Quick Answer
The top Medicare Supplement insurance companies for 2026 include AARP/UnitedHealthcare, Mutual of Omaha, Aetna, Cigna, Humana, Blue Cross Blue Shield, Anthem, Transamerica, Manhattan Life, and Physicians Mutual. Because Medigap benefits are standardized by the federal government, the same plan letter (e.g., Plan G) covers the same benefits regardless of which company you choose. What differs between carriers is price, financial stability, customer service, and available discounts - so comparing companies is essential to finding the best value.
Coverage Comparison by Plan Type
| Plan Type | Coverage | Notes |
|---|---|---|
| AARP / UnitedHealthcare | A+ | Largest Medigap insurer in the U.S. by enrollment. Community-rated pricing in most states. AARP membership required ($16/year). Available in all 50 states. |
| Mutual of Omaha | A+ | Highly rated for customer service and financial strength. Competitive Plan G and Plan N pricing. Household discount available. Available in most states. |
| Aetna | A | Competitive pricing, especially for Plan G. Strong financial ratings. Available in most states. Part of CVS Health. |
| Cigna | A | Competitive rates for Plan G and Plan N. Household discount available. Available in most states. |
| Humana | A- | Wide availability and competitive pricing. Offers dental/vision bundles in some states. Strong brand recognition. |
| Blue Cross Blue Shield | Varies by state | BCBS operates through independent state affiliates. Availability and pricing vary significantly by state. Strong local presence in many markets. |
| Anthem | A | BCBS affiliate operating in 14 states. Competitive pricing and strong financial ratings in its service area. |
| Transamerica | A | Competitive pricing for Plan G and Plan N. Household discount available. Available in most states. |
| Manhattan Life | A- | Competitive rates, especially for older applicants. Available in most states. Good option for those who missed their OEP. |
| Physicians Mutual | A+ | Highly rated for customer service. Competitive pricing for Plan D and Plan G. Available in most states. No rate increases for 10+ years in many markets. |
Understanding Your Coverage Options
Why Medigap Benefits are Standardized
Federal law standardizes Medigap plan benefits. Every Plan G sold in a given state covers exactly the same benefits - whether you buy it from AARP/UnitedHealthcare, Mutual of Omaha, or any other carrier. The same is true for Plan N, Plan F (for those eligible before January 1, 2020), and all other standardized plan letters.
This standardization means that when you compare Medigap companies, you are not comparing what is covered - you are comparing price, financial stability, customer service, and available discounts. A lower premium for the same plan letter is real savings, as long as the company is financially sound.
What It Covers
- All Plan G policies cover the same benefits regardless of carrier
- All Plan N policies cover the same benefits regardless of carrier
- Standardization applies in all states except Massachusetts, Minnesota, and Wisconsin (which have their own Medigap standards)
What It Doesn't Cover
- Carrier choice does not affect what is covered - only price, service, and stability differ
- Massachusetts, Minnesota, and Wisconsin use different standardized plans - compare carefully in those states
$ Medigap premiums for the same plan letter can vary by 50% or more between carriers in the same zip code. Always compare at least 3–5 carriers before enrolling.
Same Benefits, Different Prices - Always Compare
Because Plan G benefits are identical across all carriers, the only reason to pay more is if a higher-priced company offers meaningfully better service or financial stability. In most cases, shopping around can save hundreds of dollars per year with no difference in coverage.
How to Evaluate a Medigap Carrier
When comparing Medigap insurance companies, there are five key factors to evaluate: financial strength ratings, pricing method, rate increase history, available discounts, and customer service ratings. Each of these can significantly affect your long-term costs and experience.
Financial strength ratings from AM Best, Moody's, or Standard & Poor's indicate how likely a company is to pay claims. Look for ratings of A- or higher. Pricing method (community-rated, issue-age-rated, or attained-age-rated) determines how your premiums will change as you age. Rate increase history shows how aggressively a carrier has raised premiums in the past - a company with a history of large annual increases may cost more over time even if its initial premium is lower.
What It Covers
- AM Best financial strength rating (look for A- or higher)
- Pricing method: community-rated (same price for all ages), issue-age-rated (based on age at enrollment), or attained-age-rated (increases as you age)
- Rate increase history: how much premiums have risen annually over the past 5–10 years
- Available discounts: household/spousal discounts (typically 5–12%), annual payment discounts, electronic funds transfer discounts
- Customer service: complaint ratios from the NAIC, J.D. Power ratings, and online reviews
What It Doesn't Cover
- Carrier reputation does not affect what your plan covers - benefits are standardized
- A lower initial premium is not always the best long-term value if the carrier has a history of large rate increases
$ Household discounts of 5–12% are available from most major carriers if you and a spouse or domestic partner both enroll. This can save $200–$500+ per year per person.
