Simply visit the Medicare website, or call 1-800-MEDICARE 1-800-633-4227;  TTY 1-877-486-2048. Your State Health Insurance Counseling and Assistance Program SHIP also can help answer your Medicare questions.
I'll visit the website, alright. Is there anything I should know if you are still using my 2017 tax year data?
If you filed a return for tax year 2018 or did not need to file a tax return for tax year 2018, call us or visit any local Social Security office. We'll update our records.