Medigap Rate Increase Survival Guide: What to Do When Your Premium Goes Up in 2026
Medigap Rate Increase Survival Guide: What to Do When Your Premium Goes Up in 2026
Getting a rate increase notice on your Medigap policy is frustrating — but it doesn’t mean you’re stuck. This guide walks you through exactly why premiums rise, how much is “normal,” and the smartest moves you can make to keep your coverage affordable without losing protection.
Quick Answer
Medigap premiums typically increase 3–7% per year due to rising healthcare costs, your aging into higher rate bands, and carrier-specific adjustments. When your rate goes up, you have options: switch to a lower-cost plan (like Plan G to Plan N), move to a different carrier with better pricing, or explore high-deductible alternatives — and in many states, special rules let you switch without medical underwriting.
Key Takeaways
- Most Medigap rate increases range from 3–7% annually, though some carriers may raise premiums 10%+ in a given year
- Your pricing method matters: attained-age policies increase more predictably, while issue-age and community-rated plans may have larger jumps at renewal
- You can switch Medigap plans at any time, but medical underwriting may apply unless you qualify for a guaranteed issue right or state-specific protection
- Plan N often costs $30–60/month less than Plan G and is the most common downgrade for rate-conscious seniors
- 12+ states offer birthday rules or enrollment windows that let you switch plans or carriers without underwriting
- Don’t cancel your current policy until your new one is confirmed active — you have a 30-day free-look period on new Medigap policies
Why Do Medigap Premiums Increase?
Medigap premiums aren’t locked in for life. Unlike Medicare Part B (which has a standard premium set by CMS), Medigap is private insurance — and carriers adjust rates based on several factors.
1. Rising Healthcare Costs
The single biggest driver. Medical inflation consistently outpaces general inflation, running 5–6% annually. When hospitals charge more and procedure costs rise, insurers pass those costs along through higher premiums.
2. Your Age and Rate Structure
How your premium changes depends on your policy’s pricing method:
| Pricing Type | How It Works | Typical Increase Pattern |
|---|---|---|
| Attained-Age | Premium rises as you get older (usually every 1, 3, or 5 years) | Predictable age-based bumps + annual inflation adjustments |
| Issue-Age | Based on your age when you bought the policy | Starts higher, but increases are smaller (inflation-only) |
| Community-Rated | Everyone in the area pays the same base rate | Increases affect all members equally, usually once per year |
Not sure which type you have? Our Issue Age vs Attained Age Pricing Guide breaks it down in detail.
3. Carrier Rate Adjustments
Insurers periodically adjust rates for their entire block of policyholders. If a carrier underestimated claims costs or is losing money on a particular plan, they’ll file for a rate increase with the state insurance department.
In 2025–2026, several major carriers implemented increases of 8–15% on older plan blocks, particularly for Plans F and C (which are closed to new enrollees and have aging, higher-claim populations).
4. Plan Closure Effects
Since Plan F and Plan C closed to new Medicare enrollees on January 1, 2020, these plans have experienced faster rate increases. With no younger, healthier members joining to balance the risk pool, the average age and claims cost of members keeps rising.
If you’re on Plan F, this is a critical reason to evaluate switching — see our Plan G vs Plan N Comparison for alternatives.
What’s a “Normal” Rate Increase?
| Year | Average Medigap Rate Increase | Notes |
|---|---|---|
| 2023 | 4.2% | Moderate year |
| 2024 | 5.1% | Slight uptick |
| 2025 | 5.8% | Above average, driven by medical inflation |
| 2026 | 4.5–6.5% (projected) | Varies by carrier and region |
Rule of thumb: If your increase is under 7%, it’s within the normal range. If it’s 10% or higher, it’s time to seriously evaluate your options.
Use our Annual Rate Increase Estimator to project your costs over the next 5 years.
Step-by-Step: What to Do When Your Rate Increases
Step 1: Don’t Panic — Read the Notice Carefully
Your rate increase letter will tell you:
- The new monthly premium amount
- When the increase takes effect
- Whether it applies to all policyholders or just your age group
- Your right to cancel or switch
You typically have 30–60 days before the increase takes effect. That’s your window to act.
Step 2: Check Your Current Plan’s Value
Ask yourself:
- Are you using the full benefits of your current plan?
