By Steve Donohue, NH Medicare Insurance Agent Updated: March 2026
As the New Hampshire senior population continues to grow, choosing the right Medicare Supplement (Medigap) plan is more critical than ever. While there are numerous insurers offering Medigap plans in the Granite State today, a few key players continue to hold the majority of the market.
New Hampshire’s Evolving Market
Based on the latest data from the National Association of Insurance Commissioners (NAIC) experience report dated September 10, 2025, there are now over 105,470 people covered in New Hampshire utilizing individual and group Medicare Supplement policies. This represents a significant portion of the state's senior population, reflecting a continued preference for the stability of Medigap coverage.
2026 Market Leaders: Who Owns the Most Share?
The most recent reporting on direct premiums earned and enrollment shows that the market remains led by a few major carriers:
Why Market Share Matters in 2026
In 2026, we are seeing a significant shift in the New Hampshire landscape. With "Medicare Advantage Pullbacks" affecting many residents, more Granite Staters are returning to Original Medicare paired with a Medicare Supplement plan.
- Anthem Blue Cross Blue Shield remains the dominant leader, with over one in three NH Medigap policyholders choosing their plans.
- UnitedHealthcare holds the second-largest position, capturing 25.5% of the market.
Other notable players include Harvard Pilgrim and Aetna, which combined represent over 14% of the total market.
Get a Professional Review
Navigating the various insurers in New Hampshire can be overwhelming. If you or a loved one needs help comparing the latest Medigap rates for Plan G, Plan N, or other options, please Call us today: 603-882-2909
If you would like a to see an overview of the NH Medicare Supplement market for you, or a loved one, please call us at 603-882-2909. You may also request a NH Medicare Supplement ONLINE quote HERE.
Atlantic Insurance & Benefit Co. specializes in all kinds of insurance for seniors, including Home, Car, Umbrella, Medicare Supplement and Medicare Advantage.














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