Blog Post 1: Medicare Advantage vs. Medicare Supplement: Which Plan Is Right for You?

Medicare Advantage vs. Medicare Supplement: Which Plan Is Right for You?

Target Keywords: Medicare Advantage vs Supplement, Medigap plans, Medicare coverage options, Medicare Plan G, Medicare Advantage out-of-pocket maximum Author: Rodney Cummings, Legacy Wealth Services | OR License #18847712 Published: May 2026 Word Count: ~1,150


You’ve worked hard for decades. You’ve paid into Medicare your entire career. Now you’re turning 65 — and suddenly you’re staring down a decision that will shape how you access healthcare for the rest of your life. Medicare Advantage or Medicare Supplement?

Most people spend more time researching a new refrigerator than they do this choice. That’s a problem, because the wrong decision can cost you thousands of dollars a year — or worse, leave you scrambling for care when you need it most.

This guide will cut through the noise and give you a clear, honest comparison so you can make the choice that’s right for your life.


First, Understand What Original Medicare Actually Covers (And Doesn’t)

Before comparing the two options, you need to understand the baseline. Original Medicare — Parts A and B — covers roughly 80% of your approved medical costs. The other 20%? That’s yours.

In 2026, here’s what that exposure looks like:

  • Part B premium: $202.90/month (deducted from Social Security)
  • Part B deductible: $257/year
  • Part A deductible: $1,676 per benefit period (not per year — per hospital stay)
  • Skilled nursing facility coinsurance: $209.50/day after day 20
  • Part B coinsurance: 20% of all outpatient costs — with no cap

That last point is critical. If you’re diagnosed with cancer and rack up $200,000 in treatment costs, Original Medicare alone leaves you responsible for $40,000. That’s why nearly every financial advisor recommends some form of supplemental coverage.

The two primary ways to fill that gap are Medicare Advantage (Part C) and Medicare Supplement Insurance (Medigap).


How Medicare Advantage Works: The “All-in-One” Approach

Medicare Advantage plans are offered by private insurance companies approved by Medicare. Instead of using Original Medicare, you enroll in a private plan that bundles your Part A, Part B, and usually Part D (prescription drugs) coverage together.

The appeal is obvious:

  • Many MA plans have $0 monthly premiums (beyond your Part B premium)
  • Extra benefits Original Medicare doesn’t cover: dental, vision, hearing, gym memberships, transportation, over-the-counter allowances
  • One card, one plan, one insurance company to call

The trade-off:

  • You must use a network of doctors and hospitals (HMO or PPO structure)
  • You pay copays and coinsurance at the point of care
  • The maximum out-of-pocket limit in 2026 is $9,250 for in-network care — meaning in a serious health year, you could owe nearly $10,000
  • Prior authorization is required for many procedures and specialist visits
  • Plans can change their benefits, premiums, and networks every January 1

A typical cost breakdown for someone with moderate health needs on Medicare Advantage might look like this:

ServiceWhat You Pay (Estimated 2026)
Primary care visit$0–$15 copay
Specialist visit$30–$65 copay
Inpatient hospital (per day)$250–$350/day, days 1–5
Emergency room$90–$120 copay
Outpatient surgery20% coinsurance
Annual out-of-pocket maximumUp to $9,250

How Medicare Supplement (Medigap) Works: The “Predictability” Approach

Medigap plans work alongside Original Medicare. You keep your red, white, and blue Medicare card — and your Medigap policy pays the costs that Medicare doesn’t.

There are 10 standardized Medigap plan types (A, B, C, D, F, G, K, L, M, N). The two most popular for new enrollees in 2026 are Plan G and Plan N.

Medicare Supplement Plan G (the gold standard):

  • Covers 100% of Part A deductible, coinsurance, and hospital costs
  • Covers 100% of Part B coinsurance (that 20% gap)
  • Covers skilled nursing facility coinsurance
  • Covers foreign travel emergency (80%, up to plan limits)
  • Your only cost: The $257 Part B deductible, then essentially $0 for covered services
  • Average monthly premium: $120–$200/month depending on age, gender, tobacco use, and location

Medicare Supplement Plan N:

  • Similar to Plan G, but you pay up to $20 for office visits and $50 for ER visits
  • Average monthly premium: $90–$150/month
  • Good option if you’re healthy and don’t see doctors frequently

With Medigap, you can see any doctor or specialist in the country who accepts Medicare — no networks, no referrals, no prior authorizations for most services.