Ask about Rate Increase History
Before enrolling, ask the carrier or your broker for the plan's rate increase history over the past 5–10 years. A carrier with consistent 3–5% annual increases may be a better long-term value than one with a low initial premium but 8–10% annual increases.
Pricing Methods: Community vs. Issue-Age vs. Attained-Age
The pricing method a Medigap carrier uses determines how your premium changes as you age. There are three methods: community-rated (same premium for all enrollees regardless of age), issue-age-rated (premium based on your age when you first enroll and does not increase due to age), and attained-age-rated (premium increases as you get older).
Community-rated plans (used by AARP/UnitedHealthcare and carriers in states like New York and Connecticut) can be more expensive at age 65 but may be more affordable at older ages. Attained-age-rated plans often have the lowest initial premiums but can become significantly more expensive by your 70s and 80s. Issue-age-rated plans fall in between - your premium is locked to your enrollment age and only increases due to inflation and claims, not aging.
What It Covers
- Community-rated: same premium for all ages in the pool - no age-based increases
- Issue-age-rated: premium set at enrollment age, increases only for inflation/claims
- Attained-age-rated: lowest initial premium but increases annually as you age
What It Doesn't Cover
- No pricing method eliminates all premium increases - all methods are subject to rate adjustments for claims and inflation
- Pricing method availability varies by state - not all methods are available in every state
$ When comparing carriers, ask specifically which pricing method they use. A licensed Medicare broker can run a long-term cost projection to show you total estimated premiums over 10–15 years under each pricing method.
Attained-Age Pricing Can be Costly Long-Term
Attained-age-rated plans often look attractive at age 65 due to low initial premiums, but premiums can increase significantly by age 75–80. Over a 15-year period, an attained-age plan may cost more in total than a community-rated or issue-age plan, even if it starts cheaper.
Top Medigap Carriers at a Glance (2026)
| Carrier | AM Best Rating | Pricing Method | Household Discount | Notable Feature |
|---|---|---|---|---|
| AARP / UnitedHealthcare | A+ | Community-rated (most states) | Yes | Largest Medigap insurer; AARP membership required |
| Mutual of Omaha | A+ | Attained-age / Issue-age (varies) | Yes | Strong customer service; competitive Plan G/N rates |
| Aetna | A | Attained-age (most states) | Yes | Competitive Plan G pricing; part of CVS Health |
| Cigna | A | Attained-age (most states) | Yes | Competitive Plan N rates; strong financial backing |
| Humana | A- | Attained-age (most states) | Yes | Dental/vision bundles available in some states |
| Blue Cross Blue Shield | Varies by affiliate | Varies by state | Varies | Strong local presence; state-specific plans |
| Anthem | A | Attained-age (most states) | Yes | BCBS affiliate; strong in 14-state service area |
| Transamerica | A | Attained-age (most states) | Yes | Competitive rates; long history in life/health insurance |
| Manhattan Life | A- | Attained-age (most states) | Yes | Competitive for older applicants; available after OEP |
| Physicians Mutual | A+ | Attained-age (most states) | No | Top-rated customer service; stable rate history |
✦ Important Considerations When Choosing a Carrier
Price is not the Only Factor
While premium cost is important, it should not be the only factor. A carrier with a slightly higher premium but a history of modest rate increases, strong financial ratings, and excellent customer service may be a better long-term value. Consider the total cost over 10–15 years, not just the first-year premium.
Long-term rate increase history matters as much as the initial premium
Carrier Availability Varies by State
Not all carriers are available in every state. Some carriers have strong presence in certain states but limited availability in others. Blue Cross Blue Shield, for example, operates through independent state affiliates with varying plan offerings and pricing. Always check availability in your specific state and zip code.
Always check carrier availability in your specific state before comparing premiums
Your Enrollment Timing Affects Your Options
During your Medigap Open Enrollment Period (OEP), you can choose any carrier without medical underwriting. Outside your OEP, carriers can use medical underwriting, which may limit your options if you have pre-existing conditions. Some carriers are more lenient in underwriting than others - a licensed Medicare broker can help identify which carriers are most likely to approve your application.
Outside your OEP, carrier underwriting standards vary - some are more lenient than others
✦ Frequently Asked Questions
David Haass
AuthorDavid Haass is a Medicare content writer at MedicareFAQ with extensive experience explaining Medicare benefits, enrollment, and coverage options to beneficiaries.
Ashlee Zareczny
ReviewerAshlee Zareczny is the Compliance and Editorial Manager at MedicareFAQ, ensuring all Medicare content is accurate, up-to-date, and compliant with CMS guidelines.