Medicare Supplement
Same Plan G, Different Rules: A Clarksville Buyer's Guide
Clarksville, Tenn. — If you are shopping a Medicare Supplement (Medigap) policy in Clarksville, the most important thing to know is this: a Plan G from one insurer covers exactly the same things as a Plan G from any other insurer. The letter is standardized by federal law. What actually differs between companies is how they price that letter, how their rates change over time, whether they offer household discounts, and how strict their health questions are if you apply outside a guaranteed-issue window.
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Speak to a Licensed Insurance Agent
Click to call 855-729-3240Key takeaways
- Every Medigap plan letter (A, B, D, G, G-HD, K, L, M, N) is standardized, so coverage is identical across insurers — only the price, rate history and rules differ.
- Insurers use one of three pricing methods (community-rated, issue-age or attained-age), and each ages differently over time.
- Ask about household discounts and underwriting rules before you apply, especially if you are outside your one-time Medigap Open Enrollment Period.
- Plans C and F are only available to people who became eligible for Medicare before January 1, 2020.
Clarksville is in Montgomery County, and Tennessee residents have a long list of insurers to choose from. Below is a plain-English guide to comparing them without getting lost in sales pitches.
The insurers selling Medigap in Tennessee
The table below lists every insurer selling Medigap in Tennessee and which plan letters each one offers. Well-known names on that list include AARP - UnitedHealthcare Insurance Company, AFLAC, BlueCross BlueShield of Tennessee, Continental Life Insurance Company of Brentwood, Tennessee (Aetna), Farm Bureau Health Plans, Humana (Humana Benefit Plan of Illinois, Inc.), Mutual of Omaha (Omaha Supplemental Insurance Company), State Farm Mutual Automobile Insurance Company and USAA Life Insurance Company, among many others.
You are not limited to a "local" company — any insurer licensed in Tennessee can sell you a policy that works anywhere in the country that accepts Original Medicare.
Same letter, same coverage — always
This is the point that trips up most shoppers. Medigap plans are standardized by the federal government. A Plan N is a Plan N. A Plan G is a Plan G. If two insurers both sell Plan G, the benefits, the deductible you are responsible for, and the copays are identical.
So when you compare two insurers on the same letter, you are really comparing four things:
1. The price today. 2. How that price is set (the pricing method). 3. The insurer's history of raising rates. 4. Discounts and underwriting rules.
The three pricing methods
Tennessee allows insurers to price Medigap policies in any of three ways, and this matters more than most people realize:
- Community-rated (no-age-rated). Everyone with the policy pays the same base rate regardless of age. Rates can still go up because of inflation, but not because you had a birthday.
- Issue-age-rated. Your rate is based on how old you were when you bought the policy. A 65-year-old buyer locks in a lower base than a 70-year-old buyer. Rates can still rise with inflation, but not with your age.
- Attained-age-rated. Your rate is based on your current age and goes up as you get older, on top of any inflation increases. These often start out as the cheapest option and become the most expensive over time.
Ask each agent or insurer, in writing, which method they use. Two policies that look similar today can look very different at age 80.
Rate history: the question most people forget
Federal law does not cap Medigap rate increases. Tennessee's Department of Commerce and Insurance publishes an annual Medicare Supplement rate guide that shows how each insurer has raised rates in recent years. Before you sign, ask:
- What have your Plan [letter] rate increases looked like the last three to five years in Tennessee?
- Is that history available in writing?
An insurer with a low introductory rate and a pattern of steep annual hikes may not be the bargain it looks like.
Household discounts
Several Medigap insurers in Tennessee offer a household or spousal discount — often a percentage off the premium if you live with another adult, whether or not that person also buys a policy from the same company. The size of the discount, and who qualifies, varies by insurer. It is worth asking every company on your short list.
Underwriting: when health questions apply
During your one-time, six-month Medigap Open Enrollment Period — which starts the month you are 65 or older and enrolled in Part B — insurers must sell you any Medigap policy they offer, at their standard rate, regardless of your health. This is called guaranteed issue.
Outside that window (for example, if you are switching from Medicare Advantage back to Original Medicare later on), most insurers can ask health questions and can decline you or charge more. Underwriting rules are not identical from company to company. Some are stricter about specific conditions than others. If you are shopping outside your open enrollment window, ask each insurer what its underwriting looks like before you apply, so a denial does not show up on your record.
Tennessee also has some limited guaranteed-issue situations (for example, if your employer coverage ends). The Tennessee SHIP counselors can walk you through whether you qualify.
How to actually compare
A practical approach:
1. Pick the plan letter that fits your budget and coverage style (many newly eligible shoppers look at G, G-HD or N). 2. Use the Medicare.gov Medigap policy search — enter your ZIP code and the letter — to pull the list of insurers. 3. Cross-check against Tennessee's rate guide for rate-increase history. 4. Call three or four insurers or an independent broker and ask each: pricing method, most recent rate increases, household discount, and any underwriting questions that apply to you. 5. Only then compare the actual quotes.
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 Montgomery County
(MA penetration in Montgomery 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.
Who sells Medigap here
Medigap insurers in Tennessee
Insurers offering Medigap policies in Tennessee, 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
- AARP - UnitedHealthcare Insurance Company of America Plans A, F, G, N
- AFLAC Plans A, F, G, N
- American Benefit Life Insurance Company Plans A, F, G, N
- Bankers Fidelity Assurance Company Plans A, F, F-HD, G
- Bankers Life (Underwritten by Washington National Insurance Company) Plans A, F, G, G-HD, N
- BlueCross BlueShield of Tennessee Plans A, C, D, F, G, N
- Continental Life Insurance Company of Brentwood, Tennessee (Aetna) Plans A, B, F, G, G-HD, N
- Erie Family Life Insurance Company Plans A, F, G, N
- Farm Bureau Health Plans Plans A, D, G, N
- Globe Life and Accident Insurance Company Plans A, 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 (Humana Benefit Plan of Illinois, Inc.) Plans A, F, G, G-HD, N
- Humana Achieve (CompBenefits 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
- Medico Insurance Company Plans A, F, F-HD, G, G-HD, N
- Mutual of Omaha (Omaha Supplemental Insurance Company) Plans A, F, G, G-HD, N
- Nassau Life Insurance Company Plans A, F, G, N
- New Era Life Insurance Company of the Midwest Plans A, C, D, F, F-HD, G-HD, M, N
- Physicians Select Insurance Company Plans A, F, G, G-HD
- SilverScript Insurance Company Plans A, B, F, G, 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
- Wisconsin Physicians Service Insurance Corporation Plans A, C, F, G, N
- WoodmenLife Plans A, F, G, G-HD, N
Source: Medicare.gov Medigap policy search. No insurer is ranked or recommended.
Medicare Supplement (Medigap)
The Medigap plans you can buy in Tennessee
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.
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Enrollment windows are federal and the same nationwide. Confirm your personal dates at Medicare.gov or 1-800-MEDICARE.
Good to know
Frequently asked questions
Is a Plan G from a big-name insurer better than a Plan G from a smaller one?
Can I still buy Plan F in Tennessee?
When can I switch Medigap insurers without answering health questions?
Where can I get unbiased help in Clarksville?
- Medicare.gov Medigap policy search and state insurance-department rate guides
- CMS — Medicare Supplement Insurance (Medigap) rules (medicare.gov)
For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.
Also for Clarksville
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This page was last updated: September 2026.