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Medicare Part D Notices are Due Before Oct. 15, 2021

Each year, Medicare Part D requires group health plan sponsors to disclose to individuals who are eligible for Medicare Part D and to the Centers for Medicare and Medicaid Services (CMS) whether the health plan’s prescription drug coverage is creditable.

Plan sponsors must provide the annual disclosure notice to Medicare-eligible individuals before Oct. 15, 2021—the start date of the annual enrollment period for Medicare Part D. CMS has provided model disclosure notices for employers to use.

This notice is important because Medicare beneficiaries who are not covered by creditable prescription drug coverage and do not enroll in Medicare Part D when first eligible will likely pay higher premiums if they enroll at a later date. Although there are no specific penalties associated with this notice requirement, failing to provide the notice may be detrimental to employees.

Creditable Coverage

A group health plan’s prescription drug coverage is considered creditable if its actuarial value equals or exceeds the actuarial value of standard Medicare Part D prescription drug coverage. In general, this actuarial determination measures whether the expected amount of paid claims under the group health plan’s prescription drug coverage is at least as much as the expected amount of paid claims under the Medicare Part D prescription drug benefit. For plans that have multiple benefit options (for example, PPO, HDHP and HMO), the creditable coverage test must be applied separately for each benefit option.


Employers whose health care plans include prescription drugs must notify Medicare-eligible individuals before Oct. 15 of each year whether the drug coverage is creditable.


Model Notices

CMS has provided two model notices for employers to use:

These model notices are also available in Spanish on CMS’ website.

Employers are not required to use the model notices from CMS. However, if the model language is not used, a plan sponsor’s notices must include certain information, including a disclosure about whether the plan’s coverage is creditable and explanations of the meaning of creditable coverage and why creditable coverage is important.

Notice Recipients

The creditable coverage disclosure notice must be provided to Medicare Part D-eligible individuals who are covered by, or who apply for, the health plan’s prescription drug coverage. An individual is eligible for Medicare Part D if he or she:

  • Is entitled to Medicare Part A or is enrolled in Medicare Part B; and
  • Lives in the service area of a Medicare Part D plan.

In general, an individual becomes entitled to Medicare Part A when he or she actually has Part A coverage, and not simply when he or she is first eligible. Medicare Part D-eligible individuals may include active employees, disabled employees, COBRA participants and retirees, as well as their covered spouses and dependents. 

As a practical matter, group health plan sponsors often provide the creditable coverage disclosure notices to all plan participants.

Timing of Notices

At a minimum, creditable coverage disclosure notices must be provided at the following times:

If the creditable coverage disclosure notice is provided to all plan participants annually before Oct. 15 of each year, items (1) and (2) above will be satisfied. “Prior to,” as used above, means the individual must have been provided with the notice within the past 12 months. In addition to providing the notice each year before Oct. 15, plan sponsors should consider including the notice in plan enrollment materials for new hires.

Method of Delivering Notices

Plan sponsors have flexibility in how they must provide their creditable coverage disclosure notices. The disclosure notices can be provided separately, or if certain conditions are met, they can be provided with other plan participant materials, like annual open enrollment materials. The notices can also be sent electronically in some instances.

As a general rule, a single disclosure notice may be provided to the covered Medicare beneficiary and all of his or her Medicare Part D-eligible dependents covered under the same plan. However, if it is known that any spouse or dependent who is eligible for Medicare Part D lives at a different address than where the participant materials were mailed, a separate notice must be provided to the Medicare-eligible spouse or dependent residing at a different address.

Electronic Delivery

Creditable coverage disclosure notices may be sent electronically under certain circumstances. CMS has issued guidance indicating that health plan sponsors may use the electronic disclosure standards under Department of Labor (DOL) regulations in order to send the creditable coverage disclosure notices electronically. According to CMS, these regulations allow a plan sponsor to provide a creditable coverage disclosure notice electronically to plan participants who have the ability to access electronic documents at their regular place of work, if they have access to the sponsor's electronic information system on a daily basis as part of their work duties.


Download the full advisor to continue reading about:

  • Electronic Delivery of Notices Guidance
  • DOL’s Regulations for Electronic Delivery
  • Disclosure to CMS