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Medicare Advantage vs Medicare Supplement (Medigap): How to Choose

Two very different paths after Original Medicare. Here's how to think about the trade-offs.

Scott BlackScott Black
May 22, 202610 min read
Medicare Advantage vs Medicare Supplement (Medigap): How to Choose

TL;DR

Medicare Supplement (Medigap) plus Part D generally means higher monthly cost but broad access, predictable bills, and freedom to see any doctor who accepts Medicare. Medicare Advantage generally means lower premiums with copays as you use services, network restrictions, and extras like dental and vision. Neither is universally better — it depends on your health, travel, doctors, and budget.

The Medicare Supplement (Medigap) path

You keep Original Medicare (Parts A and B) and add a Medicare Supplement (Medigap) policy that covers most or all of your out-of-pocket share. You separately add a stand-alone Part D plan for prescriptions. Any doctor or hospital that accepts Medicare accepts your Medicare Supplement (Medigap) plan — no network to navigate.

The trade-off is a higher, predictable monthly premium. In exchange, most Medicare Supplement (Medigap) plans leave you with very few surprise bills.

  • See any doctor nationwide that accepts Medicare.
  • No referrals, no prior authorization for most services.
  • Very predictable out-of-pocket costs.
  • Higher monthly premium; separate Part D drug plan needed.

The Medicare Advantage path

You get your Medicare through a private plan (Part C). Most plans include drug coverage, and many include dental, vision, hearing, and gym benefits. Premiums are often low — sometimes $0 — but you pay copays or coinsurance as you use services, up to a yearly out-of-pocket maximum.

The trade-off is a defined provider network (HMO or PPO), plan-specific formularies, and prior authorization for some services. Plans and benefits also change every year, so an annual review matters.

  • Lower monthly premium; all-in-one design.
  • Extras like dental, vision, hearing, transportation.
  • Yearly out-of-pocket cap.
  • Network restrictions; annual plan changes.

There is no single right answer

Frequent travelers, snowbirds, people with complex specialists, and those who value predictability often prefer Medicare Supplement (Medigap). People who value low premiums, want built-in extras, and are comfortable with a network often prefer Medicare Advantage. A licensed agent can compare both against your specific doctors and medications.

Questions that usually decide it

  • How much do you travel outside Florida each year?
  • Are your doctors in the plan's network?
  • Which of your prescriptions are on the drug formulary, and at what tier?
  • How predictable do you need your monthly costs to be?
  • How much do the extras (dental, vision, hearing) matter to you?
Educational only. This article is provided for general information and does not constitute individualized insurance advice. Medicare plan availability, benefits, premiums, and networks change annually. Scott Black is a licensed insurance agent doing business as Florida Health Resources. We do not offer every plan available in your area. For a complete list of Medicare options, visit Medicare.gov or call 1-800-MEDICARE (TTY: 1-877-486-2048). See our compliance notice.
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