Medicare Supplement
Eligible After 2020? Your Huntsville Medigap Choices
HUNTSVILLE, Ala. — As 2027 approaches, Medigap shoppers in Madison County are looking at the same three moving parts that shape every plan year: which standardized plan letters they can buy, how the annual Part B deductible reset flows through Plans G and N, and what insurers file with the Alabama Department of Insurance for next year's rates. None of that changes the letters on the page — a Plan G is still a Plan G — but it does change the shopping experience.
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Click to call 855-729-3240Key takeaways
- If you became eligible for Medicare on or after January 1, 2020, Plans C and F are off the table; newly eligible enrollees in Huntsville choose from Plans A, B, D, G, G-HD, K, L, M and N.
- Plans G and N are built around the Part B deductible, which resets each January — that reset is what you pay first before your Medigap coverage kicks in for Part B services.
- Medigap premiums are not set by Medicare; Alabama insurers file rate changes with the state, and you can review those filings before you renew or switch.
- The full list of carriers licensed to sell Medigap in Alabama appears in the table below, so you can see who serves the Huntsville market and which plan letters each one offers.
Here is a plain-English look at what is shifting, what is not, and where to check the details for yourself.
What Medigap actually is (and isn't) in 2027
Medigap — also called Medicare Supplement Insurance — is private coverage that pays some of the out-of-pocket costs Original Medicare leaves behind, like coinsurance and hospital costs. It only works alongside Original Medicare (Parts A and B). It is not a Medicare Advantage plan, and it does not include Part D drug coverage; those are separate decisions.
In Alabama, as in most states, Medigap plans are standardized by letter. That means the benefits inside a Plan G sold by one insurer are the same benefits inside a Plan G sold by another. What differs is the premium, the company's customer service, and rules around switching.
Plan-letter eligibility: who can buy what
The biggest structural rule for 2027 is the one that took effect several years ago and still trips people up. If you first became eligible for Medicare on or after January 1, 2020, you cannot buy Plans C or F — the two letters that used to cover the Part B deductible. Everyone else can still keep or, in some cases, buy those plans.
For newly eligible Huntsville residents, that leaves Plans A, B, D, G, G-HD, K, L, M and N. Plan G and Plan N tend to get the most attention because they are the modern equivalents of the older comprehensive plans, but the other letters exist for people who want lower premiums in exchange for more cost-sharing (Plans K and L) or a very different structure (Plan G-HD, the high-deductible version of G).
The Part B deductible reset — why it matters for Plans G and N
Plans G and N are designed around one specific out-of-pocket cost: the annual Part B deductible. You pay that deductible yourself each calendar year, and then the Medigap plan takes over its share of Part B coinsurance.
Every January, that deductible resets to a new federal amount set by CMS. When the number goes up, so does the first bill of the year for many G and N enrollees; when it holds steady, so does that bill. The 2027 figure will be published by CMS in the fall. You can always find the current-year number on medicare.gov.
For high-deductible Plan G (G-HD), the reset matters even more, because you pay significantly more out of pocket before the plan pays anything.
Rate-adjustment season in Alabama
Medigap premiums in Alabama are filed by each insurer with the Alabama Department of Insurance. Rates can change once a year, and they are typically adjusted based on age, claims experience and medical inflation. Medicare does not approve or set those rates.
If your renewal notice arrives and the premium has moved, that is a rate filing at work — not a change to your benefits. Two things to know for the 2027 cycle:
- You can look up filings and rate guides through the Alabama Department of Insurance.
- Outside your one-time Medigap open enrollment window, insurers in Alabama can generally use medical underwriting if you try to switch plans or carriers. That is worth knowing before you shop on price alone.
Your local State Health Insurance Assistance Program (SHIP) counselor can walk you through your specific situation for free.
Insurers entering or leaving the Alabama market
The Medigap carrier list for Alabama is long, and it does shift from year to year as companies file to enter or exit the market. As of the most recent state and Medicare.gov data, the carriers licensed to sell Medigap in Alabama include AARP - UnitedHealthcare Insurance Company, AFLAC, American Benefit Life Insurance Company, Atlantic Capital Life Assurance Company, Bankers Life (Underwritten by Washington National Insurance Company), BlueCross BlueShield of Alabama, Continental Life Insurance Company of Brentwood, Tennessee (Aetna), GPM Health and Life Insurance Company, Guarantee Trust Life Insurance Company, HealthSpring Insurance Company, Humana (Emphesys Insurance Company), Insurance Company of North America, LifeShield National Insurance Company, Lumos Insurance, Mutual of Omaha (Omaha Insurance Company), Nassau Life Insurance Company, New Era Life Insurance Company, Physicians Mutual Insurance Company, Inc., State Farm Mutual Automobile Insurance Company, United American Insurance Company, USAA Life Insurance Company and WoodmenLife.
The full list — including exactly which plan letters each carrier files in Alabama — appears in the table below. Huntsville residents shop from that same statewide list, since Medigap is regulated at the state level, not the county level.
