Best Medicare Supplement Plans 2027: Compare G, N and HDG
The best Medicare Supplement plans 2027 choice depends on the premium you can confirm in your state and how much cost-sharing you can absorb: Plan G offers broader cost-sharing coverage than Plan N, while High-Deductible Plan G trades a lower premium for a substantial deductible before the policy pays. Compare annual premiums plus out-of-pocket costs, and confirm 2027 figures when CMS publishes them.
What is the best Medicare Supplement plan for 2027?
The best Medicare Supplement plan for 2027 is the one whose verified local premium and cost-sharing fit your expected use and budget. There is no universally best letter: Plan G, Plan N, and High-Deductible Plan G arrange costs differently, and the sources do not publish a nationwide 2027 premium ranking.
Start with the cost-sharing, then put the insurer’s actual annual quote beside it. Original Medicare generally has no annual out-of-pocket spending limit, according to CMS’s Medicare Costs information. A Medigap policy can therefore affect financial exposure, but the premium is only one part of the comparison; you also continue paying your Medicare Part B premium.
CMS’s Medicare.gov comparison says Plan G and Plan N do not cover the Part B deductible. Plan N also includes copayments of up to $20 for some office visits and up to $50 for emergency-room visits when you are not admitted as an inpatient. For 2026, the standard Part B deductible was $283 and the standard monthly Part B premium was $202.90, according to CMS; these are 2026 figures, not confirmed 2027 amounts, and income-related adjustments can raise the Part B premium.
| Option | Who it may suit | Cost information | Key limitation |
|---|---|---|---|
| Plan G | Someone comparing broader cost-sharing coverage against Plan N’s copayments | 2027 premium: not published; request a state- and ZIP-code-specific insurer quote | Does not cover the Part B deductible |
| Plan N | Someone weighing its premiums against office-visit and emergency-room copayments | 2027 premium: not published; request a state- and ZIP-code-specific insurer quote | Does not cover the Part B deductible; copayments may apply |
| High-Deductible Plan G | Someone comparing a lower-premium option with the ability to pay covered costs up to the deductible | 2027 premium and deductible: not published in the cited sources; 2026 deductible benchmark: $2,950 | In 2026, the policy paid nothing toward Medicare-covered costs until the deductible was met |
CMS states that in 2026 a High-Deductible Plan G policy required the beneficiary to pay $2,950 in Medicare-covered costs before the policy paid anything. Treat that as a 2026 benchmark only. CMS says Medicare-covered cost-sharing figures for 2027 should be confirmed when final amounts are published.
Is Plan G or Plan N a better deal for me in 2027?
Plan G or Plan N is the better deal in 2027 only after you compare the annual premium difference with the cost-sharing Plan N may leave you to pay. The deciding calculation is not simply “which monthly quote is lower?” It is the premium for the year plus the cost-sharing the policy does not cover.
Plan N’s specified office-visit and emergency-room copayments are capped at the amounts Medicare.gov lists, while both Plan N and Plan G leave the Part B deductible uncovered. The 2026 Part B deductible was $283 according to CMS; that amount is not a confirmed 2027 figure. Use the final 2027 CMS amount once available rather than carrying a prior-year number forward.
Benefits for a given Medigap letter are the same across insurers in most states, according to Medicare.gov, but premiums can differ substantially. That standardization makes the comparison practical: compare Plan N with Plan N and Plan G with Plan G, then consider the premium and plan-specific cost-sharing. Do not mistake a lower premium from one company for a different set of standardized benefits.
How much could I save with High-Deductible Plan G, and what would I pay out of pocket?
How much you could save with High-Deductible Plan G cannot be calculated from the cited sources because they do not provide 2027 premiums or a premium difference against standard Plan G. The potential trade-off is clear, however: a lower premium is paired with a large deductible that you must meet before the policy pays toward Medicare-covered costs.
For 2026, Medicare.gov set that deductible at $2,950 and said the policy pays nothing toward covered costs until it is met. This is not a confirmed 2027 deductible. Compare the annual premium savings shown in actual quotes with the deductible and the covered costs you may need to pay; do not assume the previous year’s deductible or premium difference will hold for 2027.