The Real Cost Comparison: Two Real-World Scenarios

Scenario A — Healthy Retiree, Minimal Healthcare Use

Carol, 66, active, sees her doctor twice a year and takes one generic medication.

Medicare Advantage ($0 premium)Medigap Plan G ($155/mo)
Annual premium cost$0$1,860
Doctor visits (2x)$30 copay × 2 = $60$0
Total annual cost~$60~$1,860

Advantage winner for Carol: Medicare Advantage — she’s healthy and saves nearly $1,800.

Scenario B — Retiree with Serious Health Event

Robert, 70, has a heart attack requiring hospitalization, cardiac rehab, and multiple specialist visits.

Medicare AdvantageMedigap Plan G
Annual premium$0$1,860
Hospital stay (5 days)$1,500$0
Specialist visits (12x)$540$0
Cardiac rehab (30 sessions)$600$0
Outpatient procedures$2,200$257 (deductible only)
Total annual cost$4,840$2,117

Advantage winner for Robert: Medigap — by more than $2,700 in a single year.

This is the core tension: Medicare Advantage wins when you’re healthy. Medigap wins when you’re not.


Network Flexibility: A Critical Factor Most People Overlook

One of the most underappreciated differences is geographic freedom.

With Medigap, your coverage travels with you. Snowbirds who split time between Oregon and Arizona? Covered. Traveling to see a specialist at Mayo Clinic or Johns Hopkins? Covered. Moving to a new state? Your Medigap policy goes with you (though premiums may adjust).

With Medicare Advantage, your network is local. If you’re hospitalized out of network — even in an emergency — you may face dramatically higher costs. And if you move to a new state, you may need to enroll in a completely new plan.

Important caveat: If you switch from Medicare Advantage back to Medigap after your initial enrollment window, you may be subject to medical underwriting. Insurers can deny coverage or charge higher premiums based on your health history. This is why the initial choice matters so much.


Who Is Each Plan Best For?

Medicare Advantage is often the right choice if you:

  • Are in good health and don’t anticipate high medical costs
  • Want extra benefits like dental, vision, and hearing
  • Have a limited retirement budget and can’t afford Medigap premiums
  • Live in one location year-round and your preferred doctors are in-network
  • Are comfortable managing copays and network restrictions

Medicare Supplement (Medigap) is often the right choice if you:

  • Have chronic conditions or a family history of serious illness
  • Want complete predictability in your healthcare costs
  • Travel frequently or split time between states
  • Value the freedom to see any Medicare-accepting doctor without referrals
  • Want to eliminate the risk of a catastrophic out-of-pocket year

The Bottom Line: This Decision Deserves Expert Guidance

There is no universally “better” plan — there’s only the right plan for your health profile, financial situation, lifestyle, and risk tolerance. What works perfectly for your neighbor may be exactly wrong for you.

At Legacy Wealth Services, we work with a wide portfolio of carriers across both Medicare Advantage and Medigap plans. We don’t favor one over the other — we favor what’s right for you. We’ll walk you through your options side by side, help you compare real costs based on your situation, and make sure you understand exactly what you’re enrolling in before you sign anything.

Ready to make a confident Medicare decision? Schedule your free, no-pressure Medicare review with Rodney Cummings at Legacy Wealth Services. We serve clients throughout Oregon and nationwide.

📞 503-832-8555 | 📧 rod@legacywealthservices.com 🔗 Schedule Your Free Medicare Review →


Legacy Wealth Services | 16680 SE Pleasant Valley Pkwy, Happy Valley, OR 97086 | OR License #18847712 This content is for educational purposes only and does not constitute personalized insurance advice. Medicare plan availability and costs vary by location and are subject to change annually.