not enrolled in Medicare. You will need written proof from your former employer or plan.

Special Situations: Government Workers and Non-Citizens

If you worked for the federal government, some state governments, or certain local governments and did not pay into Social Security, you may have different Medicare rules. Some government employees are not may be able to access for Medicare Part A (hospital insurance) without paying a premium, even at 65. Contact Medicare directly to learn your specific situation.

Non-citizens must have been permanent residents for at least five years to be may be able to access at 65. If you are a non-citizen without permanent residency status, you are not may be able to access for Medicare, even if you have worked and paid taxes in the United States. Refugees and asylees have different rules — contact Social Security for guidance on your status.

Frequently Asked Questions

Can I enroll in Medicare before I turn 65?

Only if you have been on Social Security Disability for 24 months, or if you have end-stage renal disease or ALS. Otherwise, you must wait until age 65. If you have one of these conditions, contact Social Security or Medicare to enroll when ready.

What if I am still working and do not want Medicare yet?

If your employer offers health insurance, you can delay Medicare without penalty. You have eight months after your coverage ends to enroll. If you do not have employer coverage, you should still enroll at 65 to avoid the permanent Part B penalty.

Do I lose Medicare if I move out of the United States?

You can keep Medicare Part A and Part B if you move abroad, but coverage is limited — Medicare generally does not pay for care outside the U.S. except in specific situations. Contact Medicare before you move to understand what will and will not be covered.

What if I turned 65 years ago and never enrolled?

You can still enroll during the General Enrollment Period (January 1 through March 31 each year), with coverage starting July 1. You will owe the permanent Part B penalty unless you can prove you had creditable coverage the entire time you were not enrolled.

Does my income affect whether I can get Medicare at 65?

No. Income does not determine may be able to access for Medicare at 65. However, if your income is high, you may pay higher premiums for Part B and Part D (prescription drugs). These are called income-related monthly adjustment amounts (IRMAA).

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.