When you enroll in Original Medicare (Parts A and B), purchasing additional insurance at the same time is generally wise. In terms of additional coverage, Medicare offers Advantage plans and Supplemental plans, although most of our clients choose a Supplemental plan. If you’ve decided to go that route, you now have to decide on a supplemental plan.
Why Plan N vs. Plan G Is One of the Biggest Medigap Decisions
Choosing a Medicare Supplement plan (also known as Medigap) is one of the most important decisions you’ll make after enrolling in Original Medicare. And for most people, the decision comes down to Medicare Plan N vs Plan G.
These two plans consistently rank among the most popular Medigap options because they strike a balance between coverage and cost. Neither plan replaces Original Medicare. Instead, they help cover the out-of-pocket expenses—like coinsurance and hospital costs—that Medicare doesn’t fully pay.
At first glance, Plan N and Plan G can look very similar. The real differences come down to copays, excess charges, and predictability. This guide will compare coverage, costs, and potential risks so you can make an informed, confident decision.
What Is Medicare Supplement Plan N?
If you’re asking what is Medicare Supplement Plan N, think of it as a cost-conscious Medigap option that still provides strong protection against major medical expenses.
What Medicare Supplement Plan N Covers
Medicare Supplement Plan N helps pay for:
- Medicare Part A coinsurance and hospital costs
- Medicare Part B coinsurance (after small copays)
- Skilled nursing facility coinsurance
- Hospice care coinsurance
- The first three pints of blood
- 80% of foreign travel emergency care (within plan limits)
This coverage significantly reduces your risk of receiving large, unexpected bills.
What Plan N Does NOT Cover
Plan N does not cover:
- The Medicare Part B deductible
- Medicare Part B excess charges
- Prescription drugs (covered separately by Part D)
Copay Structure Under Plan N
With Plan N, you may pay:
- Up to $20 for certain office visits
- Up to $50 for emergency room visits (waived if admitted)
These copays are the trade-off for lower monthly premiums and are usually manageable for people who don’t see doctors frequently.
The Big Limitation: Excess Charges
Plan N does not cover Medicare Part B excess charges. Depending on where you live and which providers you see, this may or may not be a meaningful risk.
What Does Medicare Plan G Cover?
Medicare Plan G is widely viewed as the most comprehensive Medigap plan available to people newly eligible for Medicare.
Plan G Coverage Overview
Plan G covers everything that Plan N covers, plus:
- Medicare Part B excess charges
- All Part B coinsurance with no copays
The only out-of-pocket medical expense you’re responsible for is the annual Medicare Part B deductible.
Why Plan G Is Considered the ‘Gold Standard”
- No office visit copays
- No emergency room copays
- No excess charges
- Highly predictable costs
Once the deductible is met, Plan G provides near-complete coverage.
Medicare Plan N vs. Plan G: a Side-by-Side Comparison
A direct comparison makes the differences easier to see.
| Feature | Plan N | Plan G |
| Part B Deductible | Not covered | Not covered |
| Part B Excess Charges | Not covered | Covered |
| Office Visit Copays | Up to $20 | $0 |
| ER Copays | Up to $50 | $0 |
| Monthly Premium | Lower | Higher |
| Cost Predictability | Moderate | High |
Here are the key differences: Plan N trades some predictability for lower premiums, while Plan G prioritizes simplicity and peace of mind.
What Are Medicare Excess Charges & Why Do They Matter?
Medicare excess charges occur when a provider does not accept Medicare assignment and bills up to 15% more than the Medicare-approved amount.
When Excess Charges Apply
- Only under Medicare Part B
- Only with providers who don’t accept assignment
- Not allowed in certain states
Some states prohibit excess charges entirely. If you live in one of these states, the risk associated with Plan N is much lower.
If you frequently see specialists, travel often, or live in an area where excess charges are common, those costs can accumulate quickly. Plan G eliminates this concern altogether.
Who Should Consider Medicare Plan N?
Medicare Supplement Plan N may be a good fit if you:
- Want lower monthly premiums
- Visit doctors only occasionally
- Live in a state with excess charge restrictions
- Prefer saving money upfront
Plan N tends to work best for healthier retirees with predictable healthcare needs.
Who Should Consider Medicare Plan G?
Plan G may be the better option if you:
- See doctors frequently
- Want highly predictable healthcare costs
- Are concerned about excess charges
- Travel or see out-of-state providers
- Prefer fewer bills and less tracking
For many people, Plan G offers long-term peace of mind.
Cost Comparison: When Does Plan N Actually Save Money?
Lower premiums don’t always mean lower costs overall.
Example Cost Breakdown
- Plan N premium: $40/month less than Plan G
- Annual premium savings: $480
Potential Plan N costs:
- 8 office visits × $20 = $160
- 1 ER visit = $50
- Possible excess charges = variable
If your additional costs stay below $480, Plan N saves money. If not, Plan G may be the more cost-effective option over time.
When Can You Enroll in Plan N or Plan G?
Your Medigap Open Enrollment Period lasts six months and begins when you:
- Are 65 or older
AND
- Are enrolled in Medicare Part B
During this window, you cannot be denied coverage due to health conditions. After it ends, medical underwriting usually applies.
Can You Switch from Plan N to Plan G Later?
Switching is sometimes possible, but it’s not always guaranteed.
It’s important to consider that medical underwriting may still apply. Your approval for Plan G can also depend on your health. While some states offer birthday rules that make plan changes much easier, switching your plan later on may not be easy. That’s why choosing carefully upfront is so important.
FAQs
Is Medicare Plan N cheaper than Plan G?
Plan N usually has lower monthly premiums, but the total costs depend on your healthcare usage.
Does Medicare Plan N cover excess charges?
No, excess charges are not covered.
Is Plan N worth the risk?
For users with low medical needs, Plan N can be a smart choice to save money.
Can I switch from Plan N to Plan G later?
It’s possible to switch from Plan N to Plan G, but you may face some medical underwriting. It’s important to choose carefully upfront to reduce the risk of extra costs.
What is the biggest difference between Plan G and Plan N?
The biggest differences between the two plans are excess charge coverage and copays.
Final Thoughts: Which Medicare Supplement Plan Is Right for You?
Choosing between Medicare Plan N and Plan G isn’t about finding the “best” plan—it’s about finding the right fit for you.
Plan N can make sense if you’re generally healthy, don’t visit the doctor often, and are comfortable trading small copays for lower monthly premiums. Plan G, on the other hand, is built for people who value predictability and want to minimize surprises, even if it means paying a higher premium.
Your health needs, budget, and tolerance for out-of-pocket risk should guide your decision. And because switching plans later may require medical underwriting, taking the time to choose carefully now can save you stress down the road.
If you’re still unsure, Medicare School is here to help. Our goal is to educate—not sell—so you can understand your options and make confident Medicare decisions. Explore more resources in our Learning Center or speak with a licensed professional at Medicare School to get guidance tailored to your situation.