1. Online
Anytime you can avoid a trip to your local Social Security office – do it! Go to this website to complete your application: https://www.ssa.gov/benefits/medicare/
Social Security will want you to have a “My Social Security” account, so you can either follow the steps on the previous link or create a profile before beginning at this website: https://secure.ssa.gov/RIL/SiView.action
Finally, here is a visual document detailing the step by step online process: https://www.ssa.gov/pubs/EN-05-10531.pdf
2. Over The Phone
Call Social Security at 1-800-772-1213 from 7 am to 7 pm Monday through Friday. If you are deaf or hard of hearing, you can call Social Security TTY 1-800-325-0778.
3. In-Person
Go this website to search for the closest Social Security office to your home: https://secure.ssa.gov/ICON/main.jsp Calling first to make an appointment often helps you save time. After following the link and entering your zip code you will see the phone number.