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Getting Started
Medicare offers several different enrollment periods. Some allow you to sign up for Original Medicare (Parts A and/or B), while others let you join, change, or drop a Medicare Advantage plan (Part C) or Medicare prescription drug plan (Part D) at specific times of the year. Below is an overview of a few key enrollment periods.
Initial Enrollment
The first opportunity you have to enroll in Medicare is called the “Medicare Initial Enrollment Period,” or IEP.
This is a seven-month window of time that begins:
During this time, you can enroll in Original Medicare (Parts A and Part B), Medicare Advantage (Part C) or a Medicare drug plan (Part D). If you do not enroll in Medicare Part A, B, or D when first eligible, you may be subject to late enrollment penalties that can result in higher monthly premiums.
Important Note: The General Enrollment Period is not a safety net for missing your Initial Enrollment Period. You will be charged a late penalty, and your coverage won’t begin until July 1.
General Enrollment
If you missed your initial enrollment period, then the next opportunity you have to enroll in Medicare is call the “General Enrollment Period,” or GEP. This three-month window from January 1st – March 31st.
During this time, you can enroll in Original Medicare (Parts A and Part B), Medicare Advantage (Part C) (with or without drug coverage) or a Medicare drug plan (Part D).
Annual Enrollment
The “Annual Enrollment Period” or AEP is the period of time in which Medicare beneficiaries can make changes to their healthcare coverage. This enrollment period happens each year from October 15th – December 7th.
During the annual enrollment period, you can:
Changes made during the Medicare Annual Enrollment Period will take effect in January of the following year.
Special Enrollment
During the Medicare Advantage Open Enrollment Period” or OEP, beneficiaries enrolled in Medicare Advantage and not happy with their plan have a one-time opportunity to switch their plan during the Medicare Advantage Open Enrollment Period (OEP) which runs from January 1st – March 31st.
Special Enrollment
Under certain special circumstances, Medicare-eligible individuals may qualify for a “Special Enrollment Period” or SEP outside of their initial enrollment period. During a special enrollment, you can enroll in and make changes to your Medicare coverage without penalty as long as you have a qualifying life event.
Common qualifying life events include:
Medicare FAQ's
You are eligible to apply for Medicare during your initial enrollment period which is a 7 month window. 3 months before turning 65, the month you turn 65 and 3 months after turning 65.
The easiest way to sign up for Medicare is online through SSA.gov or by Calling Social Security at 1-800-772-1213. You can also visit your local Social Security Office.
If you are already receiving Social Security Benefits you will be automatically enrolled into Original Medicare, otherwise you will be eligible to enroll during your initial enrollment period that starts 3 months before your 65th birthday.
If you miss your Initial Enrollment Period you can sign up during the General Enrollment period that occurs every year January 1st through March 31st. Coverage becomes effective the month following your enrollment date.
Yes, there are penalties for not signing up for Part B of Medicare and will be added to your premium.
If you need a new Medicare card you can order a replacement card by phone at 1-800-772-1213, or online at the Social Security Administration web site. Make sure you have your Medicare number ready when you call.
Guidepoint Insurance Advisors is not affiliated with or endorsed by the government or the federal Medicare program. Medicare has neither reviewed nor endorsed this information. We do not offer every plan available in your area. Currently we represent 1-10 organizations which offer 1-50 products in your area. Please contact Medicare.gov, 1-800-MEDICARE, or your local State Health Insurance Program (SHIP) to get information on all of your options. © Copyright 2026 Guidepoint Insurance Advisors | All rights reserved.Website created by MedicarePRO|Marketing