A Medicare Advantage plan is an alternative way to receive your Medicare Part A and Part B benefits through a private insurance company approved by Medicare.
Also known as Medicare Part C, these plans often combine hospital coverage, medical coverage, and prescription drug coverage into one policy. Some plans also include additional benefits such as routine dental, vision, hearing, fitness programs, transportation, or over-the-counter allowances.
The low premiums and extra benefits can be attractive. However, Medicare Advantage plans may also involve provider networks, copayments, prior authorization requirements, and other plan rules that do not apply in the same way under Original Medicare.
The important question is not whether Medicare Advantage is universally good or bad. The question is whether a particular plan fits your doctors, prescriptions, healthcare needs, budget, travel habits, and comfort with managed care.
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How Does a Medicare Advantage Plan Work?
You must be enrolled in both Medicare Part A and Medicare Part B before you can join a Medicare Advantage plan.
When you enroll, you remain in the Medicare program, but a private insurance company administers most of your Medicare-covered healthcare benefits. You will generally use your Medicare Advantage membership card when receiving covered services rather than relying only on your red, white, and blue Medicare card.
You must also continue paying your Medicare Part B premium. That remains true even when a plan advertises a $0 monthly premium.
Each Medicare Advantage plan establishes its own:
- Provider network
- Copayments and coinsurance
- Medical deductible, if applicable
- Prescription drug coverage
- Prior authorization requirements
- Referral rules
- Additional benefits
- Annual medical out-of-pocket limit
These details can differ significantly from one plan to another, even when the plans are offered by the same insurance company.
What Does Medicare Advantage Usually Cover?
Medicare Advantage plans must provide Medicare-covered hospital and medical benefits. Most plans also include Medicare Part D prescription drug coverage.
Depending on the plan and county, coverage may include:
- Inpatient hospital care
- Doctor and specialist visits
- Outpatient surgery
- Diagnostic testing and imaging
- Preventive care
- Emergency and urgent care
- Skilled nursing facility care under applicable Medicare rules
- Durable medical equipment
- Prescription drug coverage
Some plans also offer benefits that Original Medicare generally does not provide, such as:
- Routine dental services
- Routine vision care
- Hearing examinations or hearing-aid allowances
- Fitness memberships
- Transportation to medical appointments
- Over-the-counter product allowances
- Meal benefits in certain qualifying situations
Additional benefits should be reviewed carefully. The dollar amount, provider requirements, frequency limits, and covered services can vary considerably.
A dental benefit advertised by a plan, for example, does not necessarily mean every dental procedure is covered without limits.
Are Medicare Advantage Plans Really Free?
Some Medicare Advantage plans have a $0 monthly plan premium. That does not mean the healthcare coverage is free.
You must generally continue paying your Medicare Part B premium. You may also pay costs when receiving healthcare, including:
- Primary-care copayments
- Specialist copayments
- Emergency-room copayments
- Hospital copayments
- Coinsurance for outpatient procedures
- Diagnostic testing and imaging costs
- Prescription drug costs
- Out-of-network costs when permitted by the plan
Each plan has an annual maximum out-of-pocket limit for covered Part A and Part B services. Once you reach that limit, the plan generally pays the covered medical costs addressed by the limit for the remainder of the calendar year.
However, the maximum can still represent several thousand dollars. Prescription drug expenses are governed by separate Part D cost-sharing rules, and certain extra services may have separate limitations.
That is why you should compare more than the monthly premium. Consider what the plan could cost during a year in which you need significant medical care.
Doctor Networks and Hospital Access
Provider access is one of the most important differences between Medicare Advantage and Original Medicare with a Medicare Supplement.
Many Medicare Advantage plans use an HMO or PPO network.
An HMO generally requires you to receive routine care from participating providers, except in emergencies or other limited circumstances. Some HMOs also require referrals before you see certain specialists.
A PPO may allow you to receive covered care outside the network, but your costs will generally be higher. The provider must also be willing to accept the plan’s terms and treat you.
Before enrolling, confirm that the following participate in the plan:
- Primary-care physician
- Specialists
- Preferred hospital
- Outpatient facilities
- Laboratories
- Imaging centers
- Pharmacies
- Medical equipment suppliers
Do not rely solely on an old provider-directory listing. Contact the doctor or hospital directly and ask whether it participates in the exact plan you are considering.
Provider networks can also change. You should review your coverage and provider participation each year.
Prior Authorization and Plan Rules
Medicare Advantage plans frequently require prior authorization before certain treatments, procedures, services, supplies, or medications will be covered.
Prior authorization does not automatically mean the service will be denied. It means the plan may require medical information and approval before the service is provided.
Services that may require authorization can include:
- Advanced diagnostic imaging
- Certain outpatient procedures
- Skilled nursing facility care
- Rehabilitation services
- Durable medical equipment
- Home healthcare
- Some specialty medications
The exact requirements vary by plan.
People with ongoing or complex medical conditions should review these requirements carefully. It is also important to determine whether your doctors and their administrative staff regularly work with the plan.
Who May Be Comfortable With Medicare Advantage?
Medicare Advantage may be worth considering when you:
- Want to keep your monthly plan premium relatively low
- Are comfortable receiving care through a provider network
- Have confirmed that your doctors and hospitals participate
- Primarily receive healthcare near your permanent residence
- Prefer having medical and prescription coverage combined
- Value dental, vision, hearing, or fitness benefits
- Are comfortable paying copayments when you receive care
- Understand the plan’s potential annual out-of-pocket exposure
- Are willing to review the plan every year
A properly selected plan can work well for someone whose providers, prescriptions, and healthcare preferences match the plan’s rules.
Who Should Examine the Restrictions Carefully?
