Medicare enrollment confuses more people than almost any other government program because it has four separate entry points that require different actions from different agencies. The Social Security Administration, not the Marketplace, processes your application for Part A (hospital insurance) and Part B (medical insurance): you sign up at SSA.gov, by phone at 1-800-772-1213, or at your local Social Security office. Medicare.gov itself does not process new enrollments; it hosts the official Plan Finder tool and general program information. Private insurance companies, licensed brokers, and the Medicare Plan Finder handle enrollment in Medicare Advantage (Part C), standalone Part D drug plans, and Medigap supplemental policies once you already have Parts A and B. And your state's free counseling service, called a State Health Insurance Assistance Program (SHIP), enrolls no one but helps you compare every option before you commit. Confusing these four channels costs real money in 2026: applying through the wrong portal, or not applying at all during your Initial Enrollment Period, triggers a permanent 10% per year Part B late-enrollment penalty and can leave you without coverage for months. This guide walks through exactly where to go for each piece of Medicare, in the order most people need them.
Seven decisive steps make up the full enrollment process below, starting with confirming your enrollment window and ending with saving proof that Social Security received your application. Along the way, check Medicare eligibility requirements if you are unsure whether you qualify at 65 or through disability, compare Medigap vs Medicare Advantage before you pick a plan type, and see whether you qualify for the Medicare Savings Program or Extra Help if your income is limited. Most enrollees in 2026 need only two of the four channels: SSA.gov (or the phone or office equivalent) for Parts A and B, and either a broker, an insurer's website, or the Medicare Plan Finder for Part C or D. Reserve your local Social Security office visit for complicated situations, like correcting your birth date on record, appealing a late-enrollment penalty, or applying for Medicare alongside Social Security Disability Insurance. Reserve your call to a SHIP counselor for anything involving comparing plans, since SHIP counselors are federally funded, unbiased, and cannot sell you anything, unlike a commission-based broker.
7 Steps to Get Coverage
Common Mistakes That Cost People Thousands
The costliest mix-ups people make about where to enroll in Medicare in 2026:
- Applying at Healthcare.gov instead of SSA.gov. Healthcare.gov processes ACA Marketplace plans only; it does not accept Medicare Part A or Part B applications.
- Assuming Medicare.gov enrolls you in a plan. Medicare.gov hosts the Plan Finder tool and general information, but you enroll in Medicare Advantage or Part D directly with the insurer, a broker, or by paper form.
- Skipping the employer-signed Form CMS-L564 when applying through a Special Enrollment Period. Social Security cannot process a late enrollment without proof your group coverage was active and when it ended.
- Calling a commission-based broker for basic questions about Parts A and B. Brokers sell Medicare Advantage, Part D, and Medigap plans; Social Security, not a broker, handles Original Medicare enrollment.
- Never contacting a SHIP counselor. Free, unbiased help exists in every state, and skipping it often means overpaying for a Medicare Advantage or Part D plan that does not fit your prescriptions or providers.
Where NOT to Enroll: The Healthcare.gov and Medicare.gov Confusion
Healthcare.gov processes ACA Marketplace applications only, and it has no role in Medicare enrollment whatsoever. If you are turning 65 while covered by a Marketplace plan, you generally need to actively cancel that Marketplace coverage once Medicare starts to avoid paying for both, and you handle that cancellation at Healthcare.gov while handling your actual Medicare sign-up at SSA.gov. Confusing the two portals is one of the most common enrollment mistakes reported to Social Security field offices in 2026.
Medicare.gov, despite its name, functions as an information hub and comparison tool rather than an enrollment portal for Parts A and B. Medicare.gov's Plan Finder lets you search and compare Medicare Advantage, Part D, and Medigap options by ZIP code and drug list, but clicking through takes you to the insurer's own enrollment page, a licensed broker, or a paper application. Original Medicare enrollment (Parts A and B) always routes back to the Social Security Administration at SSA.gov, by phone, or in person.
State Health Insurance Assistance Program (SHIP): Free Counseling By State
State Health Insurance Assistance Programs exist in every state and territory, funded by the federal Administration for Community Living, and every one offers free, unbiased, one-on-one Medicare counseling with no sales pitch attached. SHIP counselors help you compare Original Medicare plus Medigap against Medicare Advantage, check your specific drugs against a Part D formulary, and review whether you qualify for the Medicare Savings Program or Extra Help. The program goes by a different name in most states, so search by name rather than the generic term SHIP.
Selected State Health Insurance Assistance Program (SHIP) names, 2026| State | SHIP program name | Contact |
|---|
| California | HICAP (Health Insurance Counseling & Advocacy Program) | 1-800-434-0222 |
| New York | HIICAP (Health Insurance Information, Counseling and Assistance Program) | 1-800-701-0501 |
| Florida | SHINE (Serving Health Insurance Needs of Elders) | 1-800-963-5337 |
| Wisconsin | SHIP, delivered through Elder Benefit Specialists (Medigap Helpline) | 1-800-242-1060 |
| Ohio | OSHIIP (Ohio Senior Health Insurance Information Program) | 1-800-686-1578 |
| Michigan | MMAP (Michigan Medicare/Medicaid Assistance Program) | 1-800-803-7174 |
| Kansas | SHICK (Senior Health Insurance Counseling for Kansas) | 1-800-860-5260 |
Every state runs a SHIP under a different name; use shiphelp.org or call the Social Security hotline to find yours if it is not listed here.
