Key Takeaways
- Medigap premiums range from $80–$300+/month depending on plan, age, and location
- Without Medigap, a single hospital stay can cost thousands in out-of-pocket expenses
- Plan G typically offers the best value for comprehensive coverage
Why Cost vs. Value Matters for Medicare Supplements
Original Medicare covers about 80% of approved medical costs. The remaining 20% - with no out-of-pocket maximum - can accumulate quickly for anyone with significant healthcare needs. A Medigap plan trades a predictable monthly premium for protection against unpredictable, potentially catastrophic costs.
How Medicare Supplements Are Priced
Medigap premiums are determined by three pricing methods: community-rated (same price for everyone), issue-age-rated (based on age when you first enroll), and attained-age-rated (increases as you age). Attained-age plans often start cheapest but can become the most expensive over time.
| Pricing Method | How It Works | Best For |
|---|---|---|
| Community-rated | Same premium for all ages | Older enrollees |
| Issue-age-rated | Based on age at enrollment | Younger enrollees planning ahead |
| Attained-age-rated | Increases as you age | Short-term savings only |
What Medicare Supplements Cover That Original Medicare Does Not
Part A hospital deductible ($1,736 per benefit period in 2026)
Part B coinsurance (20% of all outpatient costs)
Skilled nursing facility coinsurance
Part B excess charges (with Plan G)
Foreign travel emergency coverage (Plans C, D, F, G, M, N)
Comparing Premium Cost to Potential Out-of-Pocket Savings
A Plan G premium of $150/month ($1,800/year) may seem significant. But a single hospital stay under Original Medicare alone could cost $1,736 in Part A deductible plus 20% of all physician fees. For anyone with two or more hospitalizations per year, or ongoing specialist care, Medigap typically pays for itself.
Understanding Plan Options and Coverage Levels
Plan G is the most comprehensive plan available to new Medicare enrollees (those who turned 65 after January 1, 2020). Plan N offers lower premiums with small copays for office visits and emergency room visits. High-deductible Plan G provides very low premiums with a $2,950 deductible in 2026.
Long-Term Financial Value of Medigap Coverage
Beyond the math, Medigap provides peace of mind - the ability to see any Medicare-accepting doctor or specialist nationwide without network restrictions, referrals, or surprise bills. For retirees on fixed incomes, predictable healthcare costs are often worth a premium.
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