Determine whether you are applying for Social Security Disability Insurance (SSDI), Supplemental Security Income (SSI), or California State Disability Insurance (SDI)
Gather required documents, including:
Social Security number
Birth certificate or proof of age
Medical records
List of doctors, clinics, and hospitals
Medication list
Work history
Proof of income and resources if applying for SSI
Apply for SSDI or SSI online at the Social Security Administration website
Apply by phone with the Social Security Administration
Apply in person at a local Social Security office
Apply for California SDI through the California Employment Development Department
Complete all required application forms accurately
Submit any requested medical release forms
Follow up on requests for additional information
Attend any scheduled medical exams or interviews
Check application status regularly
Appeal a denial if your claim is rejected within the deadline