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HomeMedicare 2026WashingtonSeaTacBefore AEP ends Dec. 7, know who's unbiased

Medicare 2026

Before AEP ends Dec. 7, know who's unbiased

In SeaTac, sorting through Medicare choices can feel like a full-time job. With 68 Medicare Advantage plans available in King County and a stack of mail arriving every fall, many people just want one thing: a straight answer from someone who is not trying to sell them anything. The good news is that free, unbiased help exists — and so do licensed agents, if you want a guided walk through your options.

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This helps match you with options you’re eligible for.

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This affects which Medicare options you can choose.

Medicare options in your area

These listings are provided by licensed insurance partners.

2027 PLAN ALERT

Medicare Advantage plans in your area are changing or leaving for 2027.

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Annual Enrollment: Oct 15 – Dec 7

Advertising disclosure: MyMedicarePlans.org may be compensated when you contact a partner or licensed agent. Listings are not ranked or endorsed by us, and we do not recommend specific plans. You can also contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.

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BEFORE YOU ENROLL

Found a plan you like online?

One free call confirms it's actually right for you — online directories are wrong more often than you'd think.

  • Your doctors — confirmed in-network for 2027
  • Your prescriptions — checked against the plan's 2027 drug tiers
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Reading mail at kitchen table in SeaTac — illustrating this Medicare guide
Photo: sk Photo by sk on Unsplash

Key takeaways

  • Washington's SHIP program, called SHIBA, offers free one-on-one Medicare counseling and is not tied to any insurance company.
  • SeaTac is in King County, where 49 Medicare Advantage plans from 11 carriers are available for 2027.
  • Medicare's Annual Enrollment Period runs Oct. 15 – Dec. 7, and Medicare Advantage Open Enrollment runs Jan. 1 – March 31.
  • The Part D out-of-pocket cap is $2,100 in 2026 and $2,400 in 2027. The Part D maximum deductible is $615 in 2026 and $700 in 2027.

What "unbiased" really means

Unbiased help comes from someone who does not earn a commission based on which plan you pick. That usually means a trained counselor or a public program. Licensed agents can also be helpful and knowledgeable, but they are paid by carriers, and most only represent a subset of plans. Both types of help have a place — the trick is knowing which one you are talking to.

SHIBA: Washington's free Medicare counseling program

Every state has a State Health Insurance Assistance Program (SHIP). In Washington, it is called SHIBA — the Statewide Health Insurance Benefits Advisors program, run by the Office of the Insurance Commissioner. SHIBA counselors are volunteers trained to explain your Medicare options without selling anything.

SeaTac residents can reach SHIBA by calling 1-800-562-6900 or visiting insurance.wa.gov/shiba. Counselors can help you:

Appointments are free and confidential. Some are handled by phone, some in person at libraries and senior centers around King County.

Licensed agents and brokers

If you prefer working with an insurance professional, a licensed agent can walk you through the plans they are appointed to sell. A few things to keep in mind:

A good agent will explain the trade-offs, not push a decision.

Official Medicare tools you can use yourself

You do not have to talk to anyone to start comparing plans. Two official resources are free and neutral:

These are the same sources SHIBA counselors and agents use.

Deadlines and figures worth knowing for 2027

A few Medicare basics apply no matter who helps you:

A word on Star Ratings

You may see plans labeled with Star Ratings from 1 to 5. Medicare uses these to measure plan quality on things like customer service and preventive care. They can be one useful data point, but they change year to year and do not tell you whether a specific plan fits your doctors, prescriptions, or budget. Use them as a starting question, not a final answer.

By the numbers

Medicare Part B premium, 2006–2026

The standard monthly Part B premium has climbed from $88.50 in 2006 to $202.90 in 2026. Hover any point for that year’s premium.

$0$50$100$150$200200820122016202020242026

Source: CMS. Standard premium shown; in some hold-harmless years many existing enrollees paid less. Confirm at Medicare.gov.

By the numbers

How people get Medicare in King County

54% are on Medicare Advantage
(MA penetration in King County)
54%
46%
Medicare Advantage Medicare Supplement (Medigap) Original Medicare only
U.S. average

MA penetration from CMS enrollment data; Medigap share is an estimate. U.S. average is about 54% Medicare Advantage. These are area-level figures, not plan-specific.

Compare with a licensed agent

See Medicare options serving SeaTac & speak with a licensed agent

Medicare Advantage companies in King County

By local enrollment size · informational, not a ranking
CompanyLocal enrollmentPlans offeredLocal agentsAction
UnitedHealthcareNational—Yes
HumanaNational—Yes
Kaiser PermanenteRegional—Yes
Aetna (CVS Health)National—Yes
Cambia Health Solutions IncRegional—Yes
Molina Healthcare IncRegional—Yes
Enrollment data: CMS Medicare Advantage enrollment by company (county level). Figures shown are illustrative sample data pending the current CMS file. Listed by enrollment size, largest first — this is not a ranking, recommendation, or endorsement of any company or plan.

Provided by licensed insurance partners; MyMedicarePlans.org may be compensated. Not a ranking or endorsement of any plan.

Explore

When can you enroll? An interactive year

JFMAMJJASOND
October 15 – December 7 — anyone with Medicare can join, switch, or drop a Medicare Advantage or Part D plan. Changes take effect January 1.

Enrollment windows are federal and the same nationwide. Confirm your personal dates at Medicare.gov or 1-800-MEDICARE.

Explore

The parts of Medicare

Part A covers inpatient hospital stays, skilled nursing facility care, hospice, and some home health care. Most people pay no premium for Part A.

Good to know

Frequently asked questions

Is SHIBA really free?
Yes. SHIBA is Washington's federally funded SHIP program, and counselors are volunteers. There is no charge, and they do not sell insurance or earn commissions.
Should I call SHIBA or a licensed agent first?
It depends on what you want. SHIBA is best if you want a neutral explanation of how Medicare works, help comparing all your options, or assistance with programs like Extra Help. A licensed agent is useful if you have narrowed things down and want help enrolling in a specific plan.
How many Medicare plans can I actually choose from in SeaTac?
SeaTac is in King County, where 49 Medicare Advantage plans are available for 2027, offered by 11 MA-PD carriers. A counselor or the Medicare.gov Plan Finder can help you narrow the list based on your doctors and medications.
What if I miss the Annual Enrollment Period?
You may still have options. Medicare Advantage Open Enrollment runs January 1 – March 31, and certain life events — like moving or losing other coverage — can trigger a Special Enrollment Period. Call 1-800-MEDICARE or SHIBA to check. ## Where to go next For personalized answers, start with the official sources: **Medicare.gov**, **1-800-MEDICARE (1-800-633-4227)**, or **SHIBA at 1-800-562-6900**. These are the same tools SeaTac's neighbors, family caregivers, and counselors use every day — and they will not cost you a dime.
Sources & further reading
  • CMS — MA/Part D Landscape & Plan Finder data

For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.

Also for SeaTac

Content Integrity Standards

  • No invented figures. Program-level numbers come from CMS / Medicare.gov; we never use placeholder data.
  • No plan rankings or recommendations. This is educational content. We don't rank, score, or recommend specific plans.
  • AI-assisted, human-reviewed. Articles are produced with AI-assisted tools and reviewed by the responsible desk before publishing.
  • Inline sourcing. Facts and figures are cited to primary sources — CMS, SSA, and Medicare.gov.
  • Correction transparency. We fix errors openly and note when a page was last updated.
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This page was last updated: September 29, 2026.

Medicare plans in your area changing for 2027 — check yoursCall