A useful comparison worksheet has three lines for each option: annual policy premium, cost-sharing you may pay, and applicable deductible or copayments. Add only figures supported by your insurer quote or final CMS information. Because the standard Part B premium is separate from Medigap and can be higher with income-related adjustments, keep it distinct in the worksheet rather than treating it as part of the plan premium.
How do I compare Medigap premiums from different insurance companies in my state?
Compare Medigap premiums by requesting quotes for the same plan letter and coverage area from insurers that sell policies in your state. Medicare.gov describes its displayed costs as estimates and advises consumers to request an insurer quote; premiums can vary by insurer, plan, location, and other factors.
Use this checklist to make the comparison consistent:
- Check local availability. Confirm that each company sells the plan letter in your state and ZIP code. State insurance department resources and the State Health Insurance Assistance Program (SHIP) can help with local information and complaints.
- Ask how the price is set. The Medicare.gov and National Association of Insurance Commissioners guide describes community-rated, issue-age-rated, and attained-age-rated pricing. The method affects what you pay now and in the future; premiums may still increase for reasons other than age.
- Request rate history. Ask how much premiums rose in the prior three years and, for attained-age pricing, how often premiums rise with age. A quote is a present price, not a promise that premiums will remain unchanged.
- Check discounts and quote assumptions. Ask about available discounts and whether the quote reflects your underwriting status or a high-deductible option. Compare like with like rather than combining different plan letters or pricing assumptions.
- Confirm the final 2027 figures. CMS’s cited information gives 2026 cost benchmarks and says 2027 amounts should be checked once published. Verify final Medicare cost-sharing figures and request current insurer quotes before making a 2027 comparison.
Choosing a policy also means checking whether you can change it later. Federal Medigap Open Enrollment generally lasts six months beginning when a person is both at least 65 and enrolled in Part B, according to the CMS and NAIC guide. Outside that period, guaranteed-issue rights apply only in specified situations. Medicare.gov says an insurer willing to sell a new policy may ask medical questions or charge more, and state rules may offer additional opportunities. Keep an existing policy in force until the replacement is secured; a new policy may impose a waiting period of up to six months for pre-existing conditions or new benefits in some circumstances.
Frequently Asked Questions
Can the same Medigap plan letter cost different amounts from different insurers?
Yes. Medicare.gov says benefits for the same plan letter are generally standardized in most states, but premiums can differ substantially by insurer and location. Request insurer quotes for the same plan letter in your ZIP code.
What should I check about an insurer’s rate increases and premium pricing method before choosing?
Ask whether the policy is community-rated, issue-age-rated, or attained-age-rated, and how that method affects premiums over time. Medicare.gov and the NAIC guide also recommend asking how much premiums rose in the prior three years, how often attained-age premiums rise, and whether discounts are available.
Does Plan G cover the 2027 Part B deductible?
No. Plan G does not cover the Part B deductible, and federal rules do not allow Medigap plans sold to people new to Medicare on or after January 1, 2020, to cover it. CMS has not finalized the 2027 deductible in the cited information; confirm the amount when CMS publishes it.
Can I switch Medigap insurers later if my premium goes up?
Possibly, but outside the six-month federal Medigap Open Enrollment Period, switching is generally not guaranteed unless a guaranteed-issue right applies. An insurer may require medical questions or charge more, and state rules may offer additional opportunities. Do not cancel the existing policy until the replacement is secured.
Sources
- Centers for Medicare & Medicaid Services (Medicare.gov), Compare Medigap Plan Benefits
- Centers for Medicare & Medicaid Services (Medicare.gov), Get Medigap Costs
- Centers for Medicare & Medicaid Services and National Association of Insurance Commissioners, Choosing a Medigap Policy
- Centers for Medicare & Medicaid Services (Medicare.gov), Can I switch or drop my Medigap policy?
- Centers for Medicare & Medicaid Services (Medicare.gov), Medicare Costs
- Kentucky Department of Insurance, Medicare Supplement Guide (2026)
Disclaimer: This article is for general information only and is not financial advice. It does not take your personal circumstances into account, and past performance does not predict future results. Speak to a licensed financial professional before making money decisions.
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