For each month after, enrollment is delayed. I am 65 years old. There is always a premium payment for the Medicare Part B premium. It is usually paid by the individual either through deductions from Social Security checks or direct billing. However, if your income and resources are low enough, the state you reside in may pay Medicare premiums.
Most people pay the same premium amount.
Some beneficiaries pay premium surcharges because of delayed enrollment into Medicare. The best time to call is Tuesday through Friday between 7 a.m. and 7 p.m. when you can speak to a service representative, if necessary. Make sure you have your Medicare number handy. It is a Social Security number with a letter after it. I'm age 65 and ready to retire.