What's the difference between open enrollment and annual enrollment?

Asked by: Afton Reynolds  |  Last update: June 12, 2025
Score: 5/5 (65 votes)

Medicare Annual Enrollment is when anyone who has Medicare can make coverage changes for the upcoming year, while Medicare Advantage Open Enrollment is only for people who are currently enrolled in a Medicare Advantage plan. Another difference between the two is the timing.

What is the difference between open enrollment and annual enrollment?

The Open Enrollment Period (OEP) is January 1-March 31 every year. This is your only opportunity outside of the Annual Enrollment Period (Oct. 15-Dec. 7) to switch Medicare Advantage plans.

What is the difference between aep and oep?

Eligibility: All Medicare beneficiaries can participate in AEP, whereas OEP is specifically for individuals already enrolled in a Medicare Advantage plan.

What is the point of open enrollment?

Open enrollment is an annual period when your employees can elect or make changes to their benefit plans, such as health, dental, vision, pet, or life insurance. Employees may also enroll or change retirement, short-term disability, or long-term disability benefits.

What can you do during an annual enrollment period?

Annual Enrollment Period

You can switch from a Medicare Advantage plan with drug coverage to one without — or vice versa. You can join or drop a Medicare prescription drug plan. You can also update your coverage by switching to a new plan from your current insurer or switching to a new insurer.

Difference Between Medicare Open Enrollment and Medicare Annual Enrollment

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What is benefits annual enrollment?

If you get benefits from an employer, chances are you're familiar with your annual benefits enrollment period (sometimes referred to generally as “open enrollment”) which is your opportunity to review and potentially change your benefits for the upcoming year.

Who is eligible for open enrollment?

If you get health insurance through your job, through Medicare, or through the Affordable Care Act (ACA) marketplace, you will have an open enrollment period.

Can I buy health insurance and use it immediately?

Many, but not all, short term health insurance plans can take effect the day after your application is received.

What is the difference between passive enrollment and open enrollment?

Employees won't be able to update their selections after the open enrollment period has passed, but they'll have something—far better than nothing. It saves time. For employees, passive enrollment means they need only update the benefits they want to change rather than spend time re-enrolling in everything.

Can you change your mind during Medicare open enrollment?

Important: If you buy a Medigap policy during your 6-month Medigap Open Enrollment Period and decide you don't like the policy during this period, you can switch to a different Medigap policy. When you get your new Medigap policy, you have 30 days to decide if you want to keep it (called a 30-day free look period).

What is the difference between AEP and OEP in insurance?

What is the difference between AEP and OEP? The biggest difference between AEP and OEP is that AEP offers more options and flexibility than the Medicare Advantage Open Enrollment Period. For example, during the MA OEP, you can join a Part D plan ONLY IF you are dropping an MA plan and returning to Original Medicare.

How many times can you switch plans during OEP?

Unlike Fall Open Enrollment, you can only make a single change during the MA OEP. * If you have a Medicare Advantage Plan and a separate Part D plan, you can switch to a Medicare Advantage Plan that does not include drug coverage or Original Medicare, but you cannot change Part D plans.

Who is eligible for OEP?

The Medicare Advantage OEP (MA OEP) allows current Medicare Advantage members to adjust their coverage. People who are enrolled in Original Medicare (Parts A and B) only are not eligible to participate.

What are the types of enrollment?

Include: Certificate-Seeking: A student who is enrolled in a credit or non-credit certificate program at the University. Degree-Seeking: A student enrolled in any undergraduate or graduate degree-granting program at the University.

What are open enrollment classes?

Open enrollment refers to the administrative practice of allowing learners to self-register for inclusion in classes based on their individual needs or preferences, with little to no regard for prerequisites or needs of the business.

How soon after getting insurance can you use it?

Usually, this waiting period is a minimum of 30 days.

What pre-existing conditions are not covered?

Is there health insurance for pre-existing conditions? Choosing a health plan is no longer based on the concept of a pre-existing condition. A health insurer cannot deny you coverage or raise rates for plans if you have a medical condition at the time of enrollment.

Can open enrollment be denied?

No school can reject an application except for lack of space in the requested grade level, desegregation plan requirements, or expulsion record. Provisions are made for transportation within the nonresident district and, under some circumstances, within the resident district.

Who determines when open enrollment is?

If you are insured through your employer, your employer decides when you can enroll in their coverage or make changes to a current plan. Most employers hold open enrollment in the fall, and coverage is often from Jan. 1 through Dec. 31.

Is annual enrollment the same as open enrollment?

In the United States, annual enrollment (also known as open enrollment or open season) is a period of time, usually but not always occurring once per year, when employees of companies and organizations, including the government, may make changes to their elected employee benefit options, such as health insurance.

Why is open enrollment important?

In short, open enrollment serves as an important compliance, communication, administrative, and cost management tool for employers. By taking advantage of this opportunity, employers can ensure their benefit programs remain manageable and in compliance with applicable laws.

How long is open enrollment required to be?

Open enrollment is not required to be a certain length of time. Most employers have an open enrollment period of at least two to four weeks. Need help defining health benefit terms to employees?