How Medicaid enrollment works depends on your state and your situation

Medicaid enrollment happens through your state's Medicaid office or through a contracted vendor — not through a single national system. Most states let you start the process online, by mail, or in person at a local office. Some states use a single application form; others ask different questions depending on whether you're applying for yourself, your children, or your family. The speed of enrollment varies: some states process applications in two to three weeks, others take six to eight weeks or longer.

You do not need to wait for an open enrollment period like you do with private insurance. Medicaid accepts applications year-round. However, your coverage start date depends on when your application is approved and when your state's rules say coverage begins — usually the first of the month after approval, though some states backdate coverage to the date you applied.

Key Takeaways

  • Contact your state Medicaid office directly or use your state's online portal to start an application; the process and timeline vary by state.
  • You will need proof of income, citizenship or immigration status, and residency — bring recent pay stubs, tax returns, or a lease agreement.
  • Your state may determine you ineligible for Medicaid but may be able to access for a marketplace insurance plan with subsidies, and will refer you automatically.
  • If you are approved, your coverage usually starts the first of the month after approval, though some states cover you back to your application date.
  • You can enroll in Medicaid at any time of year; there is no waiting period or enrollment season.

Finding your state Medicaid office and starting an application

The fastest way to find your state's Medicaid office is to search "[your state] Medicaid" or visit your state's health department website. Most states now have an online portal where you can start an application without calling. If your state does not have an online option, you can mail a paper application or visit a local office in person.

Some states run Medicaid through their health department; others use a separate agency. A few states contract with private vendors to process applications. Calling 211 (a free referral line) will also connect you to your state's Medicaid office and tell you what documents to bring if you plan to apply in person.

When you start an application, you will be asked basic questions: your name, date of birth, address, income, household size, and whether anyone in your household is pregnant, disabled, or over 65. Some states ask about immigration status at this stage; others ask later. Answer honestly — Medicaid does not share immigration information with immigration enforcement agencies, and your status does not affect your children's may be able to access in most states.

Documents you will need to provide

Medicaid requires proof of three things: income, citizenship or immigration status, and residency in your state. You do not need to provide all documents at once — most states let you submit them after you apply, usually within 10 to 30 days.

What to proveDocuments that work
IncomeRecent pay stubs (last 30 days), tax returns from the past year, a letter from your employer, bank statements showing regular deposits, or a statement from your benefits program (Social Security, unemployment, child support).
Citizenship or immigration statusBirth certificate, passport, permanent resident card (green card), employment authorization document (EAD), or visa. If you are undocumented, some states still cover you under limited programs; ask your Medicaid office.
ResidencyLease agreement, utility bill, mortgage statement, or a letter from a shelter or social service agency stating you live there. The document must show your name and current address.

If you do not have a document, tell your Medicaid caseworker. Many states accept a signed statement from you instead, or will contact your employer or bank directly to verify information. Do not delay your application waiting for a perfect document.

Income limits and what counts as income

Medicaid income limits vary by state and by household size. Most states cover adults earning up to 138% of the federal poverty line, though some cover less. Your state's Medicaid office will tell you the exact limit when you apply. For 2024, 138% of the poverty line is roughly $1,800 per month for a single person and $3,700 for a family of four, but these numbers change yearly and differ by state.

Income includes wages, self-employment earnings, Social Security, unemployment benefits, child support, and regular gifts of money. It does not include food stamps (SNAP), housing vouchers, or one-time payments. If you are self-employed or have irregular income, Medicaid will average your income over the past three months or the past year, depending on your state's rules.

If your income is slightly above the limit, you may still be found ineligible for Medicaid but referred to a marketplace insurance plan where you can receive subsidies to lower your premium. Your state will make this referral automatically if you are not approved for Medicaid.

What happens after you submit your application

After you submit your application, your state Medicaid office will send you a notice by mail or email telling you whether you were approved, denied, or need to provide more information. This notice is called a "information" or "may be able to access notice." The timeline varies: some states send this within two weeks, others take six to eight weeks. You can call your Medicaid office to ask about the status of your application.

If you are asked to provide more documents, you usually have 10 to 30 days to submit them. If you miss the deadline, your application may be denied, but you can reapply. If you are denied, the notice will explain why and tell you how to request a hearing to challenge the decision.

If you are approved, your coverage usually starts on the first day of the month after your approval, though some states backdate coverage to the date you applied or the date you became ineligible for other coverage. Your state will send you a Medicaid card or a notice telling you how to access your coverage online. You can use your coverage immediately at any doctor, hospital, or pharmacy that takes Medicaid.

Special enrollment rules for pregnant people, children, and people with disabilities

Pregnant people and children often have higher income limits than adults. Many states cover pregnant people up to 200% of the poverty line and children up to 200% or higher. If you are pregnant, tell your Medicaid office — they may fast-track your application and backdate your coverage to the first day of the month you became pregnant.

Children born to a Medicaid-covered parent are usually covered automatically for the first year of life, even if the parent's income later increases. If you have a child, ask your Medicaid office about this rule in your state.

People who are blind, disabled, or over 65 may have different income and asset limits. Some states have separate programs for these groups. If you fall into one of these categories, mention it when you apply — your caseworker can tell you which program fits your situation.

What to do if you are denied or if your circumstances change

If your application is denied, the notice will explain the reason. Common reasons include income above the limit, not meeting residency requirements, or not providing proof of citizenship. You have the right to request a hearing to challenge the decision. The notice will tell you how to request one, usually within 30 days of receiving the denial.

If your circumstances change after you are approved — your income increases, you move, or someone joins your household — you must report the change to your Medicaid office. Some changes require you to reapply; others just update your case. Your state will tell you which changes to report and when.

If your income drops, you may become newly may be able to access for Medicaid or for a higher level of coverage. Report income changes as soon as you know about them so your coverage can be updated.

Frequently Asked Questions

Can I apply for Medicaid if I am undocumented?

It depends on your state. Some states cover undocumented immigrants under limited programs (usually emergency services or pregnancy-related care). Others do not. When you apply, your state will tell you what you are may be able to access for based on your immigration status. Medicaid does not report immigration status to immigration enforcement.

How long does it take to get approved for Medicaid?

Most states process applications within two to six weeks, though some take longer. If you are asked to provide more documents, the timeline resets after you submit them. You can call your Medicaid office to ask about your application status at any time.

Do I have to reapply for Medicaid every year?

Most states require you to renew your Medicaid coverage once a year. Your state will send you a renewal notice by mail or email. You will need to confirm your income and household information. If you do not respond by the deadline, your coverage may end, but you can reapply immediately.

What if I have a job but still think I might be may be able to access for Medicaid?

Many people with jobs are may be able to access for Medicaid because the income limits are based on household size and total household income, not just your income. Apply and let your state determine your may be able to access. If you are denied, you may be referred to a marketplace plan with subsidies instead.

Can my family members apply at the same time as me?

Yes. You can list all household members on one application. Each person will be evaluated separately based on their age, income, and other factors. Children often have higher income limits than adults, so some family members may be approved while others are not.