Getting Medicare Before Age 65: Who Qualifies and How

Yes, you can get Medicare before 65 if you meet one of three conditions

Medicare is not limited to people who turn 65. You can enroll earlier if you have End-Stage Renal Disease (ESRD), receive Social Security Disability Insurance (SSDI), or have Amyotrophic Lateral Sclerosis (ALS). The path to coverage depends on which condition applies to you, and the timing matters — some routes start automatically, while others require you to take action.

The most common early route is through SSDI. If you have been receiving disability payments for 24 months, Medicare Part A and Part B coverage begins automatically in your 25th month of benefits. You do not need to do anything; Social Security handles the enrollment. If you have ESRD, you become may be able to access for Medicare as soon as your doctor certifies you need dialysis or a transplant, regardless of age. If you have ALS, you are may be able to access when ready upon diagnosis — no waiting period.

Key Takeaways

SSDI recipients become may be able to access for Medicare after 24 months of receiving disability payments, with coverage starting automatically in month 25.
ESRD patients are may be able to access as soon as dialysis or transplant is medically necessary, and must contact Social Security to enroll.
ALS patients are may be able to access when ready upon diagnosis and should contact Social Security to start the enrollment process.
You will still pay premiums for Part B and Part D coverage even if you may have access to early, unless your income is low enough for Extra Help or Medicaid.
If you are working and have group health insurance through your employer, you may be able to delay Part B enrollment without penalty.

Medicare through SSDI: The 24-Month Rule

If you receive Social Security Disability Insurance, Medicare may be able to access is tied to your benefit duration, not your age. After you have been on SSDI for 24 consecutive months, you automatically become may be able to access for Medicare Part A (hospital insurance) and Part B (medical insurance). Your coverage begins on the first day of your 25th month of benefits.

You do not need to contact anyone or submit paperwork for this enrollment — Social Security processes it automatically. About three months before your coverage starts, you will receive a Medicare card in the mail. If you do not receive it, contact Social Security at 1-800-772-1213 to confirm your enrollment.

The 24-month clock starts from the month Social Security approves your disability claim, not from the month you applied. If you were approved retroactively (meaning the approval date is earlier than when you applied), your 24 months are counted from that earlier approval date. This can mean you become Medicare-may be able to access sooner than you expected.

Medicare through ESRD: when ready may be able to access

End-Stage Renal Disease qualifies you for Medicare at any age, but only once your condition reaches a specific medical threshold. You become may be able to access when your doctor certifies that you have permanent kidney failure and need either dialysis or a kidney transplant. The diagnosis of kidney disease alone is not enough — the condition must require active treatment.

Unlike SSDI, ESRD may be able to access does not happen automatically. You must contact Social Security or Medicare to enroll. Call Social Security at 1-800-772-1213 or visit your local Social Security office with documentation from your nephrologist (kidney specialist) stating that you need dialysis or transplant. Bring your Social Security card, proof of citizenship or legal residency, and a letter from your doctor confirming the diagnosis and treatment plan.

Your coverage can begin as early as the month your doctor certifies the need for treatment, though Social Security will determine the exact start date based on when you contact them. If you delay enrollment, your coverage will start the month you contact Social Security, not retroactively from when treatment began.

Medicare through ALS: when ready may be able to access

Amyotrophic Lateral Sclerosis (ALS) is the only condition that makes you may be able to access for Medicare when ready upon diagnosis, with no waiting period. You do not need to be on disability, you do not need to have worked a certain number of years, and you do not need to wait 24 months. Once your doctor diagnoses ALS, you can enroll in Medicare.

Contact Social Security at 1-800-772-1213 or visit your local office with your diagnosis documentation. Bring your Social Security card, proof of citizenship or legal residency, and a letter from your neurologist or ALS specialist confirming the diagnosis. Social Security will process your enrollment, and your coverage typically begins the month after you contact them.

What You Pay When You Enroll Early

Enrolling in Medicare before 65 does not mean you avoid premiums. You will still pay a monthly premium for Part B (medical insurance) unless you are also on Medicaid or may have access to for Extra Help, a program that covers premiums for people with limited income. The Part B premium amount is the same regardless of your age.

If you enroll in Part D (prescription drug coverage), you will also pay a monthly premium for that plan. The amount varies by plan. If you do not enroll in Part D when you first become may be able to access and later want to join, you may pay a late enrollment penalty — an extra amount added to your premium for as long as you have Part D coverage.

If you are still working and have health insurance through your employer, you may be able to delay Part B enrollment without penalty. This is called the working beneficiary exception. You must have group health insurance based on your current employment (or your spouse's current employment), and you must notify Medicare that you are using this exception. Contact Medicare at 1-800-MEDICARE to report your group coverage.

Coordinating Early Medicare with Other Coverage

If you are under 65 and have both Medicare and employer health insurance, the coordination rules depend on your situation. If your employer has 20 or more employees, the employer plan is primary (pays first), and Medicare is secondary. If your employer has fewer than 20 employees, Medicare is primary.

If you are on Medicaid as well as Medicare, Medicaid covers costs that Medicare does not, such as premiums, deductibles, and copayments — but only if your income and resources fall within your state's limits. Contact your state Medicaid office to see if you may have access to.

If you have Veterans benefits, TRICARE (military health coverage), or Indian Health Service coverage, those programs have their own coordination rules with Medicare. Contact your benefits administrator to understand how early Medicare enrollment affects your other coverage.

Common Mistakes to Avoid

One frequent error is assuming SSDI may be able to access means you are automatically on Medicare. You are not — you must wait for the 24-month period to complete. If you need health coverage before month 25, you may be able to stay on Medicaid or enroll in an ACA marketplace plan, depending on your state and income.

Another mistake is not reporting your group health insurance to Medicare if you are working. If you have employer coverage and enroll in Part B anyway, you may pay premiums you do not need to pay. Report your coverage to Medicare before you enroll, or as soon as you enroll, to avoid overpaying.

For ESRD and ALS patients, delaying contact with Social Security delays your coverage start date. There is no retroactive enrollment for these conditions — your coverage begins the month Social Security processes your request. The sooner you contact them with your doctor's documentation, the sooner your coverage can start.

Frequently Asked Questions

If I am on SSDI and turn 65, do I need to do anything?

No. Your SSDI coverage automatically converts to regular Medicare at age 65. You will still receive the same benefits, but your case will be managed under the regular Medicare system instead of the disability system. You do not need to take any action.

Can I get Medicare if I have ESRD but do not need dialysis yet?

Not yet. You become may be able to access only when your doctor certifies that you need dialysis or a transplant. If you have kidney disease but do not require treatment, you are not may be able to access. Once your doctor determines treatment is medically necessary, contact Social Security to enroll.

What if my SSDI claim was denied but I appealed?

The 24-month clock does not start until Social Security approves your claim. If you are in the appeals process, you are not yet on SSDI, so the clock has not started. Once an approval is issued, the 24 months begin from that approval date.

Do I have to enroll in Part D when I get early Medicare?

Part D is optional, but if you do not enroll when you first become may be able to access and later want to join, you will pay a late enrollment penalty. If you do not take any prescription drugs, you can skip Part D, but you must actively decline it or you may be automatically enrolled in a plan.

Can I use Medicare at any hospital or doctor?

Medicare Part A works at any hospital that accepts Medicare. Part B works with any doctor who accepts Medicare. However, if you also have an employer plan, that plan may have a network of preferred providers. Check both your Medicare and employer plan documents to understand your coverage options.

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.