What SSDI is and who can pursue it
SSDI (Social Security Disability Insurance) is a federal program that pays monthly benefits to people who have worked and paid Social Security taxes, but can no longer work because of a medical condition expected to last at least 12 months or result in death. You do not need to be poor to receive SSDI — it is based on your work history, not your income or assets.
The Social Security Administration (SSA) runs SSDI. To pursue it, you must have a condition that prevents you from doing substantial work — meaning earning more than a set monthly amount (which changes yearly). You also need enough work credits, which you earn by paying Social Security taxes. Most people need 40 credits total, with at least 20 earned in the 10 years before they became disabled.
SSDI is different from SSI (Supplemental Security Income), which is a needs-based program for people with low income and assets. This guide covers SSDI only. If you have never worked or have very few work credits, SSI may be the program to explore instead.
Key Takeaways
- You can start an SSDI claim online at ssa.gov, by phone at 1-800-772-1213, or in person at your local Social Security office — online is usually fastest.
- Have your Social Security number, birth certificate, medical records, and work history ready before you begin, because the SSA will ask for all of them.
- The SSA will ask detailed questions about your condition, your medical treatment, your work, and your daily activities — answer completely and honestly, because incomplete answers delay decisions.
- The initial decision usually arrives 3 to 6 months after you submit, but some cases take longer if the SSA needs more medical evidence.
- If the SSA denies your claim, you have the right to appeal, and most people who appeal with legal help or a representative win on reconsideration or at a hearing.
Starting your claim online, by phone, or in person
You have three ways to begin an SSDI claim. Online at ssa.gov is the fastest route if you have a computer and internet access. Go to ssa.gov/applyfordisability, create or log into your my Social Security account, and follow the form. You can save your progress and come back later. The online form takes 15 to 20 minutes if you have your documents ready.
If you prefer to speak to someone, call the SSA's national number: 1-800-772-1213, Monday through Friday, 7 a.m. to 7 p.m. your local time. Wait times are often long, especially early in the week. Have your information in front of you when you call. The representative will ask the same questions as the online form and file your claim over the phone.
You can also walk into your local Social Security office and ask to file for disability. Find your office at ssa.gov/locator. Bring all your documents with you. Office staff can file your claim in person, though you may need an appointment. Call ahead to ask whether you need one.
Whichever method you choose, the SSA will send you a confirmation letter within two weeks. Keep this letter — it shows your claim number and filing date. Your filing date matters because it determines when your benefits would start if you are approved.
Documents and information you will need to gather
Before you file, collect these documents so you can answer the SSA's questions completely:
- Your Social Security number and birth certificate (or a certified copy).
- Medical records from every doctor, hospital, or mental health provider who has treated you for your condition. This includes test results, imaging reports, therapy notes, and medication lists. The SSA will also request records directly from your providers, but having them yourself speeds the process.
- A list of all medications you currently take, including the dose and how often you take them.
- Names and dates of any surgeries or hospitalizations related to your condition.
- Your work history for the past 15 years: job titles, employers, dates you worked, and what you earned. W-2s or tax returns help, but a written list is acceptable.
- Proof of citizenship or legal residency: a U.S. passport, birth certificate, or green card.
You do not need to have all of this before you file. The SSA can request medical records on your behalf once your claim is open. However, having records ready means the SSA can make a decision faster — sometimes weeks faster.
What the SSA will ask you during the claim process
The SSA's process form (or phone interview) covers four main areas. First, it asks about your medical condition: what it is, when it started, which doctors treat you, and what medications you take. Be specific. Instead of "back pain," write "degenerative disc disease with nerve compression at L4-L5, diagnosed in 2019." The SSA uses this information to request your medical records.
Second, it asks about your work history: every job you have held in the past 15 years, what you did, how much you earned, and when you stopped working. The SSA uses this to calculate your work credits and to understand what kind of work you used to do.
Third, it asks about your daily activities: whether you can walk, stand, sit, lift, carry, see, hear, remember, concentrate, and get along with others. It also asks whether you leave your home, what you do during the day, and whether you care for anyone. These questions help the SSA understand how your condition limits you.
Fourth, it asks about your medical treatment: which doctors you see, how often, what treatments you have had, and whether you have had surgery. The SSA uses this to check whether you are following treatment and to understand the severity of your condition.
Answer every question, even if it seems repetitive or personal. Incomplete answers are one of the most common reasons the SSA asks for more information, which delays your decision. If you do not understand a question, ask the representative to explain it.
