Medigap AssistWashington Medicare Supplement guide · a service of Maru Insurance Licensed agent, Washington360-255-8725

Home / Counties / Cowlitz County

Medicare Supplement (Medigap) plans in Cowlitz County, Washington

Every insurer selling Medigap in Cowlitz County, with its premium for each plan. Covers Longview, Kelso, Kalama, Woodland, and Castle Rock.

Insurers selling here
15 of 17
Lowest open Plan G
$239/mo
Lowest open Plan N
$189/mo
County seat
Kelso
Region
Southwest Washington

15 insurers sell Medicare Supplement insurance in Cowlitz County, out of 17 approved in Washington. Residents of Longview, Kelso, Kalama, Woodland, and Castle Rock choose from the same list, at the same premiums anyone else in the state pays for that insurer's plan. The lowest Plan G premium open to any Cowlitz County resident 65 or older is $239 a month from First Health Life & Health. The lowest Plan N is $189 from First Health Life & Health. High-deductible Plan G starts at $48 a month here, if you can cover the first $2,950 of costs in a bad year.

Cowlitz County is one of the 22 counties where Regence BlueShield sells Medigap, including its low-premium Plan K at $121. Asuris Northwest Health does not sell here. Premera Blue Cross sells here, with Plan G at $286. For the WSHIP Medicare Supplement plan, Cowlitz County counts as having a reasonable choice of Medicare Advantage plans, which narrows who can use WSHIP here. See if you're turned down for Medigap.

Medicare Supplement Plan G, monthly premium, Cowlitz County

Insurers that sell in Cowlitz County. Age 65+, bank draft. OIC chart current as of October 8, 2026.

WA Health Care Authority Premera Plan Gstate-sponsored group plan
$233
USAAUSAA eligibility required
$309
State Farmsold through State Farm agents
$310
UnitedHealthcare (AARP)AARP membership required
$324

Every plan and insurer in Cowlitz County

Insurer selling in Cowlitz CountyABDGHD-GKLNCFHD-F
Bankers Reserve Life$234––$257–––$194–$336–
First Health Life & Health$175$215–$239–––$189–$257–
GPM Health & Life$375––$466–––$239–$514–
HumanaDental$204––$330$66––$267–$424$67
Insurance Company of North America$255––$257$65––$191–$329–
Medco Containment Life$259––$311–––$226–$377$93
Premera$240––$286$71––$215$328––
Regence BlueShield$282––$317–$121–$244$395$401–
State Farm$252–$309$310–––$239$409$413–
USAA$155––$309–––$194–$343–
United American$190$284$305$293$48––$242$320$356$48
United World Life (Mutual of Omaha)$208––$379$61––$265–$501–
UnitedHealthcare (AARP)$225$332–$324–$103$228$265$390$392–
Washington National$241––$274$68––$192–$396–
WA Health Care Authority Premera Plan G–––$233–––––––
Monthly premiums, age 65+, bank draft. Highlighted = lowest for that plan in Cowlitz County. – = not offered. HD = high-deductible. Washington OIC chart current as of October 8, 2026.

Medicare Supplement Plan N, monthly premium, Cowlitz County

Plan N trades office and ER copays for a lower premium.

USAAUSAA eligibility required
$194
State Farmsold through State Farm agents
$239
UnitedHealthcare (AARP)AARP membership required
$265

Largest towns

TownPopulation (2024)
Longview38,294
Kelso12,737
Woodland6,496
Kalama3,131
Castle Rock2,445

Hospitals in Cowlitz County

Hospital–TypeCMS overall rating
PeaceHealth St. John Medical Center
Longview
under 1 miAcute care4 of 5 stars
Straight-line distance from the town center. Source: CMS Hospital General Information.

Doctors in Cowlitz County

589 Medicare clinician listings at Cowlitz County addresses; 10.0% are marked as sometimes declining Medicare assignment (statewide 4.5%). That's above the state level, which makes Plan G's excess-charge coverage more valuable here.

SpecialtyClinicians in county
Cardiology11
Cancer care10
Orthopedics5
Eye care29
Kidney care4
Neurology4
Lung care6
Digestive care5
Urology4
Dermatology8
Diabetes and hormone care0
Ear, nose and throat2
Physical therapy32
Mental health52
Hearing0
Source: CMS Doctors and Clinicians file.

All 10 cities and communities in Cowlitz County · Plan pages: Plan G, Plan N, High-deductible Plan G, Plan A, Plan K, Plan F

Common questions

What is the cheapest Medigap Plan G in Cowlitz County?

$239 a month from First Health Life & Health for anyone 65 or older, on the OIC chart current as of October 8, 2026. The state-sponsored HCA group plan lists $233.

Are Medigap premiums higher in Cowlitz County than in Seattle?

No. Each insurer charges the same premium for a plan everywhere it sells in Washington. Counties differ only in which insurers sell there.

How many Medigap insurers sell in Cowlitz County?

15. Not available here: Asuris and Regence BlueCross BlueShield of Oregon.

Where can I get free Medicare help in Cowlitz County?

SHIBA, the state's free Medicare counseling program, takes calls at 1-800-562-6900 and can connect you to a local volunteer.

Sources

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.