Medicare Advantage —
Everything You Need to Know
An alternative to Original Medicare that bundles everything into one private plan. Here's how it works, what it offers, and when it makes sense.
📅 Reviewed and updated for 2026
Why We Keep This Page General
Medicare rules require your advisor to confirm which types of Medicare products you'd like to discuss — Medicare Advantage, Part D, Medicare Supplement — before getting into plan-specific details with you. It's called a Scope of Appointment, and it exists to protect you, not slow things down. That's why you'll find general, educational information here rather than plan-specific numbers. A quick conversation with an advisor unlocks the real specifics, tailored to your situation.
Medicare Advantage (Part C) is an alternative way to receive your Medicare benefits through a private insurer — bundling everything into one plan instead of managing Parts A, B, and D separately.
Medicare Advantage plans are offered by private insurance companies approved by and contracted with CMS (the federal agency that runs Medicare). When you enroll in an Advantage plan, you're still in Medicare — but instead of the government administering your benefits directly, a private carrier does it on Medicare's behalf.
By law, every Advantage plan must cover everything Original Medicare covers. Beyond that minimum, plans have room to structure their offerings differently from one another — coverage and structure varies by plan, carrier, and where you live.
Most Advantage plans also include Part D drug coverage bundled in, which means you typically don't need a separate prescription drug plan. You use one ID card and work with one plan for your overall coverage.
The significant trade-off: Advantage plans use provider networks. You generally must use doctors, hospitals, and specialists within the plan's network to receive full benefits — or pay significantly more for out-of-network care. The plan may also require prior authorization for certain procedures, referrals to see specialists, and annual plan reviews since plan terms can change each January.
Plans must be used within their provider network. Plan terms change annually. You must continue paying your Part B premium regardless of plan.
Medicare Advantage plans differ from one another in real, meaningful ways. Rather than a generic overview, here's the kind of thing a conversation with an advisor actually covers.
How the Provider Network Works
Whether the plan you're considering uses a network structure that fits how you already get care, and whether your current doctors are included.
How Your Prescriptions Are Handled
Most Advantage plans bundle drug coverage in. We help you understand how that generally works and what to ask about for your specific medications.
How Specialist Care Is Coordinated
Whether referrals are required, how prior authorization works, and what that means day-to-day if you see specialists regularly.
What's Structured Differently by Plan
Plans vary in how they're organized beyond the required minimum coverage. We walk through what that means in plain terms for a plan you're looking at.
What Changes From Year to Year
Plan terms can change annually. We explain what that means and why reviewing your plan each fall is worth doing.
How to Compare What You're Looking At
We help you understand the questions worth asking about any specific plan you're considering, in plain, honest language.
Ongoing Support After You Enroll
Your advisor is available for questions after enrollment, not just during the sign-up conversation.
Whether Advantage Fits Your Situation
Medicare Advantage isn't the right fit for everyone. We'll tell you honestly if something else makes more sense for you.
Your Questions, Answered Directly
No scripts. If you don't understand something about how a plan works, we'll explain it until you do.
Important: Plan structures, terms, and offerings vary by plan, carrier, and geographic area, and can change annually. This is why reviewing your plan every fall during Annual Enrollment Period (October 15–December 7) is worth doing — and why having a PharmSurance advisor walk through your specific situation matters.
Not all Medicare Advantage plans work the same way. The plan type determines how your provider network works and how you access specialists.
Most common — network-based with a primary care doctor
You choose a primary care physician (PCP) who coordinates your care and provides referrals to specialists. You must use in-network providers except in emergencies.
- Referrals typically required for specialists
- Out-of-network care not covered (except emergencies)
- Defined local or regional service area
More flexibility — can see out-of-network providers
No PCP required, no referrals for specialists. You can see out-of-network providers, generally with different cost-sharing than in-network care.
- No referrals needed for specialists
- Out-of-network care covered, on different terms
- Good for those who want some provider flexibility
HMO with limited out-of-network option
Primarily an HMO structure, but with a point-of-service option that allows you to see out-of-network providers for specific services, generally on different terms.
- Some out-of-network access for key situations
- PCP and referrals still typically required
- Good middle ground between HMO and PPO
Tailored plans for specific health situations
Designed for people with specific chronic conditions (C-SNP), dual Medicare/Medicaid eligibility (D-SNP), or those in certain care facilities (I-SNP). Highly coordinated care for specific situations.
- Must meet eligibility criteria to enroll
- Highly coordinated care for specific conditions
- D-SNPs coordinate both Medicare and Medicaid benefits
Medicare Advantage plans involve more than one moving cost component, and how they fit together isn't always obvious from a plan's marketing. Here's the structure, in plain terms.
The Basic Structure
Every plan structures these components differently. A PharmSurance advisor can walk through the specific structure of any plan you're considering.
