Ashford Insurance

Your Comprehensive Guide to Medicare Supplement Open Enrollment

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Sarah Fuhrmann

Sarah Fuhrmann is an agent of Ashford Insurance an independent health insurance agency specializing in Texas Medicare insurance.

As you approach your senior years, ensuring your health and well-being becomes paramount. Medicare supplement plans, also known as Medigap, play a crucial role in enhancing your existing Medicare benefits and providing a safety net for unexpected medical expenses. This consumer guide is designed to help individuals like you understand the nuances of Medicare supplement open enrollment. By the time you finish reading, you'll be better equipped to navigate the process of securing additional healthcare coverage.

Your Comprehensive Guide to Medicare Supplement Open Enrollment

Key Takeaways:


1. Medicare supplement plans, commonly referred to as Medigap, offer additional insurance coverage beyond what Original Medicare provides.

2. Open enrollment for Medicare supplementation is a six-month period that commences at age 65. During this period, you can enroll in Medigap plans without undergoing health screenings or evaluations.

3. Medigap complements Original Medicare, while Medicare Advantage Plans replace it. Switching between Medigap and Medicare Advantage Plans can be challenging.

4. It’s important to note that Medigap plans don’t cover all medical costs not covered by Medicare; there are exceptions.

5. Medigap plans remain renewable as long as premiums are paid, regardless of changes in the beneficiary’s health.

Exploring Medicare Supplement Plans:

Before delving into Medicare supplement enrollment, it’s essential to grasp the fundamentals of Medicare supplement plans, more commonly known as Medigap plans. These plans are designed to provide additional health coverage for expenses not covered by Original Medicare.

This extra coverage can help alleviate the financial burden for individuals aged 65 and older. Medigap is a supplemental insurance purchased alongside, not in place of, Medicare coverage. Various plans are offered by private insurance companies.

To be eligible for a Medicare supplement plan, you must first enroll in Original Medicare, which includes Medicare Parts A and B. Part A covers hospital stays and certain procedures, while Part B covers outpatient services such as doctor visits. Medigap plans provide additional medical coverage beyond the scope of Medicare Parts A and B.

Regardless of the insurance provider, all Medigap policies offer the same standard benefits. This ensures that all individuals enrolled in a Medigap plan receive identical benefits, irrespective of the insurance provider or the company’s location. Most states offer the following plans identified by letters: A, B, C, D, F, G, K, L, M, and N.

The sole differentiating factor among all plans is the monthly premium charged by private insurance companies. All Medigap plans must adhere to federal and state regulations to safeguard the interests of those insured under Medigap.

What Costs Does Medigap Cover?

Medigap plans assist with covering costs like deductibles and copayments. Additionally, Medigap can provide coverage for emergency medical care during foreign travel. This can be invaluable for individuals who need medical care while abroad, as Original Medicare does not cover this service. Medicare typically pays the agreed-upon plan allowance amount first in the payment sequence.

Medigap then steps in to cover a portion of the remaining costs not paid by Medicare. The beneficiary is responsible for any outstanding costs not covered by Original Medicare or Medigap. Many insurance companies can electronically access information about Medicare Part B claims filed on your behalf. Once obtained, the insurance provider can pay your healthcare provider to cover portions of the remaining healthcare costs.

When Does Medicare Supplement Open Enrollment Occur?


The open enrollment period represents the ideal time to review available Medigap plans and enroll without the hassle of traditional medical evaluations and screenings. This is advantageous because during this period, insurance companies cannot deny healthcare coverage to individuals or charge exorbitant premiums based on their health conditions or current health status.

Open enrollment kicks off when you celebrate your 65th birthday and are actively enrolled in Medicare Parts A and B. This unique opportunity is available only once you turn 65, and you can sign up for a Medigap plan at any point during this six-month open enrollment window. It’s important to note that open enrollment is not an annual benefit.

Transitioning from a Medicare Advantage Plan to a Medigap Plan:

Before committing to a Medigap Plan, thorough research is essential to assess the benefits and risks and determine if it aligns with your specific situation. Enrolling in a Medigap plan necessitates unenrolling from your Medicare Advantage Plan, so be sure to explore all your options. Consider the following:

– Review your current coverage: Compare your Medicare Advantage Plan with a Medigap Plan before making the switch.

– Changes in health status: If your health changes, your Medigap plan remains unchanged, with no increase in premiums or loss of benefits.

– Guaranteed acceptance: During the enrollment period, insurance companies must offer Medigap plan options regardless of your health history.

– No health questionnaires: There’s no need to complete a health questionnaire to determine eligibility and premium rates.

