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Medigap Pricing & Discounts in California (2026)

Key Takeaways
  • Medigap has three rate types (community, issue-age, attained-age), but in California, the Birthday Rule makes this far less important than other sites claim.
  • Rate increases vary wildly by carrier, the smart move is shopping yearly, not obsessing over rate type.
  • Watch out for discounts most people miss: household/roommate, new-to-Medicare, and autopay.
  • Don't trust a carrier's advertised 'average' increase, it can hide a big recent spike.
  • Because benefits are standardized, the only thing that matters is price + rate stability.

Understanding how Medigap pricing works, and the discounts most people never hear about, can save you real money. There's also a common myth we need to dispel, because California plays by different rules than the sites you've probably been reading. Let's pull back the curtain.

The Three Rate Types (and Why They Matter Less in California)

Community-rated

Everyone pays the same regardless of age. Your rate doesn't go up just because you get older (though it still rises with general increases).

Issue-age

Your rate is based on your age when you bought it, and doesn't increase due to aging afterward.

Attained-age

Your rate rises as you get older. Often the lowest starting price, but climbs over time.

🤯 Myth-buster: In California, don't obsess over rate type

Here's what other websites won't tell you, because most of them serve states that don't have California's protections. They'll tell you to agonize over community vs. issue-age vs. attained-age, warning that attained-age plans will "trap" you with rising costs as you age.

In California, that concern largely disappears, because of the Birthday Rule. Every year, you can switch to an equal or lesser plan without medical underwriting. So even if you're on an attained-age plan whose rate is climbing, you're never stuck, you just shop and switch. The rate type becomes far less important than simply shopping your rate every year. Californians have a freedom most states don't, and it changes the whole calculus.

See It in Real Data: The Attained-Age "Trap"

The "Attained-Age" Trap
How Plan G rates rise with age, by rate type
$200$220$240$260$280Age 65Age 66Age 67Age 68Age 69AnthemBlue ShieldUnitedHC
Attained-age plans (Anthem, Blue Shield) rise as you get older, on top of regular increases. Community-rated plans (UnitedHealthcare) don't raise your rate for aging. In most states this locks you in. But in California, the Birthday Rule lets you switch every year, so you're never trapped, whichever type you pick.
For research purposes only. Example rates for ZIP 90003, age 65, Plan G, as of September 2026, shown before New-to-Medicare or other discounts. Your rates may differ based on age, ZIP code, carrier, and time of enrollment.

Attained-age plans (like Anthem and Blue Shield here) rise as you age; community-rated (UnitedHealthcare) doesn't raise for aging. In most states, being on that rising attained-age line would be a problem. In California, you just use the Birthday Rule to jump to a better deal. Freedom changes everything.

The Discounts Most People Never Hear About

Household / roommate discount

Often 5-10% off, and here's the secret: with some carriers you don't even have to be married, or in some cases even both enrolled. Simply sharing a household can qualify. Most people have no idea.

New-to-Medicare discount

Some carriers offer a first-year discount for those newly enrolling in Medicare, a lower rate to start.

Spousal discount

The classic household discount when both spouses enroll with the same carrier.

Autopay discount

A small discount for setting up automatic bank payment, easy money.

These discounts vary by carrier and can stack in some cases. We know which carriers offer what, and we make sure you get every discount you qualify for. It's a routine part of what we do, at no cost.

Don't Trust the "Average" Rate Increase

Don't Trust the "Average" Increase
Recent (2026) rate increases vs. the multi-year "average" carriers advertise
Anthem Blue Cross
2026 increase
20.1%
"Average" shown
2.6%
Blue Shield of CA
2026 increase
12.6%
"Average" shown
4.1%
UnitedHealthcare
2026 increase
12.1%
"Average" shown
8.6%
The insider catch: A low "average" can hide a big recent spike. Anthem's average looks like 2.6%, but their actual 2026 increase was 20.1%. We look at what's happening now, not a flattering average.
For research purposes only. Example rates for ZIP 90003, age 65, Plan G, as of September 2026, shown before New-to-Medicare or other discounts. Your rates may differ based on age, ZIP code, carrier, and time of enrollment.

When you research carriers, you'll see "average rate increase" figures. Be careful, a low-looking average can hide a big recent spike. We look at what's happening now and the recent trend, not a flattering multi-year average.

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The Bottom Line on Pricing

Plan G Premiums Are Climbing Fast
Average annual Plan G premium, 5 lowest carriers (2020-2026)
$1,200$1,400$1,600$1,8002020202120222023202420252026
Source: CSG Actuarial. Premiums rose from ~$1,328 to ~$1,888, accelerating sharply since 2024.

Rates are climbing across the board, which makes the smart approach clear: pick your plan letter, get every discount, and shop your rate every year using the Birthday Rule. That's how you keep Medigap affordable over the long haul. It's exactly what we do for our California clients, free of charge. See how to choose a company next.

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Frequently Asked Questions
▸ Does community-rated vs attained-age matter in California?
Less than other sites claim. In most states, an attained-age plan can trap you with rising rates as you age. But California's Birthday Rule lets you switch to an equal or lesser plan every year without medical underwriting - so you're never stuck on a climbing rate. In California, shopping your rate annually matters far more than which rate type you started with.
▸ What Medigap discounts are available in California?
Common discounts include household/roommate discounts (often 5-10%, and with some carriers you don't even have to be married), new-to-Medicare first-year discounts, spousal discounts, and autopay discounts. These vary by carrier and can sometimes stack. Many people never hear about them - we make sure you get every one you qualify for.
▸ Can I get a household discount if I'm not married?
With some carriers, yes. The 'household' or 'roommate' discount doesn't always require marriage - simply sharing a household can qualify, and in some cases the other person doesn't even need to be enrolled. Rules vary by carrier, which is why it helps to work with someone who knows which companies offer the most flexible household discounts.
▸ Why do Medigap rates increase?
Rates rise due to general medical inflation, the aging of a plan's pool of members, and carrier-specific factors. Increases vary widely - one carrier might raise rates 5% while another raises 20% the same year. Be wary of advertised 'average' increases, which can hide a big recent spike. In California, the Birthday Rule lets you switch carriers to escape steep increases.
▸ How can I lower my Medigap premium?
Pick the right plan for your needs, claim every discount you qualify for (household, new-to-Medicare, autopay), and - crucially in California - shop your rate every year using the Birthday Rule to switch to a lower-priced carrier without underwriting. Since benefits are standardized, moving to a cheaper carrier means identical coverage for less. We do all of this for clients at no cost.
The information above is general guidance about California Medicare Supplement insurance and may change as rates, plans, and rules are updated each year. It is not a substitute for personalized advice. For current, personalized guidance, please contact us, email help@calhealth.net, or call 800-320-6269. Serving California since 1994.
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