- Plan F members: Are you paying for Part B deductible coverage ($257/year in 2026) that barely offsets the higher premium?
- How does your current rate compare to market averages for your age and state?
Check our Medigap Price by Age Chart to see where you stand.
Step 3: Compare Alternative Plans
The most common and cost-effective switches:
Plan F → Plan G (saves $30–80/month typically)
- Identical coverage except Plan G doesn’t cover the Part B deductible ($257/year)
- You come out ahead if the premium difference exceeds $21/month
Plan G → Plan N (saves $25–60/month typically)
- Plan N has copays: up to $20 for office visits, up to $50 for ER visits
- No Part B excess charges (Plan G covers them; Plan N doesn’t)
- Best for healthy seniors who rarely visit the doctor
Any Plan → High-Deductible Plan G (saves $60–120/month)
- Deductible is $2,800 in 2026 before coverage kicks in
- Once deductible met, coverage is identical to standard Plan G
- Best for those who want catastrophe protection at the lowest premium
Step 4: Shop Multiple Carriers
The same Medigap plan letter (e.g., Plan G) has identical benefits regardless of carrier — by law. But premiums vary significantly:
- Carrier A Plan G: $165/month
- Carrier B Plan G: $138/month
- Carrier C Plan G: $152/month
That’s a $324/year difference for the exact same coverage. Always compare at least 3–5 carriers.
Step 5: Check for State-Specific Protections
Before applying for a new policy (which requires medical underwriting in most cases), check if your state offers special enrollment protections:
-
Birthday Rule States (CA, CO, CT, GA, IL, IA, KY, LA, ME, MD, MI, MN, MO, NV, NM, NC, OH, OK, OR, PA, RI, SC, SD, TN, TX, VT, VA, WA, WV, WI, WY): Switch to a plan of equal or lesser benefits within a window around your birthday — no underwriting required.
-
Annual Enrollment Windows (some states): Switch during a specific annual period without medical questions.
Our Birthday Rule by State Guide has the complete list with specific dates and rules.
Step 6: Apply for New Coverage — But Don’t Cancel Yet
This is crucial: apply for your new policy first, get accepted, and confirm the start date before canceling your old one.
You have a 30-day “free look” period on any new Medigap policy. If you change your mind, you can get a full refund and keep your old coverage.
State-Specific Rate Increase Protections
Some states go further than federal requirements to protect seniors from unreasonable increases:
| State | Protection | Details |
|---|---|---|
| California | Birthday Rule | Switch to equal or lesser plan within 60 days of birthday |
| Connecticut | Continuous Open Enrollment | Can switch Medigap plans year-round, no underwriting |
| Maine | Annual Open Enrollment | 30-day window annually to switch plans |
| Massachusetts | One-Time Switch | Can switch once per year during open enrollment |
| Missouri | Birthday Rule | Switch within 60 days of birthday |
| New York | Continuous Open Enrollment | Can switch Medigap plans anytime, guaranteed issue |
| Oregon | Birthday Rule | Switch within 61 days of birthday |
| Vermont | Continuous Open Enrollment | Guaranteed issue year-round |
If you live in Connecticut, New York, or Vermont, you have the strongest protections — you can switch carriers at any time without medical underwriting.
When NOT to Switch
Switching isn’t always the right move. Consider staying if:
- You have significant health conditions and don’t qualify for a guaranteed issue or state protection — you could be denied a new policy entirely
- Your rate increase was under 5% and your current premium is competitive for your market
- You’re on a community-rated plan — switching to an attained-age plan might look cheaper now but cost more later
- You’re over 80 — medical underwriting becomes much harder, and rate increases are expected at this age
- Your state has no special protections and you don’t pass underwriting comfortably
See our full Switching Rules Checklist for a comprehensive decision framework.
Cost Comparison Example: Switching Plan G to Plan N
Let’s look at a real-world scenario for a 72-year-old male in Texas:
| Plan G (Current) | Plan N (New) | |
|---|---|---|
| Monthly Premium | $189 | $141 |
| Annual Premium | $2,268 | $1,692 |
| Part B Deductible | Covered | Covered |
| Office Visit Copays | $0 | Up to $20 |
| ER Copay | $0 | Up to $50 (waived if admitted) |
| Part B Excess Charges | Covered | Not covered |
| Annual Savings | — | $576 |
Even with 4–6 office visits per year and occasional Part B excess charges, the Plan N member saves approximately $400–500/year.
