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Employers Medicare Part D creditable coverage requirements

The Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA) requires groups that currently provide prescription drug coverage to Medicare beneficiaries to disclose whether their coverage is creditable prescription drug coverage.

The deadline for the annual determination is October 15, 2025.

What's required

Beginning January 1, 2006, Medicare beneficiaries gained access to subsidized prescription drug coverage through the newly established Medicare Part D program.

This mandate applies to all organizations offering such coverage, whether primary or secondary to Medicare, and ensures that beneficiaries are informed about how their existing plan compares to the standard Medicare Part D benefit.

Resources

Please review the Centers for Medicare & Medicaid Services (CMS) page on creditable coverage guidance to learn more⁠⁠.

Learn More About Creditable Coverage
How we share this information
Fewer than 50 market

Blue Cross NC mails group analysis notices around October 1 to all groups in the small group (1–50) market.

All groups

Blue Cross NC shares group analysis notices annually, around October 1, with all groups (including groups of 51+) along with group account management staff, employers (via Employer News on our Employer Services portal), and agents (via Agent News on our Agent Services portal). 

Employee members

Employer groups must communicate their creditable or non-creditable status to their members.

Existing coverage

Beneficiaries who currently receive prescription drug coverage through an employer, union, or other source may opt to retain their existing plan.

If the existing coverage is deemed creditable – meaning it is at least equivalent in value to the Medicare Part D benefit – individuals may:

Continue receiving their current level of care.

Avoid late enrollment penalties should they decide to enroll in Medicare Part D in the future.

This provision ensures that beneficiaries with high-quality existing coverage are not disadvantaged and can make informed decisions about their prescription drug benefits.

Guidelines

Beneficiaries are encouraged to enroll during the initial open enrollment period to avoid late enrollment penalties.

Individuals who delay enrollment beyond their first eligible period may be subject to higher premiums if they choose to enroll at a later date.

Recommended actions for members

There are some actions Medicare beneficiaries should take to ensure they have the best available plan and benefits at the lowest cost.

Review

Review their drug coverage to determine if it qualifies as creditable coverage.

Compare

Compare available Medicare Part D plans to find one that meets their needs.

Enroll

Enroll early to maximize benefits and avoid unnecessary costs.

Employer responsibilities
Determine and attest

Employers must determine and attest whether their group’s plan is creditable. (Employers should consult legal counsel regarding their obligation under MMA.) 

Alert your members

Sending creditable / non-creditable coverage notices to their Part D-eligible members.

Request a sample

For a sample of the group creditable coverage letter and appendix for 2025 and 2026, you can contact your Blue Cross NC representative reach out to our employer services team.

Contact employer services
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