Yes, you can enroll in Medicare by phone, but only for certain situations

You can call Medicare directly to enroll, but phone enrollment works differently depending on which part of Medicare you need and when you are calling. Original Medicare (Parts A and B) can be set up by phone through Social Security or Medicare itself. Medicare Advantage and Part D prescription drug plans have stricter rules — some allow phone enrollment, others require you to enroll online or through an agent. The timing matters: during the general enrollment period, phone enrollment is straightforward. Outside that window, your options narrow.

The phone numbers you need are real and specific. For Original Medicare, call Social Security at 1-800-772-1213 (TTY 1-800-325-0778). For Medicare Advantage or Part D, call Medicare directly at 1-800-MEDICARE (1-800-633-4227). Have your Social Security number, birth date, and citizenship information ready before you call.

Key Takeaways

  • Original Medicare (Parts A and B) can be enrolled in by phone through Social Security or Medicare at 1-800-772-1213 or 1-800-633-4227.
  • Medicare Advantage and Part D plans vary by insurer — some accept phone enrollment during open enrollment, others require online or agent enrollment.
  • Calling during the general enrollment period (January 1 to March 31) is simpler than calling outside those dates, when late enrollment penalties may explore.
  • Have your Social Security number, birth date, and current health insurance information available when you call.
  • If you miss your initial enrollment window, calling Medicare to understand your options and any penalties is your first step.

Original Medicare enrollment by phone

Original Medicare consists of Part A (hospital insurance) and Part B (medical insurance). Most people become automatically enrolled in Part A when they turn 65 if they are already receiving Social Security benefits. If you are not yet on Social Security, you need to enroll in Part A yourself.

To enroll in Original Medicare by phone, call Social Security at 1-800-772-1213. You can also call Medicare at 1-800-633-4227, and they will transfer you or handle the enrollment directly. The call takes about 15 to 20 minutes. You will need to provide your Social Security number, date of birth, citizenship status, and information about any current health coverage. Social Security will mail you your Medicare card within two weeks.

Part B (medical insurance) requires you to pay a monthly premium, so enrollment is not automatic. If you do not enroll in Part B when you first become may be able to access at 65, you may face a permanent late enrollment penalty on your premium. The general enrollment period runs January 1 through March 31 each year, and coverage begins the month after you enroll. If you enroll in January, coverage starts in February.

Medicare Advantage and Part D enrollment by phone

Medicare Advantage plans (Part C) and Part D prescription drug plans are sold by private insurance companies, not by Medicare directly. Some insurers allow phone enrollment during the annual open enrollment period (October 15 to December 7), but policies vary widely. Before you call, you need to know which plan you want to join — Medicare's website has a plan finder tool, or you can call 1-800-633-4227 and ask a representative to help you compare plans.

Once you have chosen a plan, call the insurance company directly. Their phone number will be on the plan information page. Some companies will complete enrollment over the phone; others will mail you forms or direct you to enroll online. If the company does not allow phone enrollment, ask if they have a licensed agent who can enroll you by phone on their behalf — many do.

Outside the open enrollment period (December 8 to October 14), phone enrollment for Advantage and Part D plans is generally not available unless you have a may have access to life event, such as losing employer coverage, moving to a new state, or becoming newly may be able to access for Medicare. If you experience a may have access to event, call Medicare at 1-800-633-4227 within 60 days to report it and explore your options.

What happens during a Medicare phone enrollment call

When you call, have these documents or information ready: your Social Security number, date of birth, current health insurance information (if you have it), and a list of your doctors and pharmacies if you are enrolling in a Medicare Advantage or Part D plan. The representative will ask about your citizenship, whether you are a U.S. resident, and your income (for some programs). They will also ask whether you have coverage through an employer or spouse's employer, because that affects your enrollment options.

The representative will confirm the coverage you want, explain your costs (premiums, deductibles, copays), and answer questions about coverage dates. For Original Medicare, they will tell you when your Part A and Part B coverage begins. For Advantage or Part D, they will confirm your plan choice and when coverage starts — usually the first of the following month. Ask for a confirmation number before you hang up.