Tip: If your spouse is also on Medigap, look into household discounts. Our Household Discount Finder shows which carriers offer 5–14% discounts for couples.
2026 Outlook: What to Expect
Several trends are shaping Medigap pricing in 2026:
- Plan F/C rate acceleration continues — these closed blocks will see above-average increases as the risk pool ages
- Plan G premiums stabilizing — with Plan G now the most popular choice for new enrollees, the risk pool is healthier and more balanced
- High-deductible plans gaining traction — more carriers are offering HD Plan G with competitive premiums
- Telehealth utilization — increased telehealth use is helping moderate some claims costs
- State regulatory scrutiny — more states are reviewing and challenging excessive rate increase requests
For a detailed 5-year cost projection based on your specific plan and age, use our Annual Rate Increase Estimator.
Frequently Asked Questions
Can my Medigap carrier raise my premium whenever they want?
No. Carriers must file rate increase requests with your state’s department of insurance, which reviews them for fairness and actuarial justification. You’ll receive a written notice at least 30–60 days before any increase takes effect. However, Medigap policies are not guaranteed renewable at the same rate — the carrier can increase premiums for the entire class of policyholders.
Is a 10% Medigap rate increase considered excessive?
A 10% increase is above average but not necessarily “excessive.” If your carrier’s overall claims costs have risen significantly — especially common with Plan F and Plan C policies — a 10% increase may be actuarially justified. However, it’s a strong signal to compare alternatives. Many seniors who switch from Plan F to Plan G after a large increase save 25–35% on premiums.
Do Medigap rate increases affect all plans equally?
No. Plans closed to new enrollment (F and C) typically see larger increases because their risk pools are aging with no new younger members. Plan G and Plan N, which are open to new enrollees, generally have more stable rate increases in the 3–6% range. This is one of the strongest reasons to consider moving off Plan F.
Can I switch Medigap plans mid-year if I get a rate increase?
Yes, you can apply to switch Medigap plans at any time. There’s no annual enrollment period for Medigap like there is for Medicare Advantage. However, in most states, you’ll need to pass medical underwriting to switch unless you qualify for a guaranteed issue right or a state-specific enrollment window. Check if your state offers a birthday rule or continuous open enrollment.
Will switching Medigap carriers save me money even if I keep the same plan letter?
It often will. Since plan benefits are standardized by law (a Plan G from any carrier has identical coverage), the only difference is price. Premiums for the same plan can vary by $30–80/month between carriers. Shopping your current plan across multiple insurers every 2–3 years is one of the easiest ways to save on Medigap costs.
What happens if I’m denied coverage when trying to switch Medigap plans?
If you apply for a new Medigap policy and are denied due to health conditions, your current policy remains active — denial doesn’t affect your existing coverage. This is why you should never cancel your current plan before a new one is confirmed. If denied, explore state-specific protections (birthday rules, guaranteed issue windows) that may allow you to switch without underwriting.
How does the Medigap birthday rule help with rate increases?
The birthday rule — available in 30+ states — gives you a window (usually 30–61 days) around your birthday each year to switch to a Medigap plan with equal or lesser benefits without medical underwriting. This is one of the most powerful tools for dealing with rate increases: you can shop for the same plan at a lower price from a different carrier, or switch to a less expensive plan, with no health questions asked.
Should I consider a Medicare Advantage plan instead if my Medigap premium keeps rising?
Medicare Advantage plans often have $0 or very low premiums, but they come with network restrictions, prior authorization requirements, and higher out-of-pocket maximums (up to $8,850 in 2026). Medigap gives you the freedom to see any Medicare-accepting doctor nationwide with predictable costs. If you’re healthy, rarely travel, and have good network options locally, MA might save money. But switching from Medigap to MA is a one-way door for many people — returning to Medigap later may require medical underwriting.
Take Action: Compare Your Options Now
Don’t wait until your next rate increase to understand your choices. Use our free tools to model your costs and find the best plan for your situation:
👉 Medicare Supplement Penalty Calculator — Estimate your total costs across different Medigap plans and see how rate increases compound over time.
If your premium just went up, the most important thing is to act within your rate increase notice window — before the new price takes effect. Compare plans, check your state protections, and make an informed decision that protects both your health and your wallet.