CJ Karrer
Writer · Reviewed by Richard ChanUpdated Jun 12, 2026
3 min read
Under COBRA, eligible individuals can maintain their employer-sponsored health insurance for a limited time after a qualifying event, such as job loss or reduction in work hours.
Transitioning to Medicare from COBRA is a critical step, as failing to enroll in Medicare Part B during the Special Enrollment Period can result in lifelong late enrollment penalties.
COBRA coverage typically lasts 18 to 36 months, but Medicare beneficiaries should prioritize Medicare enrollment since COBRA does not count as creditable coverage for delaying Part B.
Losing your job is stressful enough on its own. Losing your health insurance along with it can feel like the ground disappearing beneath you — especially if you or a family member is in the middle of ongoing care. That's the gap that COBRA was designed to fill. Passed by Congress in 1985, the Consolidated Omnibus Budget Reconciliation Act gives eligible individuals a critical bridge: the ability to maintain their employer-sponsored group health coverage even after a qualifying life event disrupts their employment status.
COBRA is a federal law that provides a safety net for individuals who lose their group health insurance coverage due to specific qualifying events, such as termination of employment, reduction in work hours, divorce, or the death of the covered employee. It allows eligible individuals to continue their health insurance coverage for a defined period — typically up to 18 months — by paying the full premium cost. That cost can be substantial, since employees typically pay both the employee and employer shares of the premium, but the coverage continuity it provides is often invaluable.
One area where caution is especially warranted: if you're approaching Medicare eligibility and are relying on COBRA, be aware that COBRA does not count as creditable coverage for the purpose of delaying Medicare Part B enrollment. Choosing COBRA over Medicare when you first become eligible can result in a permanent Part B late enrollment penalty — a costly mistake that's easy to avoid with the right information. COBRA is a powerful lifeline, but understanding exactly how it interacts with Medicare is essential to protecting both your health coverage and your long-term financial picture.