Why "Low Monthly Cost" Isn't the Whole Picture
A plan's added premium is only one part of what you actually pay over a year. Visit-based costs, and how the out-of-pocket cap is structured, matter just as much — sometimes more, depending on how much healthcare you use. This is exactly the kind of thing worth walking through with an advisor rather than judging a plan by its premium alone.
The Out-of-Pocket Cap — Why It Matters
Every Medicare Advantage plan is required to have a yearly cap on your out-of-pocket costs for covered in-network services. Once you hit it, the plan pays 100% for the rest of the year. Original Medicare has no such cap. The specific cap amount varies significantly by plan, carrier, and location — a PharmSurance advisor can tell you what applies to any specific plan you're looking at.
Cons of Medicare Advantage
Medicare Advantage isn't for everyone — and it's not the wrong choice for everyone either. Here's a straight look at both sides.
Medicare Advantage
Medicare Advantage can be an excellent choice — for the right person. And a poor choice for others. Here's how to think about it.
People with a Strong Local Network
If your current doctors and preferred hospitals are in the plan's network — and you don't travel much — the network restriction isn't a significant drawback. Check network status before enrolling.
Those Who Want Simplicity
One card, one plan to manage, instead of coordinating separate Medicare parts and a supplement policy.
Dual-Eligible (Medicare + Medicaid)
For people with both Medicare and Medicaid, a D-SNP plan coordinates both programs with dedicated care coordination. Frequently worth exploring in this situation.
Specific Chronic Conditions
C-SNP plans tailored to specific conditions (diabetes, heart disease, COPD) offer specialized care management and coordinated care that can be genuinely different from standard coverage.
People Who Will Review Annually
Advantage plan success requires engagement — reviewing your plan each October to make sure your doctors are still in network and the plan still fits your needs.
People Who Want a Guided Conversation
If you'd rather have someone walk you through how a specific plan is structured than decode it yourself, that's exactly what an advisor conversation is for.
Medicare Advantage May Not Be the Best Fit If You…
Deserves Expert Review
Choosing an Advantage plan isn't just about the headline numbers. How a plan handles your specific medications is often the most significant factor for people who take regular prescriptions.
Most insurance advisors can tell you whether a drug is generally covered. Very few can tell you what the drug actually is, how it interacts with your other medications, or what a change in your regimen might mean for your coverage going forward.
PharmSurance advisors bring pharmacy-level clinical knowledge to every plan review. That means your medication list isn't just checked against a list — it's interpreted by someone who dispensed prescriptions, managed prior authorizations, and counseled patients on these exact medications professionally.
This depth of review can mean the difference between a plan that looks straightforward on paper and one that actually works well for the medications you take every day. Before recommending any Medicare Advantage plan, we walk through your full medication list against how that specific plan handles prescription coverage.
What a PharmSurance Medication Review Includes
Medigap + Original Medicare
The two main paths to Medicare coverage compared across every factor that matters.
| Factor | 📦 Medicare Advantage | 🛡️ Original Medicare + Medigap + Part D |
|---|---|---|
| Doctor choice | ● Generally requires using the plan's provider network | ● Any doctor in the U.S. that accepts Medicare — no networks |
| Out-of-pocket cap | ● Required to have a yearly cap on in-network costs | ● No federal cap, but Medigap is designed to limit your exposure |
| Drug coverage | ● Usually bundled into the plan | ● Requires a separate standalone Part D plan |
| Prior authorization | ● Commonly required for certain services | ● Rarely required — Medicare generally covers without pre-approval |
| Plan stability | ● Plan terms are renegotiated and can change each January | ● Coverage structure is generally consistent year to year once enrolled |
| Travel coverage | ● Emergencies covered nationwide; routine care is generally local to your network | ● Works anywhere in the U.S.; some Medigap plans add foreign travel coverage |
| Switching flexibility | ● Can switch during AEP; returning to Medigap later requires medical underwriting in most states | ● Switching to Medicare Advantage is generally available; medical underwriting typically isn't required to enroll in MA |
Medicare Advantage Questions
Want to Review the Full Picture First?
The official Medicare & You handbook, published annually by CMS, covers every part of Medicare in plain language — enrollment rules, plan types, and your rights as a beneficiary. Free to read, no account needed.
Read the Medicare & You Handbook →When you're ready, a PharmSurance advisor will analyze your individual situation and help you understand your options clearly — something a general handbook can't do.
Ready to Find the Right
Advantage Plan for You?
Not every Advantage plan is a good fit — and the one that's right for you depends on your doctors, your medications, your location, and how you use healthcare. A PharmSurance advisor will find the plan that actually works for your life.
Talk to an Advisor →Your premium is the same whether you enroll through us or go directly to a carrier — what you get with PharmSurance is a personalized comparison across multiple carriers, not just one company's plans.