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Medicare Part D Enrollment Periods

Table of Contents

To enroll, switch, or drop a Medicare Part D Prescription Drug plan, you must do so during a valid enrollment period. Since Medicare drug coverage has very limited enrollment windows, it’s essential to understand each enrollment period and what changes you can make during those times.

Below, you’ll find the three enrollment periods for Medicare Part D Prescription Drug coverage. You must be within one of the three enrollment periods below to enroll in or make changes to your Medicare drug coverage. Though Medicare Part D has multiple enrollment periods, it’s important to remember that enrolling in drug coverage for the first time outside of your Medicare Part D Initial Enrollment Period without creditable coverage in place can result in a penalty.

Initial Enrollment Period for Medicare Part D

The Initial Enrollment Period is your first chance to enroll in Medicare prescription drug coverage. If you choose to delay enrolling in Part D, and don’t have other creditable coverage in place, you may face a late enrollment penalty when you decide to enroll in Medicare Part D coverage.

Annual Enrollment Period for Medicare Part D

The Annual Enrollment Period for Medicare Part D is your yearly opportunity to enroll in or change your Part D coverage. This enrollment period occurs during the same time every year, October 15- December 7.

Special Enrollment Periods for Medicare Drug Coverage

You can sign up for Medicare Part D during a Special Enrollment Period if you qualify. To get a Special Enrollment Period, you must have gone through a qualifying life-changing event. 

Allison Auvil

Allison Auvil

Content Strategist
Allison Auvil is a Content Strategist at Elite Insurance Partners. With a bachelor’s degree in visual arts, Allison brings a creative perspective to her writing. She has been involved in content writing and editing for the past five years. The combination of an extensive Medicare101 training program and daily thorough research has made Allison a Medicare Guru. A detail-oriented writer, Allison is focused on writing pieces that are accurate, informative, and easy to read. She begins her writing process with meticulous research and note taking. Once her data is compiled, Allison enjoys the challenge of taking complex data and information and creating articles that are easy to understand.
Ashlee Zareczny

Ashlee Zareczny

Compliance Supervisor and Licensed Medicare Agent
Ashlee Zareczny is the Compliance Supervisor for ApplyforMedicare. As a licensed Medicare agent in all 50 states, she is dedicated to educating those eligible for Medicare by providing the necessary resources and tools. Additionally, Ashlee trains new and tenured Medicare agents on CMS compliance guidelines. Ashlee is a Medicare expert who specializes in Medicare Supplement, Medicare Advantage, and Medicare Part D education.
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