Medicare’s Annual Enrollment Period (AEP) is approaching, but this year agents have more than the usual plan updates to prepare for.

On August 25, 2026, the Centers for Medicare & Medicaid Services (CMS) released updated Medicare Advantage and Part D Enrollment and Disenrollment Guidance for contract year 2027. The guidance includes several changes and clarifications that could affect how agents assist Medicare beneficiaries with enrollment decisions.

For agents preparing for the 2027 Medicare enrollment season, understanding these updates now can help prevent confusion and support smoother client conversations during AEP and throughout the year.

The updated CMS guidance covers Medicare Advantage (MA) and Medicare Part D enrollment and disenrollment and applies to enrollments with effective dates on or after January 1, 2027.

Among the updates most relevant to agents are changes and clarifications involving:

• Special Enrollment Periods (SEPs)
• Initial Coverage Election Period (ICEP) rules
• Enrollment capacity limits
• Paper enrollment forms
• Passive enrollment
• Medicare eligibility requirements

Special Enrollment Periods allow eligible Medicare beneficiaries to make certain coverage changes outside of the standard enrollment periods. For 2027, CMS updated its guidance surrounding several SEPs, including those that require prior CMS approval. The changes reflect policies codified in the Contract Year 2027 Medicare Advantage and Part D final rule.

CMS also corrected the eligibility window for the SEP available when a plan or contract is terminated or modified by mutual consent. For agents, this is an important reminder that SEP eligibility should never be assumed based on how a similar client situation was handled previously. When a beneficiary experiences a qualifying event, agents should confirm the current CMS requirements, applicable election period and effective date before submitting an enrollment.

CMS made additional clarifying edits regarding the Initial Coverage Election Period, or ICEP, after receiving questions about how the enrollment window applies.

The ICEP is the period during which an individual who is newly eligible for Medicare Advantage can enroll in an MA plan. Because the timing of an individual’s Medicare Part A and Part B eligibility can affect this window, determining the correct election period is an important part of helping clients avoid enrollment issues.

CMS also corrected an example involving the Initial Enrollment Period timeline. The takeaway for agents: pay close attention to Medicare eligibility dates when working with beneficiaries who are new to Medicare rather than relying solely on a standard enrollment timeline.

CMS also revised its discussion of enrollment capacity limits for Medicare Advantage and Part D plans.

Enrollment capacity can affect whether a plan is able to accept additional members. While this is primarily an operational requirement for Medicare organizations and plan sponsors, agents should be aware that plan availability isn’t always as simple as whether a product appears to be offered in a beneficiary’s service area.

Confirming current plan availability before completing an enrollment can help avoid unnecessary complications for both agents and clients.

Digital enrollment has become an important part of the Medicare sales process, but CMS’s 2027 guidance reinforces the continued role of paper enrollment. CMS added information addressing the required availability of paper enrollment forms under Medicare marketing requirements.

For agents, this means maintaining flexibility in how clients complete their enrollment. Some beneficiaries may prefer paper, have limited internet access or simply be more comfortable completing a physical application. Being prepared to accommodate different enrollment preferences can make the process easier for clients while helping agents remain aligned with CMS requirements.

CMS also revised its definition of a “lawfully present individual” in the enrollment guidance. The update reflects Section 1899C of the Social Security Act, which limits Medicare coverage to U.S. citizens or nationals and certain categories of eligible noncitizens, including lawful permanent residents, Cuban and Haitian entrants, and residents covered under the Compacts of Free Association.

CMS has indicated that additional guidance will be provided. Agents working with clients whose Medicare eligibility may be affected by these requirements should watch for further CMS clarification rather than making assumptions about eligibility.

CMS also revised its passive enrollment requirements based on continued access to integrated care. Passive enrollment generally involves moving certain beneficiaries into another plan without requiring them to complete a standard enrollment request, subject to CMS requirements and beneficiary protections.

Although this process will not affect every agent or client, agents serving Medicare-Medicaid populations or beneficiaries receiving integrated care should be particularly aware of these changes.

The 2027 updates don’t require agents to completely rethink the Medicare enrollment process. They do, however, reinforce the importance of checking current requirements rather than relying on last year’s rules.

Before and during the upcoming enrollment season, agents should:

• Review the updated CMS Medicare Advantage and Part D Enrollment and Disenrollment Guidance.
• Familiarize themselves with changes to SEP requirements and election periods.
• Verify a client’s eligibility and applicable enrollment period before submitting an application.
• Be prepared to offer appropriate enrollment methods, including paper forms when necessary.
• Watch for additional CMS guidance regarding Medicare eligibility requirements.
• Follow carrier-specific enrollment instructions and updates as 2027 plan information becomes available.

AEP is already one of the busiest times of year for Medicare agents. Learning about regulatory and enrollment changes before client appointments begin can help reduce surprises once the season is underway. CMS’s latest guidance gives agents an opportunity to review what’s changing, update their processes and prepare for questions from beneficiaries before 2027 coverage decisions begin.

For independent agents, staying informed isn’t simply about keeping up with Medicare rules. It’s part of providing clients with accurate guidance as they navigate increasingly complex coverage decisions.

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