The initial enrollment period for Medicare Part B ends how many months after the 65th birthday month?

The correct answer is that the initial enrollment period for Medicare Part B ends three months after the month of the individual's 65th birthday. This enrollment period is crucial as it gives new beneficiaries the chance to sign up for coverage without facing penalties or gaps in healthcare.

Medicare Part B provides essential medical insurance, covering services like doctor visits and outpatient care. The initial enrollment period spans from three months before the 65th birthday month through three months after that birthday month, making a total of seven months when individuals can enroll.

This timing is designed to ensure that individuals can transition into Medicare smoothly once they reach the age of eligibility. Understanding this period is important because if someone delays enrollment beyond this timeframe, they may incur a late enrollment penalty, which can increase their monthly premium permanently.

Other options do not correctly represent the duration of the enrollment period, as one month would not provide sufficient time for enrollment, while six and twelve months extend beyond the established timeline. Hence, comprehending the three-month extension after the 65th birthday month is essential for effective planning regarding Medicare coverage.