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Difference Between Medigap Medicare Advantage

Difference Between Medigap Medicare Advantage

June 04, 20233 min read

Difference Between Medigap Medicare Advantage


Navigating the healthcare landscape can be challenging, especially when choosing between Medigap and Medicare Advantage plans. These plans play a crucial role in supplementing or replacing Original Medicare coverage, and understanding their differences is essential for making an informed decision. This article explores these differences, providing insights into each option's unique features, benefits, and limitations.

Understanding Original Medicare

Before delving into Medigap and Medicare Advantage, it's important to understand Original Medicare, which comprises Parts A & B. While offering fundamental health coverage, it doesn't cover all medical expenses. Roughly 81% of traditional Medicare enrollees opt for supplemental coverage due to gaps in this basic coverage, such as deductibles, coinsurance, and copayments.

Medigap: Bridging the Gaps in Original Medicare

Medigap, or Medicare Supplement Insurance, is a policy sold by private companies designed to cover the "gaps" in Original Medicare. It addresses out-of-pocket expenses like deductibles and copays. Key features of Medigap include:

  • Freedom of Choice: With Medigap, beneficiaries can see any doctor accepting Medicare, providing greater flexibility compared to Medicare Advantage.

  • Coverage Details: Medigap plans, standardized across providers, cover costs like inpatient hospital deductibles, copayments for hospital and skilled nursing facility stays, and a portion of Medicare Part B medical services.

  • Costs and Premiums: Medigap policies come with monthly premiums, which vary based on age, location, and the insurer. These premiums are in addition to the standard Part B premium and any Part D prescription drug plan costs.

  • Enrollment Considerations: The ideal time to enroll in a Medigap policy is during the six-month Medigap Open Enrollment Period starting with Medicare Part B enrollment at age 65. Switching Medigap plans later may be costly or restricted.

Medicare Advantage: An Alternative to Original Medicare

Medicare Advantage, also known as Part C, offers an alternative to Original Medicare, bundling Parts A, B, and often Part D (prescription drugs) coverage. It's provided by private insurers approved by Medicare and includes additional benefits like dental, vision, and hearing coverage. Key aspects include:

  • Network Restrictions: Medicare Advantage plans typically have a network of doctors and hospitals, limiting freedom of choice in healthcare providers.

  • Cost Considerations: These plans often have lower monthly premiums than Medigap but may lead to higher out-of-pocket expenses for services. They have an out-of-pocket cost cap, which can provide financial predictability.

  • Additional Benefits: Many plans offer benefits not included in Original Medicare, like fitness classes and transportation for medical appointments.

  • Enrollment Periods: Beneficiaries can enroll or switch plans during specific periods, like the Medicare Open Enrollment and Medicare Advantage Open Enrollment periods.

Making the Right Choice: Medigap or Medicare Advantage?

Choosing between Medigap and Medicare Advantage depends on individual healthcare needs, lifestyle, and financial considerations. Consider Medigap if you:

  • Value the freedom to choose any Medicare-accepting doctor.

  • Travel frequently within the U.S. or internationally.

  • Anticipate frequent healthcare services, such as hospital stays or regular doctor visits.

  • Prefer predictability in out-of-pocket expenses.

On the other hand, Medicare Advantage might be suitable if you:

  • Live in an area with a comprehensive network of healthcare providers.

  • Have a limited budget for monthly premiums.

  • Are comfortable with network restrictions and managed care plans.

  • Appreciate additional benefits like dental and vision coverage.


The difference between Medigap and Medicare Advantage lies in their approach to supplementing or replacing Original Medicare. Medigap offers more freedom and predictable out-of-pocket costs but at potentially higher premiums. Medicare Advantage provides a bundled, often lower-cost alternative with added benefits but comes with network restrictions and variable out-of-pocket expenses. Understanding your healthcare needs and preferences is crucial in choosing the plan that best aligns with your lifestyle and financial situation.

Difference Between Medigap Medicare Advantage
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