Medicare Supplement
Medigap in Elk Grove: how the same Plan G can look different from insurer to insurer
Elk Grove shoppers looking at a Medicare Supplement policy often notice something confusing: the same plan letter — say, Plan G — is sold by more than a dozen insurers in California, and the paperwork can look wildly different from one company to the next. The coverage itself is not what changes. What changes is how each insurer prices the policy, how it raises rates over time, whether it offers a household discount, and how strict it is about your health history if you apply outside a guaranteed-issue window.
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Click to call 855-729-3240Key takeaways
- A Medigap plan letter is standardized, so Plan G at one insurer covers the same things as Plan G at any other insurer selling in California.
- What differs between insurers is the pricing method (attained-age, issue-age or community-rated), rate history, household discounts and medical underwriting outside your open enrollment.
- California has a "birthday rule" that lets you switch to an equal or lesser Medigap plan each year around your birthday without new underwriting.
- Use Medicare.gov's Medigap policy search and the California Department of Insurance rate guide to compare the same letter across insurers before you apply.
Elk Grove is in Sacramento County, and California residents can choose from the same statewide roster of Medigap insurers listed further down this page. Here is how to compare them fairly, without getting stuck on a single sticker number.
The same letter is the same coverage — by law
Medigap plans are standardized by the federal government. That means Plan G from one insurer pays exactly what Plan G from another insurer pays. A hospital deductible covered by Plan G is covered the same way no matter whose name is on the card.
People newly eligible for Medicare today can choose from Plans A, B, D, G, G-HD, K, L, M and N. Plans C and F are only available to people who were eligible for Medicare before January 1, 2020.
Because coverage is fixed, the real comparison is about price behavior, discounts, underwriting and service — not benefits.
The Medigap insurers selling in California
The table below lists every insurer selling Medigap in California and the plan letters each one offers. In alphabetical order, they are: AARP - UnitedHealthcare Insurance Company; AFLAC; American Retirement Life Insurance Company (CIGNA); Anthem BlueCross - California; Bankers Life (Underwritten by Washington National Insurance Company); Blue Shield of California Life & Health Insurance Company; Continental Life Insurance Company of Brentwood, Tennessee (Aetna); Everence Association Inc.; Humana (Humana Insurance Company); Insurance Company of North America; Lumos Insurance; Mutual of Omaha (United World Life Insurance Company); State Farm Mutual Automobile Insurance Company; United American Insurance Company; and USAA Life Insurance Company.
Not every insurer sells every letter. If you have your eye on a specific plan letter, start by narrowing the list to the insurers that actually offer it.
Three ways insurers set the price
When you compare quotes for the same plan letter, ask each insurer which of these three pricing methods it uses. This one detail explains a lot about how your rate will move over time.
- Attained-age rated. The premium is based on your current age and generally goes up as you get older, in addition to any across-the-board rate increases.
- Issue-age rated. The premium is based on your age when you first bought the policy. It won't rise just because you had a birthday, though it can still go up for other reasons.
- Community-rated (also called "no-age-rated"). Everyone who has the policy pays the same base rate, regardless of age.
A policy that looks cheaper today because it is attained-age rated may not stay that way in your late 70s. Ask each insurer to show you a rate history — how much it has raised premiums on this plan in California over the last several years. The California Department of Insurance publishes a rate guide that can help.
Household discounts and other price levers
Several Medigap insurers in California offer a household or spousal discount if more than one adult in the home has a policy with them, or sometimes just if another adult lives with you. The size of the discount and the eligibility rules vary. It is worth asking directly.
Some insurers also offer a small discount for paying annually or by electronic funds transfer. None of these adjustments change your coverage — they only affect the premium.
Underwriting: when insurers can ask about your health
During your six-month Medigap Open Enrollment Period — which starts the month you are 65 or older and enrolled in Part B — any California insurer must sell you any Medigap plan they offer, at their best available rate for your age, and cannot turn you down for health reasons.
Outside that window, most insurers can use medical underwriting. That means they can ask health questions, review prescriptions, and decline your application or charge more.
California has one important extra protection: the birthday rule. Each year, in the 60-day window that begins on your birthday, you can switch to an equal or lesser Medigap plan with any insurer selling in California without new underwriting. This is a good moment to re-shop the same letter across insurers if your current rate has climbed.
How to actually compare, step by step
1. Decide which plan letter fits how you use care (Plans G and N are the most common choices for people newly eligible). 2. Pull the list of California insurers that sell that letter from the table below. 3. On Medicare.gov, use the Medigap policy search for your ZIP code — you can filter by plan letter and see which insurers are offering it. 4. For each insurer, ask: What pricing method do you use? What have your rate increases looked like in California over the last three to five years? Is there a household discount? Do I need to answer health questions? 5. Cross-check quotes against the California Department of Insurance's premium comparison guide.
Because the coverage is identical, whichever insurer treats you well on price stability, discounts and customer service is the one worth choosing.
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 Sacramento County
(MA penetration in Sacramento 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 California
Insurers offering Medigap policies in California, 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 Retirement Life Insurance Company (CIGNA) Plans A, F, G, G-HD, N
- Anthem BlueCross - California Plans A, F, G, N
- Bankers Life (Underwritten by Washington National Insurance Company) Plans A, F, G, G-HD, N
- Blue Shield of California Life & Health Insurance Company Plans A, F, G, N
- Continental Life Insurance Company of Brentwood, Tennessee (Aetna) Plans A, B, F, F-HD, G, N
- Everence Association Inc. Plans A, F, G, N
- Humana (Humana Insurance Company) Plans A, B, C, F, F-HD, G, G-HD, K, L, N
- Insurance Company of North America Plans A, F, G, G-HD, N
- Lumos Insurance Plans A, F, G, N
- Mutual of Omaha (United World Life Insurance Company) 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
Source: Medicare.gov Medigap policy search. No insurer is ranked or recommended.
Medicare Supplement (Medigap)
The Medigap plans you can buy in California
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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Good to know
Frequently asked questions
Is Plan G better at one insurer than another?
What is California's Medigap birthday rule?
Can I be turned down for a Medigap plan in Elk Grove?
Where can I get unbiased help comparing insurers?
- 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 Elk Grove
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This page was last updated: September 2026.