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Should You Get Medicare Part B? - Medicare and You Handbook - A Guide to Medicare


Should You Get Medicare Part B?

The following information can help you decide if you want to sign up for Medicare Part B. Click on your situation below:



I have Employer or Union Coverage

If you or your spouse (or family member if you’re disabled) is still working and you have health coverage through that employer (including the Federal Employee Health Benefits Program) or union, contact your employer or union benefits administrator to find out how your coverage works with Medicare. It may be to your advantage to delay Part B enrollment.

You can sign up for Part B any time you have current employer health coverage. COBRA and retiree health coverage don’t count as current employer coverage.

Once the employment ends, three things happen:


1. You have 8 months to sign up for Part B without a penalty. This period will run whether or not you choose COBRA. If you choose COBRA, don’t wait until your COBRA ends to enroll in Part B. If you don’t enroll in Part B during the 8 months, you may have to pay a late enrollment penalty. You won’t be able to enroll until the next General Enrollment Period and you will have to wait before your coverage begins. See When Can You Sign Up for Medicare Part A and Part B?

2. You may be able to get COBRA coverage, which continues your health insurance through the employer’s plan (in most cases for only 18 months) and probably at a higher cost to you.
  • If you already have COBRA coverage when you enroll in Medicare, your COBRA will probably end.
  • If you become eligible for COBRA coverage after you’re already enrolled in Medicare, you must be allowed to take the COBRA coverage. It will always be secondary to Medicare.

3. When you sign up for Part B, your Medigap Open Enrollment Period begins. See Medicare Supplement Insurance (Medigap)





I have TRICARE

If you have Part A and TRICARE (insurance for active-duty military or retirees and their families), you must have Part B to keep your TRICARE coverage. However, if ou’re an active-duty service member, or the spouse or dependent child of an active-duty service member, the following applies to you:
  • You don’t have to enroll in Part B to keep your TRICARE coverage while the service member is on active duty.
  • Before the active-duty service member retires, you must enroll in Part B to keep TRICARE without a break in coverage.
  • You can get Part B during a special enrollment period if you have Medicare because you’re 65 or older, or you’re disabled.
  • You don’t need to re-enroll in TRICARE each year. Your coverage will continue as long as you have Part B.




(Primary Source: Centers for Medicare and Medicaid Services - Medicare and You Handbook. This content may have been enhanced by this site to include further examples, explanations, and links.)