Medicare Supplement
Same Medigap Plan G in Anaheim: what actually changes from one insurer to the next
Medigap policies in California are standardized by the federal government. That means Plan G from one insurer covers exactly what Plan G from another insurer covers. Plan N is Plan N. Plan K is Plan K. The letter defines the benefits — insurers cannot add or take away pieces of that coverage.
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Click to call 855-729-3240Key takeaways
- In Anaheim and the rest of Orange County, the same Medigap letter — say Plan G or Plan N — is standardized, so the benefits are identical no matter which insurer sells it.
- What differs between insurers is the price, how that price will change as you age, household discounts, and whether you must answer health questions to enroll.
- California does not publish a single insurer list on this page, so the best tools are the Medicare.gov Medigap policy search by ZIP code, the California Department of Insurance rate guide, and California's SHIP (HICAP).
- Get quotes for the same letter from several insurers before you sign anything, because two policies with the same coverage can be priced very differently.
What "the same Medigap letter" really means
For people who become eligible for Medicare today, the letters you can buy are A, B, D, G, high-deductible G, K, L, M, and N. Plans C and F are only available to people who were eligible for Medicare before January 1, 2020.
So when you shop in Anaheim, the real question is not "whose Plan G is better." It is: among the insurers selling Plan G in your ZIP code, how do they price it, and what will happen to that price over time?
How California insurers set the price
Insurers use one of three pricing methods for Medigap. This is where two policies that look identical on paper start to look very different on your bank statement.
Attained-age rated. The price is based on your current age and goes up as you get older. It often starts lower at 65 and climbs from there.
Issue-age rated. The price is based on your age when you first bought the policy. It doesn't go up just because you had a birthday, though it can still rise for other reasons.
Community rated (also called no-age-rated). Everyone who has the policy pays the same base rate, regardless of age.
All three methods can still change over time because of inflation and overall claims. But the shape of those increases can look very different at age 75 or 80 than it did at 65. When you compare two insurers, ask which method each one uses.
Rate history matters more than the first-year price
An insurer's rate history is a record of how much it has raised premiums on existing customers over the last several years. Because Medigap coverage is identical letter-for-letter, rate history is one of the few honest ways to compare insurers side by side.
The California Department of Insurance publishes a Medigap rate guide that shows premiums and, in many cases, recent rate changes. Your local SHIP counselor — in California, that's the Health Insurance Counseling and Advocacy Program (HICAP) — can walk you through it for free.
A policy that looks affordable in year one but has a pattern of steep annual increases can end up costing more than a policy that starts higher and stays steadier.
Household discounts and other quiet differences
Some insurers offer a household discount if you live with another adult, and sometimes that other adult also has to have a policy with the same company. The size of the discount, and the rules for qualifying, vary from insurer to insurer. It is worth asking about directly because it will not always be featured up front.
Other things that can differ:
- Whether the insurer offers electronic funds transfer or annual-payment discounts.
- Extra services bundled around the policy, like a nurse line or wellness benefits (these are add-ons, not part of the standardized coverage).
- Customer service ratings and complaint history, which the California Department of Insurance also tracks.
None of these change what Plan G or Plan N pays for. They can change what you pay and how the experience feels.
Underwriting: when insurers can ask about your health
This is the part that surprises the most people in Anaheim.
During your Medigap Open Enrollment Period — the six months that start when you are 65 or older and enrolled in Part B — insurers must sell you any Medigap policy they offer, at their best available rate, regardless of your health. This is called guaranteed issue.
Outside that window, in most cases, California insurers can use medical underwriting. That means they can ask about your health history and either charge more or decline to sell you a policy. California does have a "birthday rule" that gives current Medigap policyholders a limited annual window to switch to an equal or lesser plan with the same insurer or a different one without underwriting — but the rules are specific, so confirm the details with HICAP before you rely on them.
If you already have a Medigap policy and are thinking about switching insurers, ask each company whether they will underwrite your application before you cancel anything.
How to find the insurers selling Medigap in Anaheim
Anaheim is in Orange County, and Medigap availability is set at the state and ZIP-code level rather than by county alone. Three reliable places to build your list:
- Medicare.gov Medigap policy search. Enter your ZIP code and it will show you which insurers sell each plan letter in your area.
- California Department of Insurance Medigap rate guide. Published by the state; shows insurers, plan letters, and pricing information.
- California SHIP (HICAP). Free, unbiased counseling. They do not sell policies.
Get quotes for the same letter — say Plan G — from at least three insurers before you decide. Ask each one the same four questions: What pricing method do you use? What is your rate history for the last five years? Do you offer a household discount? Will my application be underwritten?
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 Orange County
(MA penetration in Orange 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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Frequently asked questions
Is Plan G from a big-name insurer better than Plan G from a smaller one?
Can an insurer in Anaheim turn me down for a Medigap policy?
Does Medigap cover my prescription drugs?
Where can I get help comparing insurers without a sales pitch?
- 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 Anaheim
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This page was last updated: September 2026.