Medicare Advantage

Original Medicare vs Medicare Advantage.

Original Medicare (Parts A and B, usually paired with a Medigap supplement and a standalone Part D plan) lets you see any doctor or hospital in the U.S. that accepts Medicare, with the most predictable out-of-pocket costs after premiums. Medicare Advantage (Part C) bundles everything into one private plan, often at a $0 monthly premium with extras like dental, vision, and gym membership — but restricts you to a network of providers and may require prior authorization for certain services.

Updated May 2026

Reviewed by Evan Baker, Licensed CA Medicare Broker (Lic. #6014079)

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The big-picture difference

Original Medicare is the federal program—Parts A and B—run directly by Medicare. You can see any provider that accepts Medicare nationwide. There's no network and no prior authorization. But there's also no out-of-pocket cap, so most people add a Medigap plan and a Part D plan on top.


Medicare Advantage is an alternative way to get the same A + B coverage—through a private plan that contracts with Medicare. It's network-based, often includes drug coverage and extras, and has a built-in out-of-pocket cap. But you're tied to the plan's network and rules.

Who pays for it?

Medicare is funded by a mix of payroll taxes (the 1.45% Medicare tax you've seen on every paycheck), beneficiary premiums, and general federal revenue. Part A is mostly paid for by your past payroll taxes. Part B is roughly 25% beneficiary premium and 75% federal revenue. Part C and Part D are paid for through a mix of premiums and government payments to private carriers.

Side-by-side

Original Medicare + Medigap + Part D Medicare Advantage
Premium Part B ($202.90) + Medigap (~$130–220) + Part D (~$39) = ~$380/mo Part B ($202.90) + plan ($0–$80) = ~$185/mo
Network Any provider that accepts Medicare nationwide Plan-specific HMO/PPO network
Out-of-pocket cap None on Parts A/B (Medigap caps it) $9,250 in-network max in 2026
Drug coverage Separate Part D plan Usually built in (Medicare Advantage with Part D (MAPD))
Dental / vision / hearing Not covered (separate plans) Often included
Prior authorization Rare Common for specialists, imaging, procedures
Travel / out-of-state Covered nationwide Emergency only outside network
Annual changes Stable structure Plans change every year

Who tends to do better with Original + Medigap + Part D

  • People who travel frequently or split time between states
  • People with complex medical needs who want maximum provider choice
  • People who prioritize predictable costs over low premium
  • People near major medical centers who want access to any specialist

Who tends to do better with Medicare Advantage

  • People comfortable staying in-network
  • People who value bundled extras (dental, vision, fitness, OTC allowance)
  • People with limited monthly cash flow (low premium matters)
  • People who don't take many specialty drugs and don't need lots of out-of-state care

The honest answer

Neither path is universally "better." We've seen both work great—and we've seen both fail when chosen for the wrong reasons. The right comparison is plan-by-plan in your zip code, against your doctors and meds. We'll do that comparison with you at no cost.

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