have you enrolled in medicare?
no
can I apply online for medicare?
are you at least 64 years and nine months?
are there other enrollment options?
You can also apply  By phone - Call us at 1 - 800 - 772 - 1213 from 7 a.m. to 7 p.m. Monday through Friday
I am not currently getting social security retirement can I still apply?
yes
Who can apply for Medicare online?