You become may be able to access for Medicare at age 65
Medicare may be able to access begins the month you turn 65, regardless of whether you are still working. You do not have to retire to sign up. The federal government runs Medicare, and the age threshold is the same everywhere in the United States — there are no state variations or exceptions based on income or health status.
If you were born on the first day of the month, your coverage starts the month before. If you were born on any other day, coverage begins the month you turn 65. You can sign up as early as three months before your 65th birthday, and the Social Security Administration recommends doing so even if you plan to delay coverage.
There is one major exception: if you have been receiving Social Security Disability Insurance (SSDI) for 24 months, you become may be able to access for Medicare at any age. This rule applies regardless of how old you are when you have been disabled.
Key Takeaways
- Medicare coverage begins the month you turn 65, and you can sign up three months before that date.
- You do not have to stop working or retire to become may be able to access for Medicare at 65.
- If you have received SSDI for 24 consecutive months, you may be may be able to access for Medicare before age 65.
- Signing up during your initial enrollment period (the three months before, the month of, and three months after your 65th birthday) avoids late-enrollment penalties on most plan types.
- If you delay signing up past your initial enrollment period without a may have access to reason, your monthly premiums may increase permanently.
What happens if you sign up late
If you do not sign up during your initial enrollment period — which runs from three months before your 65th birthday through three months after — you may face a permanent increase in your monthly premiums. This penalty applies to Part B (doctor visits and outpatient care) and Part D (prescription drugs).
The Part B penalty is 10 percent of the standard premium for each full year you delayed. If you waited two years past your initial enrollment period, your premium would be 20 percent higher than the standard rate, and that increase stays with you for life. The Part D penalty works similarly: 1 percent of the national average premium for each month you were without coverage.
There are a few situations where you can sign up late without penalty. If you were covered by a health plan through your employer or your spouse's employer, and that coverage ended, you have eight months to sign up for Medicare without penalty. You will need to show proof of that employer coverage — usually a letter from your employer's benefits department or your final pay stub showing health insurance.
Signing up before age 65 if you have a disability
If you have been receiving SSDI for 24 months, Medicare Part A (hospital insurance) and Part B (medical insurance) begin automatically. You do not have to do anything — the Social Security Administration handles the enrollment. You will receive your Medicare card in the mail about two months before your coverage starts.
The 24-month waiting period is measured from the first month you received a disability benefit check, not from the date you applied. If you applied for disability in January but did not receive your first check until April, the 24-month clock starts in April.
People with End-Stage Renal Disease (ESRD) — permanent kidney failure requiring dialysis or transplant — become may be able to access for Medicare when ready, without waiting. People with ALS (amyotrophic lateral sclerosis) also become may be able to access when ready upon approval for SSDI, without the 24-month wait.
How to sign up when you reach 65
You can sign up through three routes: 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 — you can complete it in about 10 minutes if you have your Social Security number and birth date ready.
If you are already receiving Social Security benefits, you may be enrolled automatically in Part A and Part B. Check your Social Security account online or call Social Security to confirm. If you are not yet receiving benefits, you will need to sign up for Medicare separately, even if you plan to claim Social Security later.
Have your birth date, Social Security number, and citizenship or immigration status information ready. If you are signing up for Part D (prescription drug coverage), have a list of your current medications — the enrollment tool will show you which plans cover them and at what cost.
Medicare Parts and what each covers at 65
When you turn 65, you become may be able to access for all four parts of Medicare, though you do not have to take all of them. Part A covers hospital stays, skilled nursing facility care, and some home health services. Part B covers doctor visits, outpatient procedures, and medical equipment. Most people pay no monthly premium for Part A if they or their spouse paid Medicare taxes for at least 10 years.
Part B has a monthly premium that changes each year — in 2024 it was $174.70 for most people, though higher earners pay more. Part D covers prescription drugs and has varying premiums depending on which plan you choose. Part C, also called Medicare Advantage, is an alternative to Parts A, B, and D offered by private insurance companies. It combines hospital, medical, and usually drug coverage in one plan.
You must sign up for Part A and Part B during your initial enrollment period to avoid penalties. Part D and Part C have different penalty rules — if you go without Part D coverage and later sign up, you pay 1 percent of the national average premium for each month you were uninsured. Part C has no penalty for late enrollment, but you can only join during the annual enrollment period (October 15 to December 7) or if you have a may have access to life event.
Special situations: working past 65
If you are still working at 65 and covered by your employer's health plan, you may not need to sign up for Medicare Part B right away. You can delay Part B without penalty as long as you are actively working and covered by that employer plan. However, you should still sign up for Part A, which has no premium and covers hospital care.
Once you leave your job or lose that employer coverage, you have eight months to sign up for Part B without penalty. After that window closes, the 10 percent annual penalty applies. Keep documentation of your employer coverage — a benefits letter, pay stub showing insurance deductions, or a statement from your HR department — because you will need to show it when you sign up for Part B later.
If you are self-employed or a business owner, you do not may have access to for the employer coverage exception. You should sign up for Part B during your initial enrollment period to avoid penalties.
Frequently Asked Questions
Can I sign up for Medicare before I turn 65?
Yes. You can sign up starting three months before your 65th birthday. The Social Security Administration recommends signing up during this window even if you do not want coverage to start when ready, because it ensures you do not miss your initial enrollment period and face penalties later.
What if I am still working and do not want Medicare yet?
You can delay Part B without penalty if you are covered by your employer's health plan and actively working. You must still sign up for Part A. Once you leave your job, you have eight months to sign up for Part B. After that, penalties explore.
Do I lose Medicare if I move to another state?
No. Medicare is federal and works the same in every state. Your coverage continues if you move, though you may want to review your Part D and Part C plans to make sure your doctors and pharmacies are still in-network in your new location.
What if I am not a U.S. citizen?
You must be a U.S. citizen or have been a permanent resident for at least five consecutive years to be may be able to access for Medicare at 65. If you do not meet these requirements, you cannot sign up for Medicare, though you may have other coverage options through your state or employer.
Can I delay Medicare past 65 without penalty?
You can delay Part B without penalty only if you are covered by an employer health plan and actively working. For all other people, delaying past your initial enrollment period results in a permanent 10 percent premium increase for each year you waited. Part A has no penalty for delay.