What is the difference between Advantage and Medigap?

Medicare Advantage is a private all-in-one plan that replaces A and B; Medigap supplements Original Medicare by helping pay its deductibles and coinsurance.

If you don't have other creditable drug coverage, Part D covers your prescriptions; going without it can cause a late penalty.

Can I keep my doctor?

With Original Medicare, any provider who accepts Medicare can be seen; with Advantage, check that your doctor is in the plan's network.

Is the consultation free?

Yes — our initial consultation and plan comparison are free, with no obligation to enroll.

Medicare Coverage Options & Guidance

Medicare is the federal health insurance program primarily for people 65 and older and some people with disabilities. It has several parts that can be combined in different ways, and the choices affect your costs, your doctors, and your prescription coverage. We explain each part in plain language and help you compare Original Medicare, Medicare Advantage, Medigap, and Part D options available where you live.

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Service Overview

What It May Cover

Part A — hospital, skilled nursing, limited home health, and hospice

Part B — doctor visits, outpatient care, preventive services, and durable medical equipment

Part C (Medicare Advantage) — combines A, B, and usually D through a private insurer, often with dental, vision, and wellness extras

Part D — prescription drug coverage

Medigap — helps pay some of the out-of-pocket costs that Original Medicare does not cover

Who It May Be Appropriate For

Adults 65 and older who are U.S. citizens or qualifying residents

People under 65 with certain disabilities or ALS

People with End-Stage Renal Disease (ESRD)

Anyone planning retirement and deciding between Original Medicare and Advantage

Eligibility & Underwriting Considerations

Most people qualify at age 65 if they or their spouse worked and paid Medicare taxes for at least 10 years. People under 65 may qualify after 24 months of Social Security Disability benefits, with ALS, or with ESRD. We confirm the specifics with Medicare.gov and the Social Security Administration before you decide.

How the Coverage Works

1Your Initial Enrollment Period (IEP) spans 7 months: the 3 months before your 65th birthday month, your birthday month, and the 3 months after.
2You choose between Original Medicare (A + B, plus optional Part D and Medigap) and Medicare Advantage (Part C, which replaces A and B).
3You add prescription drug coverage through a stand-alone Part D plan or an Advantage plan that includes it.
4You enroll through the Social Security Administration for A and B, or directly with the insurer for Advantage, Part D, and Medigap.

Available Plan & Coverage Options

Medicare paths differ in flexibility, cost, and extra benefits.

Original Medicare (A + B)

Freedom to see any doctor who accepts Medicare; you add Part D for drugs and may add Medigap to fill cost gaps.

Medicare Advantage (Part C)

A private plan that replaces A and B, usually includes Part D, and may add dental, vision, hearing, and wellness benefits.

Part D

Stand-alone prescription drug coverage that works with Original Medicare.

Medigap (Medicare Supplement)

Helps pay deductibles, copays, and coinsurance that Original Medicare leaves to you; works only with Original Medicare.

Costs & Factors That Affect Premiums

Costs vary by the path you choose. Many people pay no premium for Part A but pay a monthly premium for Part B, plus premiums for Part D, Advantage, or Medigap. You also pay deductibles, copays, and coinsurance. Advantage plans often cap your annual out-of-pocket costs, while Original Medicare does not unless you add Medigap.

Which parts you enroll in (A, B, C, D, Medigap)
Your income (higher incomes may pay Part B and Part D surcharges)
The plan and carrier available in your county
Whether your doctors and prescriptions are in the plan's network
Whether you qualify for any savings programs

Enrollment & Application Process

1Identify your Initial Enrollment Period around age 65 and any other windows that apply to you.
2Decide between Original Medicare and Medicare Advantage.
3Add Part D or Medigap if you choose Original Medicare.
4Confirm enrollment through the Social Security Administration or directly with the insurer.

Missing your Initial Enrollment Period for Part B can lead to late penalties. There are also General and Special Enrollment Periods that may apply. We verify the current periods and penalties with Medicare.gov and the Social Security Administration.

Documents Commonly Requested

Proof of age and lawful U.S. residence

Social Security number and work history

Current insurance information (employer, retiree, or Marketplace)

List of current prescription medications

Details of any disability or ESRD status, if applicable

Detailed Comparison

The two main Medicare paths differ in how coverage and costs are structured.

Feature	Original Medicare	Medicare Advantage
Doctors	Any provider who accepts Medicare	Plan network (HMO/PPO)
Prescription drugs	Add a stand-alone Part D	Usually included
Extra benefits	Limited	Often dental, vision, hearing
Out-of-pocket cap	None without Medigap	Annual cap required
Supplements	Can add Medigap	Cannot combine with Medigap

Important Limitations & Exclusions

Original Medicare has no annual out-of-pocket cap unless you add Medigap.

Medicare Advantage plans use networks, so out-of-network care may cost more or not be covered.

You generally cannot carry Medigap and Medicare Advantage at the same time.

Late enrollment in Part B or Part D can create permanent late penalties.

Common Mistakes to Avoid

Missing the Initial Enrollment Period and incurring Part B late penalties.

Skipping Part D without other creditable drug coverage.

Trying to keep Medigap while enrolling in Medicare Advantage.

Choosing a plan without checking that your prescriptions and doctors are covered.

Frequently Asked Questions

Usually at age 65, or earlier with certain disabilities or End-Stage Renal Disease. We confirm the specifics with Medicare.gov.

Related Insurance Services

ACA / Obamacare

Marketplace health insurance with income-based savings and ten essential health benefits.

Learn more

Private Health Insurance

Individual, family, and group health plans outside the Marketplace — PPO, HMO, and EPO.

Learn more

Dental Insurance

Preventive, basic, and major dental care — PPO and DHMO plans with networks and allowances.

Learn more

Vision Insurance

Eye exams, frames, lenses, and contacts — standalone or added to your health plan.

Learn more

Coverage Varies by State

Plans, carriers, and enrollment windows vary by state and county. Explore our state-by-state insurance guides:

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Need help choosing a plan?

An advisor reviews your situation and answers your questions.

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Important Disclaimer

American Mutual Insurance Agency LLC is a licensed insurance agency. Plan availability, benefits, networks, and costs vary by state, county, carrier, and applicant. This page is for educational purposes only and is not a guarantee of coverage, price, savings, eligibility, or approval. For time-sensitive ACA and Medicare details, we verify current information with official CMS, HealthCare.gov, Medicare.gov, or Social Security Administration sources.

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 (1-800-633-4227) to get information on all of your options. TTY users should call 1-877-486-2048. Hours: 24 hours a day, 7 days a week.