“CMS defines Creditable Prescription Drug Coverage as prescription drug coverage (for example, from an employer or union) that’s expected to pay, on average, at least as much as Medicare’s standard prescription drug coverage. People who have this kind of coverage when they become eligible for Medicare can generally keep that coverage without paying a penalty, if they decide to enroll in Medicare prescription drug coverage later.” – www.medicare.gov

“…is prescription drug coverage that is equal or better than Medicare.”