Have you already reached full retirement age?
yes
you can choose to start receiving benefits before the month you apply but  we can not pay retroactive benefits for any month before you reached full retirement age or more than 6 months in the past
when is the best time to start reitirement benefits?
We 're not recommending that you start at age 62 , your full retirement age , age 70 , or any age in between
Can i have information for early or late retirement please
read  Retirement Information for Medicare Beneficiaries
Is there additional information for other things to consider?
read  to Consider and Other Things
Is there a benefit increase after 70