Source: Administration for Community Living, CMS SHIP directory, state SHIP program websites
The Documents You Need Before You Call or Log In
Every document on this page's checklist serves a specific purpose in speeding up your 2026 Medicare application. Your Social Security number and proof of age or citizenship confirm your identity and basic eligibility. Form CMS-L564, signed by your employer, is the only way Social Security can verify your group coverage was real and active, which is mandatory to avoid the Part B late-enrollment penalty if you are enrolling through a Special Enrollment Period. Your bank information is only needed if you prefer to pay your Part B premium by direct debit instead of having it deducted from your Social Security check. Bringing a list of your current medications and doctors to a SHIP appointment, while not a document Social Security needs, is the single step that saves the most money when choosing among Medicare Advantage, Medigap, and Part D plans.
Frequently Asked Questions
Where do I actually go to sign up for Medicare in 2026?
Sign up for Medicare Part A and Part B directly through the Social Security Administration, not through an insurance website or Healthcare.gov. Apply online at ssa.gov/medicare/sign-up in about 10 minutes, call 1-800-772-1213 (TTY 1-800-325-0778), or visit your local Social Security office by appointment. Once you have Parts A and B, you enroll in a separate Medicare Advantage or Part D plan directly with a private insurer, a licensed broker, or through the Medicare Plan Finder at medicare.gov. Your state's free SHIP counseling service can help you decide between those plan options before you commit.
Can I enroll in Medicare at Healthcare.gov?
No. Healthcare.gov only processes ACA Marketplace plan applications; it has no connection to Medicare enrollment. If you are turning 65 while you have a Marketplace plan, you handle your Medicare sign-up at SSA.gov and separately cancel your Marketplace coverage at Healthcare.gov once Medicare starts, to avoid paying premiums for both plans in 2026. Confusing the two websites delays enrollment for thousands of new Medicare beneficiaries every year.
What is a SHIP, and is it really free?
A State Health Insurance Assistance Program (SHIP) is a federally funded, state-run counseling service that helps Medicare beneficiaries compare plans at no cost and with no sales pitch. Every state has one, though the name varies: California calls it HICAP, New York calls it HIICAP, Florida calls it SHINE, and other states use SHIP directly or another local name. SHIP counselors cannot sell you insurance or earn a commission, which makes their advice more neutral than a broker's when comparing Medicare Advantage, Medigap, and Part D plans in 2026.
Can I enroll in Medicare online, and how long does it take?
Yes. Most people complete the online Part A and Part B application at ssa.gov/medicare/sign-up in about 10 minutes if they already have a my Social Security account set up. You will need your Social Security number, and, if applying through a Special Enrollment Period after employer coverage ends, your employer's completed Form CMS-L564. Processing typically takes a few weeks, and your Medicare card arrives by mail once Social Security approves the application.
Do I need an appointment at the Social Security office to enroll in Medicare?
Yes, in most areas you need to schedule an appointment in advance by calling 1-800-772-1213 rather than walking in. In-person visits work best for complicated situations, such as correcting a birth date on record, applying for Medicare together with Social Security Disability Insurance, or resolving a dispute about your work history and Part A eligibility. Simple enrollments are almost always faster online at ssa.gov.
Can an insurance agent or broker enroll me in Medicare?
A licensed insurance agent or broker can enroll you in a Medicare Advantage plan, a standalone Part D drug plan, or a Medigap policy, but brokers cannot enroll you in Original Medicare Part A or Part B; only the Social Security Administration handles that. Brokers earn a commission from the insurer, so it is worth also calling your state's free SHIP counselor for an unbiased comparison before choosing a Medicare Advantage or Part D plan through a broker in 2026.
What if I need Medicare enrollment help in a language other than English?
Social Security offers interpreter services at no cost by phone at 1-800-772-1213 and at local field offices; simply tell the representative which language you need. Medicare.gov's Plan Finder and many SHIP programs also offer materials and counseling in Spanish and other languages, and some states' SHIP programs, including California's HICAP, provide bilingual counselors directly.
What happens if I apply through the wrong channel or make a mistake on my Medicare application?
Applying at the wrong website, such as Healthcare.gov instead of SSA.gov, simply does not register as a Medicare application, so nothing happens until you apply correctly at Social Security. If you make a mistake on an SSA.gov or paper application, such as missing the employer-signed Form CMS-L564 for a Special Enrollment Period, Social Security will typically contact you to request the missing information rather than deny the application outright, but this can delay your Part A and Part B start date.