How to check what's changed before you renew
A quick, no-cost checklist for the 2027 season:
1. Use the Medigap policy search at medicare.gov to see plans available in your ZIP code. 2. Check with the Alabama Department of Insurance for current rate filings and consumer rate guides. 3. Call your Alabama SHIP for free, unbiased counseling. 4. Call 1-800-MEDICARE with any question about Original Medicare, plan letters or your rights.
By the numbers
Medicare Part B premium, 2006–2026
The standard monthly Part B premium has climbed from $88.50 in 2006 to $202.90 in 2026. Hover any point for that year’s premium.
Source: CMS. Standard premium shown; in some hold-harmless years many existing enrollees paid less. Confirm at Medicare.gov.
By the numbers
How people get Medicare in Madison County
(MA penetration in Madison County)
MA penetration from CMS enrollment data; Medigap share is an estimate. U.S. average is about 54% Medicare Advantage. These are area-level figures, not plan-specific.
Medicare Supplement (Medigap)
The Medigap plans you can buy in Alabama
Medigap plans are standardized by federal law: a Plan G from one insurer covers the same things as a Plan G from any other. Insurers set their own prices, which are not shown here.
| Plan | What it covers | Open to new enrollees |
|---|---|---|
| Plan A | The basic benefits every Medigap plan includes: Part A hospital coinsurance and up to 365 extra hospital days, Part B coinsurance, the first three pints of blood, Part A hospice coinsurance. | Yes |
| Plan B | Plan A plus the Part A hospital deductible. | Yes |
| Plan C | Plan B plus skilled-nursing coinsurance, the Part B deductible and foreign-travel emergency care. Closed to people newly eligible for Medicare on or after January 1, 2020. | Only if you were eligible before 2020 |
| Plan D | Plan B plus skilled-nursing coinsurance and foreign-travel emergency care (not the Part B deductible). | Yes |
| Plan F | Every standardized benefit, including the Part B deductible and Part B excess charges. Closed to people newly eligible on or after January 1, 2020. A high-deductible version exists. | Only if you were eligible before 2020 |
| Plan G | Every standardized benefit except the Part B deductible (which you pay yourself each year). A high-deductible version (G-HD) pays after you meet a yearly deductible. | Yes |
| Plan K | Pays a share of most cost-sharing (50 percent for several benefits) with a yearly out-of-pocket limit set by federal rules. | Yes |
| Plan L | Like Plan K with a larger share (75 percent) and a lower yearly out-of-pocket limit. | Yes |
| Plan M | Like Plan D but covers half of the Part A hospital deductible. | Yes |
| Plan N | Like Plan G, except a small copayment for some office and emergency-room visits, and it does not cover Part B excess charges. | Yes |
Source: CMS, Medicare Supplement Insurance (Medigap) rules; medicare.gov.
Who sells Medigap here
Medigap insurers in Alabama
Insurers offering Medigap policies in Alabama, listed alphabetically. Prices vary by insurer for the same letter and are not shown here.
- AARP - UnitedHealthcare Insurance Company Plans A, B, C, F, G, K, L, N
- AFLAC Plans A, F, G, N
- American Benefit Life Insurance Company Plans A, F, G, N
- Atlantic Capital Life Assurance Company Plans A, F, G, G-HD, K, N
- Bankers Life (Underwritten by Washington National Insurance Company) Plans A, F, G, G-HD, N
- BlueCross BlueShield of Alabama Plans A
- Continental Life Insurance Company of Brentwood, Tennessee (Aetna) Plans A, B, F, G, G-HD, N
- GPM Health and Life Insurance Company Plans A, F, G, N
- Guarantee Trust Life Insurance Company Plans A, F, G, N
- HealthSpring Insurance Company Plans A, F, G, G-HD, N
- Humana (Emphesys Insurance Company) Plans A, F, G, G-HD, N
- Insurance Company of North America Plans A, F, G, G-HD, N
- LifeShield National Insurance Company Plans A, F, G, N
- Lumos Insurance Plans A, F, G, G-HD, N
- Mutual of Omaha (Omaha Insurance Company) Plans A, F, G, G-HD, N
- Nassau Life Insurance Company Plans A, F, G, N
- New Era Life Insurance Company Plans A, C, F, F-HD, G, G-HD, M, N
- Physicians Mutual Insurance Company, Inc. Plans A, F, G, G-HD, N
- State Farm Mutual Automobile Insurance Company Plans A, C, D, F, G, N
- United American Insurance Company Plans A, B, C, D, F, F-HD, G, G-HD, K, L, N
- USAA Life Insurance Company Plans A, F, G, N
- WoodmenLife Plans A, F, G, G-HD, N
Source: Medicare.gov Medigap policy search. No insurer is ranked or recommended.
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Good to know
Frequently asked questions
Can I still buy Plan F in Huntsville in 2027?
Does Medicare set Medigap prices?
When can I switch Medigap plans?
Is Medigap the same as Medicare Advantage?
- CMS — Medicare Supplement Insurance (Medigap) rules (medicare.gov)
- Medicare.gov Medigap policy search and state insurance-department rate guides
- CMS — Medicare costs & IRMAA (medicare.gov)
For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.
Also for Huntsville
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This page was last updated: September 2026.