Distinguishing Medigap from Medicare Advantage Plans:

A Medigap policy differs from a Medicare Advantage Plan (Part C). Medicare Advantage Plans offer an alternative way to receive Medicare coverage in addition to Original Medicare. Medigap plans exist to help beneficiaries enrolled in Original Medicare offset healthcare costs.

Beneficiaries are not permitted to have both a Medigap plan and a Medicare Advantage Plan simultaneously. If you’re enrolled in a Medicare Advantage Plan and wish to transition to Original Medicare, contact your insurance provider to explore options for discontinuing coverage. Alternatively, if you wish to terminate your Medigap policy and enroll in a Medicare Advantage Plan, specific procedures must be followed.

Factors to Consider When Selecting a Plan:

Once you have a grasp of open enrollment, you can choose a Medigap plan that aligns with your healthcare needs. Various plans are available, each identified by letters, and each offers distinct benefits. To make an informed decision, evaluate costs, coverage details, and any additional advantages included in the plans.

By carefully weighing these factors, you’ll be well-equipped to select the Medigap plan that caters to your specific needs and offers adequate coverage. There are several considerations to keep in mind when reviewing Medigap options offered by insurers. At a minimum, insurance companies are required to offer Medigap Plan A to potential beneficiaries, and they can choose to offer some or all of the other Medigap Plans.

Once you’ve determined which Medigap plan suits you best, rest assured that your coverage will remain intact as long as you pay your premiums. Your coverage won’t be affected by changes in your health status. Insurers offering plans other than Medigap Plan A are also obligated to offer Plan C or Plan F to individuals who were eligible for Medicare before January 1, 2020, but have not yet enrolled. Individuals turning 65 on or after January 1, 2020, can choose from plans D and G.

Medigap Plan Premiums and Payments:

The premiums for Medigap plans vary based on the insurance company, the plans available, and your geographical location. There can be significant variations in premiums among different insurers offering the same coverage. Contact and consult with insurance companies to obtain quotes and compare Medigap plans available in your area.

Please note that the premium cost should be the only distinguishing factor when evaluating Medigap plans. You pay Medigap premiums directly to the insurance company from which you purchased the plan. You are still required to pay your monthly Part B premium in addition to your Medigap premium. The amount you pay for your Medicare premium does not cover the cost of your Medigap premium. Insurance companies may adjust premium amounts based on their policies and procedures, with the frequency of these adjustments varying among companies.

Common Causes of Coverage Termination:

Once you have a policy, you’ll remain covered as long as you continue to pay the premium. Your coverage will persist year after year. Medicare supplement open enrollment offers a unique opportunity to enhance your current healthcare coverage without the complications of health screenings or evaluations. During this period, you are guaranteed acceptance, receive standardized coverage, and have the freedom to select a plan that aligns with your specific healthcare coverage needs. Obtaining Medigap coverage can be a valuable step as you navigate your health and wellness journey.

With the assurance of guaranteed acceptance, consistent coverage across the board, and the autonomy to choose a plan that suits your individual needs, this open enrollment period empowers you to take greater control of your healthcare while expanding your coverage options. Your health and financial stability are invaluable assets deserving of the most comprehensive healthcare coverage available. Embrace Medicare supplement open enrollment with enthusiasm and carefully evaluate the various Medigap plans on offer. It holds great importance for individuals seeking to maximize healthcare coverage and reduce the financial burden associated with healthcare.

With the guarantee of coverage, standardized plans, and the freedom to choose what suits you best, this is your opportunity to enhance your healthcare. Your health and finances matter, so use this chance to find the right plan for a healthy and secure future. Prior to making a final selection on a Medigap insurance plan, consult with individual insurance companies for further assistance.


1. How long does the open enrollment period for Medicare supplement policies last?

– Open enrollment spans six months, beginning when you turn 65 and have Medicare Part B. It’s essential to keep track of these dates to make the most of this enrollment window.

2. Can I purchase a Medicare supplement plan at any time?

– While it may be possible to purchase a Medicare supplement plan after your open enrollment period, you may face additional costs and restrictions. During the Medicare supplement open enrollment period, you can acquire a plan without certain limitations.

3. Does Medigap coverage include prescription drugs?

– Medigap plans sold after 2005 do not cover prescription drug costs. To obtain prescription drug coverage, you must enroll in a separate Medicare Part D plan.


– U.S. Centers for Medicare and Medicaid Services. Medigap (Medicare Supplement Health Insurance).
– U.S. Centers for Medicare and Medicaid Services. What’s Medicare Supplement Insurance (Medigap)?
– U.S. Centers for Medicare and Medicaid Services. Get Medigap Basics.
– U.S. Centers for Medicare and Medicaid Services. Get ready to buy.
– U.S. Centers for Medicare and Medicaid Services. Learn what Medigap Covers.
– U.S. Centers for Medicare and Medicaid Services. Learn How Medigap Works.

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