The timeline from filing to a decision
After you file, the SSA sends your claim to a state agency called Disability information Services (DDS). The DDS reviews your medical records and decides whether your condition meets the SSA's definition of disability. This process typically takes 3 to 6 months, though some cases take longer.
Here is what happens at each stage:
| Stage | What happens | Typical timing |
|---|---|---|
| Filing | You submit your claim online, by phone, or in person. The SSA sends you a confirmation letter with your claim number. | Same day or within 2 weeks |
| Medical review | DDS requests your medical records from your doctors and hospitals. You may be asked to see a doctor for a consultative exam paid by the SSA. | 1 to 3 months |
| Decision | DDS decides whether you meet the SSA's disability criteria. The SSA mails you a notice of decision. | 3 to 6 months total from filing |
| If approved | Your first payment arrives 1 to 2 months after approval. You also become may be able to access for Medicare after 24 months of receiving SSDI. | Varies |
| If denied | You receive a notice explaining why. You have 60 days to request reconsideration or appeal. | Varies |
During the medical review stage, the SSA may ask you to see a doctor for a consultative exam. This is a one-time appointment, paid by the SSA, to gather more information about your condition. You do not pay for it. If you are asked to attend, go — missing the appointment can result in a denial.
What happens if your claim is denied
About 65 to 70 percent of initial SSDI claims are denied. A denial does not mean you cannot receive SSDI — it means the SSA did not find enough medical evidence that your condition prevents you from working. You have the right to challenge the decision.
You have 60 days from the date on the denial letter to request reconsideration. This is a free second review by a different examiner at DDS. To request it, fill out form SSA-561 (available at ssa.gov) and mail it to the address on your denial letter, or ask your local Social Security office to file it for you.
When you request reconsideration, submit any new medical evidence you have gathered since your initial claim — new test results, updated doctor's notes, or letters from your providers describing how your condition has worsened. New evidence is the main reason reconsiderations succeed.
If reconsideration is also denied, you can request a hearing before an Administrative Law Judge (ALJ). This is a more formal process where you can present evidence and testify. Many people hire a disability representative or attorney for the hearing stage. Representatives are paid only if you win, and their fee is capped by federal law at 25 percent of your back pay (the money owed from your filing date to your approval date), up to $7,200.
When to consider hiring a representative
You do not need a representative to file for SSDI or to request reconsideration. However, if your claim is denied twice and you are moving toward a hearing, a representative can significantly improve your chances. Representatives know how to present medical evidence, what questions the judge will ask, and how to argue that your condition meets the SSA's criteria.
You can find representatives through the National Organization of Social Security Claimants' Representatives (NOSSCR) at nosscr.org, or through your state bar association's referral service. Many disability attorneys and representatives offer free consultations. Ask whether they have experience with your specific condition.
If you cannot afford a representative, some nonprofits offer free help. Search "disability representative near me" or contact your state's Protection and Advocacy agency, which provides free legal help to people with disabilities.
Frequently Asked Questions
Can I file for SSDI if I am still working?
Yes. Your filing date is based on when you submit your claim, not when you stop working. However, if you are earning more than the monthly substantial gainful activity limit (which changes yearly), the SSA may question whether you are actually disabled. If you are working part-time or earning very little, file anyway — the SSA will evaluate your condition, not just your income.
What if I do not have medical records from my doctors?
The SSA can request them for you once your claim is open. However, if your doctor's office is slow to respond, the SSA may order a consultative exam instead. You can speed things up by calling your doctor's office yourself and asking them to send records directly to the SSA. Include your claim number in the request.
How much will I receive if I am approved?
Your monthly benefit is based on your lifetime earnings record, not on your medical condition or how disabled you are. The average SSDI payment in 2024 is around $1,550 per month, but yours could be higher or lower depending on what you earned while working. The SSA will tell you the estimated amount before you are approved.
Can I work while receiving SSDI?
Yes, within limits. SSDI includes a work incentive called the Trial Work Period, which lets you work and earn any amount for 9 months without losing benefits. After that, you can continue working if your earnings stay below the substantial gainful activity limit. Report all work to the SSA — not reporting it can result in overpayment and a requirement to repay benefits.
What if I move to a different state during my claim?
Your claim stays with the same Disability information Services office. You do not need to refile or notify anyone unless the SSA asks. If you move, update your address with the SSA so you receive mail at your new location. You can update your address online at ssa.gov, by phone, or at your local office.