After the call, you will receive written confirmation in the mail. For Original Medicare, your Medicare card arrives separately. For Advantage and Part D, your insurance company sends your plan documents and member ID card. Keep these documents. If anything is wrong, call back within 14 days to make changes.

Enrollment important date and late penalties

Your initial enrollment period is the seven-month window that begins three months before the month you turn 65 and ends three months after. If you enroll during this window, there is no late enrollment penalty. If you miss this window and do not have other may have access to coverage (such as an active employer plan), you will pay a permanent penalty on your Part B and Part D premiums for as long as you have Medicare.

The general enrollment period each year runs January 1 to March 31. During this time, you can enroll in Original Medicare or switch between plans without penalty, but coverage does not start until the following month. If you are already on Medicare and want to switch plans, you have until December 7 of each year during the annual open enrollment period.

If you miss a important date and believe you have a good reason — such as not knowing you needed to enroll, a language barrier, or a serious illness — you can ask for a special enrollment period. Call Medicare at 1-800-633-4227 to request one. They will review your situation, but approval is not may provide.

When phone enrollment is not available

Some Medicare Advantage and Part D plans do not accept phone enrollments at all. These plans may require you to enroll online through the insurance company's website or through Medicare's website at Medicare.gov. If a plan does not offer phone enrollment and you do not have internet access, call the insurance company and ask if they have a licensed agent in your area who can help you enroll by phone or in person.

If you are enrolling outside the general enrollment period or open enrollment period and do not have a may have access to life event, you cannot enroll in most plans by phone. In this case, your options are limited to waiting for the next open enrollment period or exploring whether you may have access to for a special enrollment period. Call Medicare at 1-800-633-4227 to discuss your situation.

Tips for a successful phone enrollment

Call during business hours (typically 8 a.m. to 8 p.m. Monday through Friday, and 8 a.m. to 4 p.m. Saturday and Sunday, Eastern time). Wait times are shortest in the early morning and on weekdays. If you have hearing loss, use the TTY number: 1-800-325-0778 for Social Security or ask the Medicare representative about relay services.

Write down the representative's name and the confirmation number they give you. Ask them to spell out your name and Social Security number to confirm they have it right. If you are unsure about anything they say, ask them to repeat it or explain it differently. There is no rush — take the time you need to understand your coverage before you hang up.

If you are confused about which parts of Medicare you need or which plan is best for you, ask the representative to walk you through your options. They cannot recommend a specific plan, but they can explain how each type of coverage works and what it costs. If you want more time to think, you can always call back during the enrollment period.

Frequently Asked Questions

Can I enroll in Medicare by phone if I am not yet 65?

Yes, if you have been receiving Social Security disability benefits for 24 months or have end-stage renal disease or ALS. Call Social Security at 1-800-772-1213 to enroll. If you are turning 65 soon and already on disability, Social Security will transition you to regular Medicare automatically, but you can call to confirm the details.

What if I call and the representative makes a mistake on my enrollment?

Call back within 14 days and ask to correct it. Have your confirmation number ready. If the mistake was the representative's error, Medicare will fix it retroactively. If you did not catch it until later, call anyway — Medicare may still correct it, especially if it affects your coverage or costs.

Can someone else enroll in Medicare on my behalf by phone?

Not usually. You must be on the call or have given written permission beforehand. If you are unable to call yourself due to illness or disability, ask a family member or caregiver to be present, and tell the representative you need them to help. Some situations may require a power of attorney or legal guardianship.

Do I have to pay anything during the phone enrollment call?

No. Enrollment itself is free. However, you will owe premiums for the coverage you choose, and those begin the month your coverage starts. The representative will tell you the premium amount before you enroll, so you know what to expect.

What if I do not have a phone or cannot make calls?

You can enroll online at Medicare.gov or visit your local Social Security office in person. If you need help accessing these options, call 1-800-633-4227 and ask about community resources or local information programs in your area.