Pulmonary function testing has come into widespread use since the 1970s. This has been facilitated by several developments. Because of miniaturization and advances in computer technology, microprocessor devices have become portable and automated with fewer moving parts.
You will pay Part B premiums as long as you keep the card. Those who are not automatically enrolled in Part B can sign up during their initial Medicare enrollment period which begins three months before their 65th birthday and ends three months after the 65th birthday.
How to Apply for Part B. The only time you can apply for Medicare Part B online is if you enroll in both Part A and B at the same time. Otherwise, fill out and drop off or send Form CMS-40B to your local Social Security office through the mail. The Social Security Administration website has an online office locator if you need help finding an office in your area.