Medicare Supplement Plans (Medigap): Coverage, Costs & How to Choose
Medicare Supplement plans, also called Medigap, help pay the out-of-pocket costs that Original Medicare doesn’t cover — like deductibles, copays, and coinsurance. :contentReference[oaicite:0]{index=0}
Coach B. Insurance helps you compare Medicare Supplement plans so you can reduce financial risk, keep your doctors, and avoid costly coverage gaps.
Scott Benton | Coach B. Insurance
Licensed Agent | Serving families since 1992
Phone: (800) 342-1537
Disclosure: Not affiliated with Medicare or the U.S. government.
Quick Answer: What Is Medigap?
- Medigap = Medicare Supplement insurance
- Works with Original Medicare (Part A + B only)
- Pays deductibles, copays, and coinsurance
- Does NOT include drug coverage
- Cannot be used with Medicare Advantage
How Medicare Supplement Plans Work
Original Medicare typically leaves you responsible for a portion of costs. Medigap plans help cover these “gaps” by paying some or all of your out-of-pocket expenses. :contentReference[oaicite:1]{index=1}
Freedom of Doctors
See any provider that accepts Medicare nationwide.
Lower Out-of-Pocket
Helps reduce unpredictable medical costs.
Predictable Coverage
Standardized plans mean consistent benefits.
Medigap Plans Explained (A–N)
Medicare Supplement plans are standardized into lettered plans (A through N), meaning benefits are the same across companies — only pricing differs. :contentReference[oaicite:2]{index=2}
| Plan | Coverage Level | Popular For |
|---|---|---|
| Plan G | High coverage (most popular) | Balanced cost + coverage |
| Plan N | Moderate coverage | Lower premium option |
| Plan F* | Full coverage (legacy) | Only for pre-2020 eligible |
What Medigap Covers
Part A Coinsurance
Part B Coinsurance
Deductibles
Hospital Costs
Medigap may cover costs like coinsurance, deductibles, and excess charges depending on the plan you choose. :contentReference[oaicite:3]{index=3}
What Medigap Does NOT Cover
- Prescription drugs (Part D needed)
- Dental, vision, hearing
- Long-term care
- Private-duty nursing
Medicare Advantage vs Supplement
| Feature | Supplement (Medigap) | Advantage |
|---|---|---|
| Doctors | Nationwide access | Network-based |
| Out-of-pocket | Lower, predictable | Variable |
| Extra benefits | No | Often yes |
Best Time to Enroll
The best time to enroll is your 6-month Medigap Open Enrollment Period when you turn 65 and enroll in Part B — during this time you cannot be denied coverage. :contentReference[oaicite:4]{index=4}
The Bottom Line
Medicare Supplement plans are one of the strongest ways to reduce financial risk in retirement by covering the gaps left by Original Medicare.
If you want predictable healthcare costs and full doctor flexibility, Medigap is often the better long-term strategy.
Frequently Asked Questions
What is a Medicare Supplement plan?
It is insurance that helps pay costs not covered by Original Medicare.
Is Medigap worth it?
It can be valuable if you want predictable healthcare costs and nationwide provider access.
What is the best Medigap plan?
Plan G is currently the most popular option for new enrollees.
Can I have Medigap and Medicare Advantage?
No. You must choose one or the other.
- updated May 4, 2026
