Medicare Supplement (Medigap) Plans

Medicare Supplement Insurance plans offering financial protection and provider flexibility
Medicare Supplement Insurance (Medigap) provides coverage for high out-of-pocket expenses and offers the flexibility to choose any Medicare-approved provider.

What Are Medicare Supplement Plans (Medigap)?

Medicare Supplement Plans, also known as Medigap plans, are private insurance policies designed to fill the "gaps" in Original Medicare (Part A and Part B) coverage. These plans help cover out-of-pocket costs like copayments, coinsurance, and deductibles. Medicare Supplement Plans work alongside Original Medicare, meaning you must be enrolled in both Medicare Part A and Part B to qualify for Medigap.

What Do Medicare Supplement Plans Cover?

Medicare Supplement Plans cover various costs that Original Medicare does not fully cover, such as:

  • Part A coinsurance and hospital costs
  • Part B coinsurance or copayments
  • Blood (first 3 pints)
  • Part A hospice care coinsurance or copayments
  • Skilled nursing facility coinsurance
  • Part A and Part B deductibles (with certain plans and restrictions)
  • Foreign travel emergency coverage (up to plan limits)

Medicare Supplement Plans do not cover prescription drugs, which would require separate Part D coverage. They also typically do not cover vision, dental, hearing aids, or long-term care.

How Much Do Medicare Supplement Plans Cost?

Medigap plan premiums are set by insurance companies using three different pricing methods that determine how your premiums are calculated and whether they’ll increase as you get older:

1. Community Rated

Premiums are the same for everyone who has the same Medigap policy, regardless of age. While premiums do not increase with age, they may rise due to other factors, such as inflation or increases in healthcare costs.

  • Pros:

      Offers predictable premiums without age-related increases, which is beneficial for long-term budgeting.
  • Cons:

      Community-rated premiums may initially be higher than other pricing methods for younger enrollees.

2. Issue-Age Rated

Premiums are based on the age when you purchase the policy. Hence, younger enrollees pay lower premiums, while older enrollees pay more if they buy at an older age. However, premiums do not increase with age after enrollment, but may still rise due to inflation or healthcare cost increases.

  • Pros:

      Premiums remain stable over time, and enrolling at a younger age results in long-term savings.
  • Cons:

      Late enrollees may face high initial premiums, and switching plans later may be costly.

3. Attained-Age Rated

Premiums are based on your current age and will increase as you get older. Premiums are initially lower for younger enrollees, but they increase annually or at specified intervals as you get older, and may also go up due to inflation or healthcare cost adjustments.

  • Pros:

      Typically offers the lowest starting premiums, which may appeal to younger enrollees.
  • Cons:

      Premiums rise over time, potentially resulting in significantly higher costs as you age.

On average, premiums can range from $50 to over $300 per month depending on the plan and individual circumstances.

Comparison Summary of Pricing Methods

Comparison of Medicare Supplement Plan Pricing Methods: Features, Costs, and Suitability for Different Enrollees
Pricing Method Age-Based Premium Changes Initial Premium Long-Term Stability Who Might Prefer It
Community-Rated No Moderate Stable (age does not affect) People wanting predictable premiums long-term
Issue-Age-Rated No (based on age at purchase) Lower for younger buyers Stable (age does not affect) Younger enrollees who plan to keep the same plan long-term
Attained-Age-Rated Yes (increases with age) Lowest starting cost Variable (increases with age) Younger buyers who prioritize low initial cost, but who are comfortable with potential future increases

Who Is Eligible for Medicare Supplement Plans?

Eligibility for Medicare Supplement Plans typically requires:

  • Enrollment in both Medicare Part A and Part B.
  • Being 65 or older (in most states), although some states allow people under 65 with disabilities to enroll.

When Should You Enroll in a Medicare Supplement Plan?

The best time to sign up for a Medicare Supplement Plan is during your Medigap Open Enrollment Period, which lasts for six months and begins the month you turn 65 and are enrolled in Part B. During this period, you have guaranteed issue rights, meaning insurers cannot deny you coverage or charge higher premiums due to health conditions. Outside of this period, you may be subject to medical underwriting.

What Are the Different Types of Medicare Supplement Plans?

Below is a table listing the ten standardized Medicare Supplement Plans (A through N) and the benefits they provide:

Scroll right for more

Overview of Benefits Provided by the Ten Standardized Medicare Supplement Plans (A through N)
Benefits Plan A Plan B Plan C Plan D Plan F Plan G Plan K Plan L Plan M Plan N
Part A coinsurance & hospital costs
Part B coinsurance/copayment 50% 75% Copay
First 3 pints of blood 50% 75%
Part A hospice care coinsurance 50% 75%
Skilled nursing facility coinsurance 50% 75%
Part A deductible 50% 75% 50%
Part B deductible
Part B excess charges
Foreign travel emergency (80%)
Note: Plan C and Plan F are not available to new Medicare beneficiaries who became eligible on or after Jan 1, 2020, though existing enrollees may still be eligible for these plans.

How Can You Compare and Choose the Right Medicare Supplement Plan?

When comparing Medicare Supplement Plans, consider:

  • Coverage Needs: Assess which out-of-pocket expenses you'd like coverage for. Plans F, G, and N tend to offer the most comprehensive benefits.
  • Budget: Premiums vary by plan type, insurance provider, and location.
  • Provider Network: Medigap plans do not restrict you to a specific network, so they can be used with any provider that accepts Medicare.
  • Availability: Not all plans are available in every state, and some benefits are standardized differently in states like Massachusetts, Minnesota, and Wisconsin.

Choosing the right Medigap plan involves comparing coverage options, costs, and features to fit your healthcare needs and financial situation. Consider speaking with a licensed insurance agent or Medicare counselor for personalized advice.

Is Medicare Supplement Insurance (Medigap) Right for You?

Whether you need Medicare Supplement Insurance (Medigap) depends on your health care needs, budget, and risk tolerance. Medigap is designed to cover “gaps” in Original Medicare, such as copayments, coinsurance, and deductibles, which can lead to significant out-of-pocket expenses.

If you have other coverage like Medicaid or employer-sponsored insurance, a Medigap policy may be unnecessary. Also, if you are generally healthy and have a higher risk tolerance, you may be comfortable with Original Medicare alone, accepting the possibility of higher out-of-pocket costs.

Medicare Supplement Insurance is most valuable if you want financial protection against high out-of-pocket expenses and flexibility in choosing any Medicare-approved provider. However, if you are looking for additional benefits (like vision or dental), prefer lower premiums, and do not mind network restrictions, a Medicare Advantage plan may be a better fit. Evaluate your health care needs, financial situation, and the importance of provider flexibility to decide if Medigap is right for you.

For more detailed information and personalized advice, speak to a licensed insurance agent.

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