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The biggest decision

Medicare Advantage and Medigap, in plain English.

These two work very differently. Understanding the difference is most of the work. Neither one is better in general. They simply suit different people.

An older couple at their kitchen table looking at a laptop together

Two approaches

Two different ways to build your coverage.

Approach one

Original Medicare + Medigap

Part A and Part B from Medicare, with a Medigap policy from a private company helping pay some costs Medicare doesn't.

Part APart B+ Medigap+ Part D drug plan

Approach two

Medicare Advantage

One plan from a private company that bundles Part A and Part B.

Part C

You choose one or the other. Medigap can't be used to cover costs in a Medicare Advantage plan.

Side by side

How they compare.

Topic
Original Medicare + Medigap
Medicare Advantage
How it's set up
Part A and Part B from Medicare, with a Medigap policy from a private company helping pay some costs Medicare doesn't.
One plan from a private company that bundles Part A and Part B.
Doctors and hospitals
You can use any doctor or hospital in the U.S. that takes Medicare. In most cases you don't need a referral to see a specialist.
You may need to use doctors in the plan's network and service area for non-emergency care, and you may need a referral to see a specialist.
Approvals
In most cases, no approval is needed for Medicare to cover services.
You may need approval (prior authorization) before the plan covers certain services.
Prescription drugs
You join a separate Medicare drug plan (Part D).
Varies by plan. Ask a Licensed Insurance Agent.

Plan types

The kinds of Medicare Advantage plans.

Medicare Advantage Plans are offered by Medicare-approved private companies that must follow rules set by Medicare. They come in several types.

HMO

Health Maintenance Organization

You generally get care from doctors, other providers and hospitals in the plan's network, except for emergency, urgent care or out-of-area dialysis. In most cases you need a referral to see a specialist.

PPO

Preferred Provider Organization

You can generally go to out-of-network providers for covered services. You don't need a referral to see a specialist.

PFFS

Private Fee-for-Service

You can go to any Medicare-approved provider that accepts the plan's payment terms, agrees to treat you and hasn't opted out of Medicare. Your provider can choose at every visit whether to accept the plan's terms. No referral is needed.

MSA

Medicare Medical Savings Account

A consumer-directed type of Medicare Advantage Plan. MSA Plans generally don't have network providers, and no referral is needed. Not everyone can join, for example people eligible for Medicaid or getting hospice care.

SNP

Special Needs Plans

For people with certain chronic conditions, people eligible for both Medicare and Medicaid, or people who need the level of care a facility offers. Types: D-SNP, C-SNP and I-SNP.

See Special Needs Plans

Other Medicare health plans

Some types of Medicare health plans aren't Medicare Advantage Plans, but are still part of Medicare.

Medicare Cost Plans

Only available in certain, limited areas. You can generally join when a plan is accepting new members, even if you only have Part B, and leave at any time to return to Original Medicare.

PACE

The Program of All-inclusive Care for the Elderly is a Medicare-Medicaid program that helps people meet health care needs in the community.

Demonstrations and pilot programs

Special projects that test improvements in Medicare coverage, payment and quality of care. They're usually only available for a limited time, for a specific group of people, or in specific areas.

Not every type is offered everywhere. A Licensed Insurance Agent can tell you which are available where you live, or you can compare plans in your area on your own.

Source: Medicare.gov, Your health plan options.

More to consider

Dental, vision, hearing and Special Needs Plans.

What Original Medicare covers on its own and what it doesn't.

Dental, vision and hearing

Dental

Most routine dental care isn't covered by Original Medicare.

Sometimes covered

Some dental services closely related to certain covered services, like a heart valve repair or replacement, an organ transplant, cancer-related treatments, or dialysis for End-Stage Renal Disease.

Not covered

In most cases, routine cleanings, fillings, tooth extractions and dentures.

Vision

Eye exams for glasses aren't covered. Some medical eye care is.

Covered

One pair of eyeglasses with standard frames (or one set of contact lenses) after each cataract surgery that implants an intraocular lens. A glaucoma screening once every 12 months if you're at high risk.

Not covered

Eye exams for prescription eyeglasses and contact lenses. Glasses and contacts usually aren't covered either.

Hearing

Hearing exams can be covered. Hearing aids aren't.

Covered

Diagnostic hearing and balance exams when your doctor or health care provider orders them to find out if you need medical treatment.

Not covered

Hearing aids, and exams for fitting them.

Special Needs Plans

Medicare Advantage

D‑SNP

Dual Eligible Special Needs Plan

For people who are eligible for both Medicare and Medicaid.

Eligibility depends on Medicaid. Your state Medicaid office can confirm yours.

Medicare Advantage

C‑SNP

Chronic Condition Special Needs Plan

For people with specific severe or disabling chronic conditions, like diabetes, End-Stage Renal Disease (ESRD), HIV/AIDS, chronic heart failure or dementia.

Plans may limit membership to a single chronic condition or a group of related chronic conditions.

Which conditions qualify depends on the plan.

Medicare Advantage

I‑SNP

Institutional Special Needs Plan

For people who live in the community but need the level of care a facility offers, or who live (or are expected to live) for at least 90 days in a row in a facility like a nursing facility, skilled nursing facility, long-term care hospital or rehabilitation hospital.

Other facilities that offer similar long-term care can also count.

Good to know

You aren't required to join a Special Needs Plan, and you must live in a plan's service area to join one.

Not sure what applies to you?

A Licensed Insurance Agent can go through it with you, or you can compare plans in your area on your own.

Get expert helpFind plans

Separate from Medicare Protection beyond Medicare Hospital indemnity, critical illness and long-term care insurance are separate insurance products, not Medicare benefits. Read about them

Sources: Medicare & You 2027 (official handbook) pp.44-45, 58, 66, 73-74, 83. Rules can change; Medicare.gov has the latest.

Questions to ask yourself

What matters most to you?

There's no right answer for everyone. These questions usually decide it.

01

Your doctors

Which doctors and hospitals do you want to keep seeing, and are they in a plan's network?

02

Your prescriptions

Which drugs do you take, and how does each plan cover them?

03

How you pay

Would you rather pay more each month, or more when you actually get care?

04

Travel

Do you spend time away from home, in or outside the U.S.?

One thing to remember

Switching later isn't always simple. If you drop a Medigap policy to join a Medicare Advantage plan, you may not be able to get the same policy back later. In California, see the Birthday Rule.

Next

Not sure which side you fall on?

Most people aren't, and it depends on details rather than opinion.

Sources: Medicare & You 2027 (official handbook) pp.10-12, 82-83. Rules can change; Medicare.gov has the latest.