Medicare by region · Vancouver, Olympia, Longview, Centralia, Aberdeen, the coast and the Columbia Gorge
Clark County looks to Portland, Thurston County to the state capitol, and the coast and the Gorge to public hospital districts a long drive from anywhere. Three different Medicare markets under one heading.
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Medicare in the region
Southwest Washington is three markets. Vancouver and Clark County have a deep Advantage menu shaped by Portland: PeaceHealth Southwest, Legacy Salmon Creek and the Vancouver Clinic on this side, OHSU and Kaiser Permanente Northwest across the bridges, and a VA campus in Vancouver that belongs to the Portland system. Olympia and Thurston County have Providence St. Peter and MultiCare Capital, plus thousands of state retirees whose PEBB coverage has its own Medicare rules.
West and south of both, the menu thins fast. Grays Harbor, Pacific, Wahkiakum, Skamania and Klickitat counties each lean on a small hospital or hospital district, and a specialist means Olympia, Vancouver or Portland. Out there, an Advantage plan with a network that stops at the county line can be a poor bargain, and Original Medicare with a Medigap policy is often the practical answer.
What to watch: Clark County’s Medicare market is really a Portland market: Kaiser Permanente Northwest, Legacy and PeaceHealth all straddle the river, and many Advantage networks are built for both states. Thurston County is Providence and MultiCare territory with a large state-retiree population on PEBB. The coast counties and the Gorge have thin menus and long drives.
Counties: Clark, Cowlitz, Wahkiakum, Skamania, Klickitat, Thurston, Lewis, Pacific, Grays Harbor.
Each contracts differently with each plan; we check your doctors first.
Turning 65? Your Initial Enrollment Period is the 7 months around your birthday. Already on Medicare? The Annual Election Period is Oct 15–Dec 7, and Medicare Advantage Open Enrollment runs Jan 1–Mar 31. Already have a Medigap policy? Washington lets you change it any time of year.
Your options
All-in-one Part C plans, often $0 premium, that use a local network — so whether UW Medicine, Providence, MultiCare or Kaiser is in it matters as much as the price.
How Advantage worksMedigap pairs with Original Medicare and lets you see any provider in the country that accepts Medicare — and in Washington you can change plans any time.
How Medigap worksStandalone drug coverage chosen around your medications and pharmacy. 2026 out-of-pocket cap: $2,100.
How Part D worksAdvantage plans built for a chronic condition, for nursing-facility care, or for people with both Medicare and Apple Health.
About SNPsQuestions from Southwest Washington
Clark County typically offers a broad Medicare Advantage menu, including plans whose networks reach into Portland, plus every Medigap carrier in Washington and the full Part D lineup. Cowlitz, Skamania and Klickitat counties have fewer Advantage plans. We compare what is sold at your address.
PEBB retiree coverage has its own Medicare enrollment rules and its own Medicare plans, and leaving it can be hard to undo. Talk to us before you assume the ordinary employer rules apply; we walk through how PEBB fits with Medicare, Medigap and Part D.
Nothing. Independent agents are paid by the carriers when you enroll, so comparing plans and reviewing your coverage each year is free to you.
Ready when you are
A short, friendly conversation — no pressure, no cost.
Written and reviewed by Darin Weidauer — licensed insurance agent (NPN 18580338, WA License #1010707), Gerontologist (USC Leonard Davis School of Gerontology), MBA, Registered Social Security Analyst, and 22-year U.S. Air Force veteran.Last reviewed September 13, 2026. Plan availability, benefits and costs change every plan year — verify current details at Medicare.gov, 1-800-MEDICARE, or Washington SHIBA at 800-562-6900.