You become may be able to access for Medicare at age 65

Medicare coverage begins the month you turn 65, as long as you or your spouse paid Medicare taxes while working. You do not have to wait until your birthday month ends — coverage starts on the first day of that month. If your birthday falls on the first of the month, coverage begins the previous month.

You can sign up for Medicare starting three months before you turn 65. The best time to sign up is during your initial enrollment period, which runs for seven months: three months before the month you turn 65, the month itself, and three months after. Signing up during this window protects you from late enrollment penalties that can raise your premiums permanently.

Key Takeaways

  • Medicare may be able to access begins the month you turn 65 if you or your spouse paid Medicare taxes for at least 10 years while working.
  • You can sign up three months before your 65th birthday, and you have until three months after to avoid late enrollment penalties.
  • Some people under 65 may be covered through Medicare if they receive Social Security Disability Insurance (SSDI) for at least 24 months or have end-stage renal disease or ALS.
  • If you delay signing up past your initial enrollment period without a valid reason, your Part B and Part D premiums will increase by 10 percent for each year you were late.
  • You must be a U.S. citizen or lawful permanent resident to receive Medicare, and you need to have lived in the United States for at least five consecutive years.

Who qualifies at 65 based on work history

To receive Medicare Part A (hospital insurance) at 65, you or your spouse must have worked and paid Medicare taxes for at least 10 years — not necessarily consecutive. The Social Security Administration tracks these credits automatically. You earn one credit for each quarter you paid Medicare taxes, and you need 40 credits total to may have access to. Most people reach 40 credits after 10 years of work.

If you do not have 10 years of work history yourself, you may still may have access to through your spouse's work record if you are at least 62 years old and married, or through an ex-spouse's record if you were married for at least 10 years and are now divorced or widowed. You can check your work history and credits by creating an account on the Social Security website or by visiting your local Social Security office.

Medicare coverage before age 65

Some people under 65 receive Medicare through different routes. If you have received Social Security Disability Insurance (SSDI) for 24 consecutive months, you become may be able to access for Medicare regardless of age. This means a person who began receiving SSDI at age 40 would become may be able to access for Medicare at age 42.

You also may have access to for Medicare before 65 if you have end-stage renal disease (ESRD) — permanent kidney failure requiring dialysis or a transplant — or if you have been diagnosed with amyotrophic lateral sclerosis (ALS, also called Lou Gehrig's disease). For ESRD, you can sign up as soon as you begin dialysis or are referred for a kidney transplant. For ALS, you become may be able to access the month you are diagnosed.

Citizenship and residency requirements

You must be a U.S. citizen or a lawful permanent resident to receive Medicare. Lawful permanent residents are people with a green card who have been granted permission to live and work in the United States permanently. If you are a citizen, you do not need to prove residency to sign up.

If you are a lawful permanent resident, you must have lived in the United States for at least five consecutive years when ready before you sign up for Medicare. Time spent outside the country breaks this five-year period, so you would need to start counting again. You will need to provide proof of your residency status when you sign up, such as your green card or naturalization certificate.

What happens if you miss your initial enrollment period

If you do not sign up during your seven-month initial enrollment period and you do not have a valid reason for the delay, you will face late enrollment penalties. These penalties are permanent — they do not go away after a certain time.

For Part B (medical insurance), your premium increases by 10 percent for each full year you were late. If you delayed signing up for two years, your Part B premium would be 20 percent higher than the standard amount for the rest of your life. For Part D (prescription drug coverage), the penalty is 1 percent of the national base premium for each month you were late, also applied for life. The only way to avoid these penalties is to sign up as soon as you become aware you are may be able to access, even if you are years past your initial period.

Valid reasons to sign up late without penalties

Medicare recognizes certain situations as valid reasons to sign up after your initial enrollment period without facing penalties. These are called "may have access to life events" or "exceptional circumstances." If you were covered by a group health plan through your own or your spouse's current employment, you do not face a penalty for signing up late — you have eight months after that coverage ends to sign up without penalty.

Other valid reasons include being out of the country for more than six months, being in active military service, or having incorrect information from the Social Security Administration or Medicare. If you believe you have a valid reason, contact Social Security or Medicare directly with documentation. Do not assume your situation qualifies — it is better to ask and get a clear answer than to risk permanent penalties.

How to sign up when you turn 65

You can sign up for Medicare online through Medicare.gov, by phone at 1-800-MEDICARE (1-800-633-4227), or in person at your local Social Security office. Online signup is the fastest option and takes about 10 minutes. You will need your Social Security number, date of birth, and information about any current health coverage.

If you are already receiving Social Security benefits, you will be signed up for Medicare Parts A and B automatically three months before you turn 65. You do not need to do anything unless you want to decline Part B or choose a different coverage option. If you are not yet receiving Social Security, you must sign up for Medicare separately even if you have already signed up for Social Security.

Frequently Asked Questions

Can I get Medicare before I turn 65?

Yes, if you have received SSDI for 24 months, have end-stage renal disease, or have been diagnosed with ALS. Otherwise, you must wait until 65. If you are close to 65 and have a medical need, talk to your doctor about whether any of these earlier pathways explore to you.

What if I am still working at 65?

You still need to sign up for Medicare at 65, even if you are working and have employer coverage. Your employer health plan becomes secondary to Medicare, meaning Medicare pays first. You can delay signing up for Part B without penalty only if your employer has 20 or more employees and you are covered through your current job.

Do I lose Medicare if I move out of the country?

You can keep Medicare Parts A and B if you move abroad, but coverage is limited — Medicare generally does not pay for care outside the United States except in rare cases. Part D (prescription drugs) does not work outside the U.S. at all. Talk to Medicare before you move to understand what coverage will follow you.

What if I do not have 10 years of work history?

You may still may have access to through your spouse's or ex-spouse's work record. You can also purchase Part A coverage if you are 65 or older and do not may have access to any other way, though there is a monthly premium. Contact Social Security to explore all your options based on your specific situation.

When should I sign up if my birthday is at the end of the month?

Sign up three months before your birthday month. If you turn 65 on January 31, start the signup process in October. Your coverage will begin January 1, giving you a full month of coverage before your actual birthday.