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All About Medicare Supplements: What They Are & How They Compare to Medicare Advantage

When it comes to covering healthcare costs in retirement, many people find that Original Medicare (Medicare Part A and Medicare Part B) doesn't cover everything. That happens to be true. Original Medicare covers 80%, but what about the 20% left over? That is where Medicare Supplements, also known as Medigap plans, come in.

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What Is a Medicare Supplement Plan?

A Medicare Supplement is a private insurance policy designed to help pay for the out-of-pocket expenses that Original Medicare doesn’t cover, like copayments, coinsurance, and deductibles. These plans are standardized and labeled by letters (Plan G, Plan N, etc.), which means coverage is the same across all carriers offering that plan in your state.

Medigap plans only work with Original Medicare, not Medicare Advantage.


Key Benefits of Medicare Supplements:

  • Predictable costs: Monthly Premium costs are set annually.

  • No network restrictions: See any doctor or hospital that accepts Medicare nationwide.

  • Guaranteed renewability: Your policy can’t be canceled due to health conditions.

  • No referrals needed: Freedom to visit specialists without prior approval.


How Do Medicare Supplements Compare to Medicare Advantage?

Medicare Supplement (Medigap)

Medicare Advantage (Part C)

Works with Original Medicare Parts A+B

Medicare Parts A+B+D=C

No networks – nationwide access

HMO or PPO Networks

Higher premiums, lower copays

Lower premiums and copays

Does not include drug coverage

Often includes drug, dental, vision, and additional benefits

No out-of-pocket maximum

Includes out-of-pocket maximum

Why would I choose a Medicare Supplement over a Medicare Advantage Plan when I enter Medicare?


You may choose a Medicare Supplement (Medigap) over a Medicare Advantage Plan when you first enter Medicare for the following reasons:


  1. Guaranteed Issue (No Health Questions)

    1. When you first enroll in Medicare Parts A and B, you have a one-time 6-month Medicare Supplement (Medigap) Open Enrollment Period during which you are guaranteed to get that plan without Medicare underwriting, regardless of your health.

    2. If you wait to enroll later, you could be denied or charged more due to health conditions and aging.

  2. Nationwide Provider Access

    1. A Medicare Supplement is perfect for those who travel often. This isn't about occasional vacations, but rather if you reside in one location for a period and then relocate to another, like snowbirds do.

  3. Fixed Premium

    1. If you have numerous health issues and frequently visit doctors and specialists, a Medicare Supplement could be a suitable option because it allows you to know your expenses regardless of the situation.

    2. A Medicare Advantage Plan is more of a pay-as-you-go plan.


Which Is Right for You?

  • Choose a Medicare Supplement if you want nationwide flexibility due to travel, predictable costs due to health, and guaranteed issue.

  • Choose a Medicare Advantage Plan if you prefer lower premiums and additional benefits and don’t mind network restrictions.


Ultimately, the best choice depends on your health needs, travel habits, and financial situation. Working with a licensed Medicare advisor from The Bedrock Group can help you compare options and find the plan that fits your lifestyle.


Plans and options change over time. We can assist you in navigating these changes and ensure you remain informed about everything essential for a successful retirement. If you're ready to have an advocate support you annually, we can link you with the right advisor in your area. Just click "Schedule Appointment" to get your free review. Our services are always at no cost to you, so what do you have to lose?





To learn more about The Bedrock Group, please continue below.


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At The Bedrock Group, we are a Veteran and First-Responder-owned, full-service insurance agency dedicated to helping you navigate your insurance and financial needs. We proudly offer complimentary consultations and no-cost Medicare Reviews.


We are headquartered in New Albany, Indiana, and have a full-service agency in Asheville, North Carolina.


We have advisors in 48 states ready to help with a wide range of services, including:


  • Life Insurance

  • Wealth Management

  • Medicare Plans

  • Medicare Advantage & Supplement (Medigap) Plans

  • Hospital Indemnity

  • Final Expense (Burial Planning)

  • Mortgage Protection

  • Business Insurance

  • Retirement Planning

  • Medicare Enrollment Assistance

  • And more!


Have Medicare questions? Call our team at 833-905-1060 for help over the phone.


To schedule an in-person Medicare Benefits Review, please visit www.bedrockfg.com/scheduleappointment 


At The Bedrock Group and Senior Solutions, we're here to help!


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about us.

The Bedrock Group is an insurance agency owned by veterans and first responders. We are dedicated to providing individuals and their families with the essential tools to live their best lives.

 

The Bedrock Group offers a wide range of services, including Medicare planning, retirement planning, life insurance, wealth management, mortgage protection, and more.

 

With over 85 years of combined experience, our team at The Bedrock Group has successfully assisted numerous individuals and families as they transition to the next phase of life. Life insurance is essential at every stage, and we recognize that everyone has unique plans and visions for retirement.

 

Our mission is to guide you in the right direction—at Bedrock, we’re here to help you achieve your goals!

We have dedicated licensed advisors across 48 states ready to help with your Medicare, retirement planning, and more. If you, a family member, or a loved one are ready for a complimentary review, we are happy to help! Please fill out the form above or click below to learn more.

Contact us

The Bedrock Group

204 Pearl Street 3rd Floor

New Albany, IN 47150

833-905-1060

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© 2025 The Bedrock Group

We do not offer every plan available in your area. Any information we provide is limited to those plans we do offer in your area.

Please contact Medicare.gov or ‍1-800-MEDICARE to get information on all of your options.

Medicare has neither reviewed nor endorsed this information. Not connected with or endorsed by the United States government or the federal Medicare program.

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