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Washington Medigap FAQ

By Vadim Marusin, licensed Medicare insurance agent in Washington (WAOIC #1365574). Insurer data checked against the state chart current as of October 8, 2026.

36 short answers about Medicare Supplement insurance in Washington State, kept current with the state chart and CMS figures. Follow the links in each section for the full guide.

Basics

Common questions

What is Medigap?

Medigap, or Medicare Supplement insurance, is a private policy that pays costs Original Medicare doesn't, such as deductibles and the 20% Part B coinsurance. Plans are standardized by letter.

Is Medigap the same as Medicare Supplement insurance?

Yes. The terms mean the same thing.

How many Medigap insurers are there in Washington?

17 insurers appear on this site from the Washington OIC approved Medigap chart (current as of October 8, 2026). Each county has 14 or 15 of them.

Which Medigap plans are sold in Washington?

Plans A, B, C, D, F, G, K, L and N, plus high-deductible F and G. Plan M is legal but no insurer currently sells it in Washington.

Who regulates Medigap in Washington?

The Office of the Insurance Commissioner (OIC). Its SHIBA program gives free Medicare counseling at 1-800-562-6900.

Do I need Medigap?

It's optional. Original Medicare has no yearly out-of-pocket limit; Medigap caps your exposure to Medicare-covered costs.

Costs

Common questions

Does Medigap cost more as I age in Washington?

Not because of age. Washington requires community rating, so everyone in a plan pays the same premium. Premiums still rise when the state approves an insurer's rate increase.

Is Medigap cheaper in some counties?

No. Each insurer charges the same premium everywhere it sells in Washington.

What discounts are allowed?

Washington allows discounts for a spouse or partner with the same insurer and for how you pay, such as bank draft.

What is the Part B premium in 2026?

$202.90 a month standard, higher at higher incomes.

What is the Part B deductible in 2026?

$283. Only Plans C and F pay it.

What is the Part A deductible in 2026?

$1,736 per benefit period.

What is the high-deductible Plan G deductible in 2026?

$2,950.

Plans

Common questions

What is the most popular Medigap plan?

Plan G, among people new to Medicare. It's the most complete plan available to people first eligible in 2020 or later.

How many insurers sell Plan G in Washington?

17 on the current state chart.

How many insurers sell Plan N in Washington?

16 on the current state chart.

What's the difference between Plan G and Plan N?

Plan N adds copays (up to $20 for some office visits, up to $50 for ER visits without admission) and doesn't cover Part B excess charges. Otherwise they're the same.

Can I still buy Plan F?

Only if you were first eligible for Medicare before January 1, 2020.

Does Plan G cover the Part B deductible?

No. That's the one Medicare cost Plan G leaves you.

Do Medigap plans cover prescriptions?

No. Add a separate Part D drug plan.

Do Medigap plans cover dental and vision?

No standardized Medigap plan covers routine dental, vision or hearing aids.

Does Medigap have a network?

No, except Medicare SELECT policies. Medigap pays at any U.S. provider that accepts Medicare.

Does Medigap cover travel abroad?

Plans C, D, F, G, M and N pay 80% of emergency care abroad after a $250 deductible, up to $50,000 lifetime.

Enrolling and switching

Common questions

When is Medigap open enrollment?

Six months starting the month you're 65 and enrolled in Part B. It happens once.

Can I switch Medigap plans any time in Washington?

Yes, if you have Plan B through N: you can switch to another Plan B through N any time with no health questions. Plan A can switch to Plan A.

Is there a Medigap birthday rule in Washington?

Washington doesn't need one. Its switching rule lets people with Plan B through N change plans any day of the year.

Can I be turned down for Medigap?

Outside your open enrollment, a guaranteed-issue situation or Washington's switching rule, yes, insurers can ask health questions.

What is a pre-existing condition waiting period?

Up to three months in Washington, and none if you replace coverage you've had for three months.

How long do I have to return a Medigap policy?

30 days, for a full refund (free look).

Can I leave Medicare Advantage for Medigap?

Yes during Medicare enrollment periods, but Medigap acceptance is only guaranteed in certain situations, such as a 12-month trial right.

Should I take Part B while still working?

Not if your employer has 20 or more employees and your coverage comes from current work: starting Part B starts your one-time Medigap window.

Can people under 65 buy Medigap in Washington?

Insurers aren't required to sell to people under 65. Only a couple of options exist; see Medigap under 65.

What if I'm declined?

Washington's high-risk pool, WSHIP, offers a Medicare Supplement plan to some people declined for health reasons.

Using an agent

Common questions

Does an agent cost more?

No. Medigap premiums are filed with the state and are the same whether you buy through an agent or directly.

Why doesn't this site show premiums?

Premiums change during the year and depend on discounts. A current quote is the only reliable number.

Who runs Medigap Assist?

Maru Insurance, an independent agency. Vadim Marusin is a licensed Washington insurance producer (license 1365574, NPN 22261820).

Questions about Medigap in Washington?

Leave your name and number. A licensed agent will call you back, usually within one business day.

By sending this form, you agree that Maru Insurance may contact you by phone, text or email about Medicare Supplement insurance. Agreeing isn't a condition of buying anything. No obligation. Please don't include health details or your Medicare number.