5 Reasons Retirees Should Choose Medigap Plan G Over Medicare Advantage in 2026

A new Medicare enrollee at age 65 must choose between Original Medicare with Medigap Plan G plus a standalone Part D plan, or a Medicare Advantage plan that bundles coverage. Medicare Advantage can appear cheaper because average premiums are around $14 per month, while Medigap Plan G premiums are typically about $180 to $250 per month. The cost picture changes when health needs increase. In a bad year, Medicare Advantage can require up to $9,350 in-network out-of-pocket spending, and up to $14,000 when out-of-network care is involved. With Medigap Plan G, after the Part B deductible of $283, covered-service exposure is essentially zero. Predictability is especially important amid inflation and tighter household finances.

"A healthy 65-year-old aging into Medicare faces a choice: stick with Original Medicare and buy a Medigap Plan G supplement plus a standalone Part D drug plan, or sign up for a Medicare Advantage (Part C) plan that bundles everything. The trap is that the cheaper option today can become far more expensive the year you get a cancer diagnosis or need a hip replacement."

"Choosing Advantage saves a healthy retiree roughly $2,000 a year in premiums compared with Plan G. An in-network bad year can cost $9,350 out of pocket, and serious illness involving out-of-network specialists can push that to $14,000. With Plan G, after the $283 Part B deductible, your covered-service exposure for the year is essentially zero."

"This is the single biggest financial decision most new retirees make in their first year of Medicare, and the default choice (cheapest premium) is often the wrong one. On paper, Advantage looks cheaper. The math changes once you actually get sick."

"Predictability matters in 2026. Core PCE inflation is running around 3 to 3.2% year over year. The household savings rate has slid from 5.8% in mid-2024 to 4% today, and consumer sentiment sits at a recessionary 49.8. Fixed-income retirees have less cushion to absorb a $9,000 surprise medical bill."

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