Medicare Supplement
Medigap in Bakersfield for 2027: the rules, the reset, and the rate filings to watch
BAKERSFIELD, Calif. — As 2027 approaches, Medigap shoppers in Kern County have a few moving pieces to keep straight: which standardized plan letters they can actually buy, the yearly reset of the Part B deductible that Plans G and N are built around, and the rate filings insurers submit to the state each year. None of that changes what a Medigap plan does — it just changes the math and the menu you shop from.
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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 menu; Plans A, B, D, G, G-HD, K, L, M and N are the standardized letters available to new enrollees in California.
- Plans G and N pay after you meet the Part B deductible, which resets every January — so your first outpatient bills of the year will look different from the rest.
- Medigap rate changes are filed with the California Department of Insurance each year, and you can compare current prices for Bakersfield ZIP codes on Medicare.gov's Medigap policy search.
- California has a "birthday rule" that lets you switch to an equal or lesser Medigap plan each year without new medical underwriting — a bigger deal than most people realize.
Here is a plain-English guide to what is shifting, and how to check the specifics for your ZIP code before you sign anything.
What is actually changing for 2027
Medigap plans themselves are standardized by federal law. A Plan G from one company covers the same gaps as a Plan G from another. What changes year to year is not the coverage — it is:
- Which letters you can buy. People who became eligible for Medicare on or after January 1, 2020 cannot buy Plans C or F. Everyone else newly eligible chooses from Plans A, B, D, G, G-HD, K, L, M and N.
- The Part B deductible reset. Plans G and N pay after you hit the Part B deductible each calendar year. When January rolls around, that counter goes back to zero. The exact 2027 dollar amount is set by CMS and published on medicare.gov.
- Rate filings. Insurers selling Medigap in California file proposed rate changes with the California Department of Insurance. Those filings — and any approved changes — are public.
- Insurers entering or leaving. Companies occasionally start or stop selling Medigap in California. Your current policy does not disappear if a carrier stops selling new policies, but your renewal rate can still change.
How the Part B deductible shapes Plans G and N
If you have Plan G or Plan N, your Medigap coverage kicks in for most Part B services only after you have met the annual Part B deductible. Every January 1, that deductible resets.
That is why an outpatient visit in January can feel more expensive than the same visit in July — you are paying the deductible first. It is not a change in your plan; it is the yearly reset built into how G and N are designed. Plan N also has small copays for some office visits and emergency room visits, separate from the deductible.
The 2027 Part B deductible figure will be posted on medicare.gov once CMS finalizes it.
Rate-adjustment season in California
California uses "issue-age" or "attained-age" rating depending on the insurer, and every company files its rates with the California Department of Insurance. Rate changes usually take effect on your policy anniversary, not on January 1.
To see what is filed for your ZIP code:
- Use the Medicare.gov Medigap policy search to see current premiums for Bakersfield ZIP codes.
- Check the California Department of Insurance Medigap rate guide for filed rates by company.
- Call the California SHIP (HICAP) for free, unbiased help comparing what you have to what is available.
The table on this page lists the standardized plan letters California offers to new enrollees; use it as a starting point when you compare quotes.
The California "birthday rule" most people miss
California has one of the strongest Medigap protections in the country. Each year, during a window that starts on your birthday, you can switch to another Medigap plan with the same or lesser benefits from any insurer, without answering health questions.
That matters when rate season rolls around. If your renewal notice arrives with an increase, the birthday rule gives you a yearly chance to shop — something residents in most other states do not have. The exact length of the window is set by California law; confirm the current rules with HICAP or the California Department of Insurance before you switch.
How to decide what to do this season
1. Pull out your renewal notice. Note your current plan letter and the new premium. 2. Confirm which letters you are eligible to buy. If you were newly eligible in 2020 or later, Plans C and F are not options. 3. Compare on medicare.gov using a Bakersfield ZIP code, so you are seeing prices for Kern County. 4. Check for rate filings at the California Department of Insurance. 5. Time any switch to your birthday window if you want to change plans without underwriting. 6. Call HICAP if you want a human to walk through it with you at no cost.
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.
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.
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.
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When can you enroll? An interactive year
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
Can I still buy Plan F in California if I am turning 65 in 2027?
Does the Part B deductible really reset every January?
How do I find out if my Medigap premium is going up in 2027?
What if my insurer stops selling Medigap in California?
- 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 Bakersfield
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This page was last updated: September 2026.