Medigap in New Hampshire: 2026 Average Premiums
| Plan | Estimated Monthly Premium | Part A Deductible | Part B Coinsurance |
|---|---|---|---|
| Plan G (most popular) | $162/month | Covered | 100% covered |
| Plan N | $133/month | Covered | Covered (with copays up to $20) |
| Plan F (pre-2020 only) | $186/month | Covered | 100% covered |
| Plan K | $73/month | 50% covered | 50% covered |
| Plan L | $97/month | 75% covered | 75% covered |
Medicare Supplement Insurance in New Hampshire
Medicare Supplement (Medigap) insurance fills the gaps in Original Medicare coverage in New Hampshire. The most popular plan — Plan G — has an average monthly premium of $162 in New Hampshire, covering the Part A deductible ($1,676 per benefit period in 2026), Part B coinsurance (20% of all covered services), skilled nursing facility coinsurance, and foreign travel emergency coverage. The only gap Plan G leaves is the Part B deductible ($240/year).
Medigap Plan Comparison in New Hampshire
| Benefit | Plan G | Plan N | Plan F* | Plan K | Plan L |
|---|---|---|---|---|---|
| Part A coinsurance and hospital costs | ✓ | ✓ | ✓ | ✓ | ✓ |
| Part B coinsurance/copayment | ✓ | ✓ (copays) | ✓ | 50% | 75% |
| Blood (first 3 pints) | ✓ | ✓ | ✓ | 50% | 75% |
| Part A hospice coinsurance | ✓ | ✓ | ✓ | 50% | 75% |
| Skilled nursing facility coinsurance | ✓ | ✓ | ✓ | 50% | 75% |
| Part A deductible | ✓ | ✓ | ✓ | 50% | 75% |
| Part B deductible | ✗ | ✗ | ✓ | ✗ | ✗ |
| Part B excess charges | ✓ | ✗ | ✓ | ✗ | ✗ |
| Foreign travel emergency (80%) | ✓ | ✓ | ✓ | ✗ | ✗ |
| Estimated monthly premium in New Hampshire | $162 | $133 | $186* | $73 | $97 |
*Plan F is only available to people who became eligible for Medicare before January 1, 2020.
When to Buy Medigap in New Hampshire
The best time to buy Medigap in New Hampshire is during your 6-month Medigap Open Enrollment Period, which begins the month you turn 65 and are enrolled in Medicare Part B. During this period, insurers in New Hampshire cannot deny you coverage or charge higher premiums based on pre-existing conditions. After this window closes, insurers can use medical underwriting in most states, potentially denying coverage or charging significantly higher premiums.
Medigap vs. Medicare Advantage in New Hampshire
Choosing between Medigap and Medicare Advantage in New Hampshire depends on your health needs and preferences. Medigap + Part D gives you nationwide provider access, predictable costs, and no prior authorization requirements — ideal for people with complex health needs or who travel frequently. Medicare Advantage (average premium: $15.8/month in New Hampshire) typically has lower premiums but network restrictions and prior authorization requirements. The average MA plan in New Hampshire is rated 4.0 stars by CMS.
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