COBRA is NOT creditable coverage. If you're Medicare-eligible and have COBRA, you should enroll in Part B. COBRA extends group benefits for a set period of time – up to 18 months.
Does COBRA count as creditable coverage for Part D?
If you take COBRA and it does provide creditable coverage, then yes, you may be able to delay Part D without penalty. In this case, you will have 63 days after losing COBRA coverage to enroll in Part D without penalty.
Does COBRA count as health insurance?
The Consolidated Omnibus Budget Reconciliation Act (COBRA) is a health insurance program that allows eligible employees and their dependents the continued benefits of health insurance coverage when an employee loses their job or experiences a reduction of work hours.