Medicare Supplement
Before You Pick a Medigap Carrier in Bakersfield, Read This
If you live in Bakersfield and you're shopping a Medicare Supplement policy, here's a fact that surprises a lot of people: a Plan G from one insurer covers exactly the same things as a Plan G from any other insurer. The federal government standardized these letters years ago. What changes from company to company is the price, how that price will move as you age, whether you get a discount for sharing a household, and how hard it is to switch later. That's what you're really comparing.
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Your Medigap rate went up. Your benefits didn't.
Medicare supplement benefits are standardized — identical at any carrier. The only difference is what you pay. One call compares current rates in your area.
- Same plan letter = same benefits, by law
- No fall deadline — switch any month, if your health qualifies
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Speak to a Licensed Insurance Agent
Click to call 855-729-3240Key takeaways
- Medigap plan letters are standardized, so a Plan G (or N, or D) is the same coverage at every insurer selling it in California.
- The three ways insurers price Medigap — attained-age, issue-age and community-rated — decide how your premium changes over time, not just what you pay today.
- Household discounts, rate-increase history and medical underwriting rules can matter as much as the starting premium when you compare carriers.
- Use the Medicare.gov Medigap policy search, the California Department of Insurance rate guide, and California's SHIP (HICAP) to find every insurer selling in your ZIP code.
Start with the letter, then compare the companies
Bakersfield is in Kern County, and like the rest of California, the Medigap plans available to people newly eligible for Medicare today are A, B, D, G, high-deductible G, K, L, M and N. Plans C and F are only available if you were eligible for Medicare before January 1, 2020.
Pick the letter first — that's the coverage decision. Then compare the insurers that sell that letter. Because the benefits are identical, you're comparing price, pricing method, discounts, and the company itself.
We don't publish an insurer list here because California's roster changes and premiums vary by ZIP code and age. The most reliable places to see every company selling a given letter in your area:
- The Medigap policy search on Medicare.gov (enter your Bakersfield ZIP)
- The California Department of Insurance Medicare Supplement rate guide
- California's SHIP program, called HICAP, which gives free one-on-one counseling
The three pricing methods — this is the big one
Two insurers can quote similar premiums today and be on very different paths five or ten years from now. That's because California allows three ways of pricing Medigap policies:
Attained-age rated. Premiums are based on your current age and go up as you get older. These often look cheapest at 65 and cost more at 75 or 85.
Issue-age rated. Premiums are based on the age you were when you bought the policy. They don't rise just because you have a birthday, though they can still change with inflation and other factors.
Community rated. Everyone in the same area pays the same premium regardless of age. A 65-year-old and an 80-year-old with the same plan letter from the same company pay the same rate.
None of these is automatically "better." What matters is knowing which method a company uses, so you're comparing apples to apples. Ask each insurer, or check the California rate guide, which lists the method next to each plan.
Rate history tells you what the brochure won't
A low starting premium isn't much comfort if the insurer raises rates 8% or 10% year after year. Under California law, Medigap rate increases have to be filed with the state, and the Department of Insurance publishes historical increases. When you're weighing two insurers offering the same plan letter, look up:
- How often that company has raised rates on that plan in recent years
- The size of those increases
- Whether the increases were on the specific plan letter you want, not just company-wide averages
A company with a stable rate history and a slightly higher starting premium can end up being the steadier choice.
Household discounts and other price levers
Many California Medigap insurers offer a household discount — typically somewhere between 5% and 12% off — when two people in the same household each have a policy with that company, or in some cases just live together. The rules vary. Some require both people to be enrolled; others don't. If you and a spouse or partner are both shopping, ask each insurer whether a household discount applies and what its exact rule is. It can change the ranking of otherwise similar quotes.
Other things that can move the price at a given insurer: paying annually rather than monthly, electronic funds transfer, and non-tobacco status.
Underwriting: easy now, harder later
This is the part people miss. During your Medigap Open Enrollment Period — the six months that start when you're 65 or older and enrolled in Part B — any insurer selling Medigap in California must sell you any plan they offer at their best available rate, regardless of your health.
Outside that window, most insurers can use medical underwriting. They can ask health questions, and they can decline you or charge more. California also has a "birthday rule" that lets you switch to an equal or lesser Medigap policy each year around your birthday without underwriting, but the rules are specific and time-limited.
The practical takeaway when comparing companies: ask what happens if you want to switch later. An insurer with slightly higher rates but simpler switching rules may be worth it.
A simple side-by-side to build
When you're comparing two insurers offering, say, Plan G in Bakersfield, line up these columns:
- Plan letter (must be identical)
- Pricing method (attained-age, issue-age, or community)
- Recent rate-increase history in California
- Household discount rules
- Other discounts you'd qualify for
- Underwriting rules if you tried to switch in a few years
- Financial strength rating of the company (A.M. Best or similar)
The table on this page reflects program-standard letters, not a carrier roster. To pull carrier-specific details for your ZIP, the Medicare.gov search and the CDI rate guide are the two tools to lean on.
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 Kern County
(MA penetration in Kern 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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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 one insurer really the same as a Plan G from another?
How do I find every insurer selling Medigap in my Bakersfield ZIP code?
What's the difference between attained-age and issue-age pricing?
Can I switch Medigap insurers later if I find a better deal?
- 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 Bakersfield
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This page was last updated: September 2026.