You may prefer another coverage arrangement when you:
- Travel frequently within the United States
- Divide your time between two states
- Want broad access to doctors and hospitals
- See specialists outside your local area
- Have complex or ongoing medical needs
- Do not want to deal with provider-network restrictions
- Prefer fewer prior authorization requirements
- Want more predictable medical expenses
- Do not want to review changing plan benefits every year
Emergency and urgent care are covered under applicable plan rules, but routine non-emergency care outside the plan’s network or service area may be limited.
The decision should be based on how you expect to use healthcare, not simply on the plan’s premium or extra benefits.
Medicare Advantage Versus Medicare Supplement
A Medicare Advantage plan and a Medicare Supplement plan are not two versions of the same coverage. They work very differently.
With Medicare Advantage:
- A private plan administers your Medicare benefits
- Provider networks may apply
- Most plans include prescription drug coverage
- Copayments and coinsurance may apply as you use care
- Prior authorization may be required
- Plans include an annual medical out-of-pocket limit
- Benefits and costs can change each year
With Original Medicare and a Medicare Supplement:
- Original Medicare remains your primary coverage
- The supplement helps pay eligible costs left by Original Medicare
- You can generally use any provider nationwide who accepts Medicare
- A separate Part D plan is normally needed
- The monthly premium is usually higher
- Medical expenses can be more predictable, depending on the supplement selected
You cannot use a Medicare Supplement policy to pay the copayments or deductibles of a Medicare Advantage plan.
It is also important to think beyond the first year. Returning from Medicare Advantage to Original Medicare may be possible during an appropriate enrollment period, but obtaining a Medicare Supplement afterward may require medical underwriting unless you have a protected enrollment or guaranteed-issue right.
What Should You Check Before Enrolling?
Before choosing a plan, review more than the advertisement or summary of benefits.
Confirm:
- Your doctors participate in the exact plan
- Your preferred hospital is in the network
- Your prescriptions are on the formulary
- Your pharmacy is preferred or in-network
- The medication tiers and copayments are acceptable
- Your expected medical copayments are affordable
- The annual out-of-pocket limit fits your budget
- Referrals are required or not required
- Prior authorization rules are acceptable
- Dental and vision benefits provide meaningful coverage
- The plan works with any employer, retiree, Medicaid, or veterans’ benefits you have
- Coverage is suitable for your travel habits
Plan availability, premiums, provider networks, prescription formularies, and additional benefits can vary by county and may change from year to year.
When Can You Join or Change a Medicare Advantage Plan?
You cannot ordinarily join, leave, or change plans whenever you choose.
Opportunities may include:
Your Initial Enrollment Period
This is generally when you first become eligible for Medicare and have both Part A and Part B.
The Medicare Annual Election Period
The Annual Election Period runs from October 15 through December 7. During this period, eligible beneficiaries can make several types of Medicare Advantage and Part D changes for coverage beginning January 1.
The Medicare Advantage Open Enrollment Period
From January 1 through March 31, people already enrolled in Medicare Advantage may be able to switch to another Medicare Advantage plan or return to Original Medicare. Only one change is generally permitted during this period.
A Special Enrollment Period
Certain events may create a separate opportunity to change coverage. Examples can include moving out of a plan’s service area, losing qualifying coverage, entering or leaving an institution, or qualifying for certain assistance programs.
The actions available depend on the enrollment period and your circumstances.
Frequently Asked Questions
Is Medicare Advantage the same as Medicare Part C?
Yes. Medicare Advantage and Medicare Part C refer to the same general type of Medicare coverage offered through private insurance companies approved by Medicare.
Do I lose Medicare when I join Medicare Advantage?
No. You remain enrolled in Medicare and must continue meeting Medicare eligibility requirements, including maintaining Part A and Part B. The private plan administers most of your covered healthcare benefits.
Do I still pay the Medicare Part B premium?
Yes. You generally continue paying your Medicare Part B premium even when your Medicare Advantage plan has a $0 monthly premium.
Can I see any doctor I want?
Not necessarily. Most plans use provider networks. An HMO generally has stricter network requirements, while a PPO may provide some out-of-network coverage at a higher cost.
Do all plans include prescription coverage?
Most do, but not every plan includes Part D. Review the plan documents carefully before enrolling. In most Medicare Advantage plan types, you cannot add a separate Part D policy.
Can I switch from Medicare Advantage to a Medicare Supplement later?
Possibly. You may return to Original Medicare during an applicable enrollment period, but qualifying for a Medicare Supplement may require medical underwriting unless you have a guaranteed-issue or other protected right.
Is Medicare Advantage better than a Medicare Supplement?
Neither option is universally better. Medicare Advantage may appeal to people seeking lower monthly premiums and bundled benefits. Medicare Supplement coverage may appeal to people who value broad provider access and more predictable medical expenses.
Related Medicare Topics
- What does Medicare Part C cover?
- Medicare Advantage vs Medicare Supplement: Which Is Better for You?
- Why I Usually Recommend Medicare Supplements Instead of Medicare Part C
- Can You Switch From Medicare Advantage to Plan G in Pennsylvania?
- The Medicare Annual Election Period
Schedule Your Medicare Consultation Today
Medicare can be confusing, but getting answers shouldn’t be.
Whether you’re enrolling for the first time, reviewing your current coverage, considering a plan change, or simply looking for a second opinion, I’m happy to help you understand your options and answer your questions.
I’ve been helping Medicare beneficiaries since 1985, and I’ve built my practice on straightforward advice, long-term relationships, and treating people the way I’d want my own family treated.
If you’d like to discuss your Medicare options, call or text The DeAngelis Agency at 215-967-8828.
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