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Medicare Supplement (Medigap) plans in Lewis County, Washington
Every insurer selling Medigap in Lewis County, with its premium for each plan. Covers Centralia, Chehalis, Winlock, Morton, and Toledo.
- Insurers selling here
- 15 of 17
- Lowest open Plan G
- $239/mo
- Lowest open Plan N
- $189/mo
- County seat
- Chehalis
- Region
- Southwest Washington
15 insurers sell Medicare Supplement insurance in Lewis County, out of 17 approved in Washington. Residents of Centralia, Chehalis, Winlock, Morton, and Toledo 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 Lewis 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.
Lewis 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. Lewis County is not on the list of counties with a reasonable choice of Medicare Advantage plans, so a resident declined by Medigap insurers for health reasons may qualify for the WSHIP Medicare Supplement plan. See if you're turned down for Medigap.
Medicare Supplement Plan G, monthly premium, Lewis County
Insurers that sell in Lewis County. Age 65+, bank draft. OIC chart current as of October 8, 2026.
Every plan and insurer in Lewis County
| Insurer selling in Lewis County | A | B | D | G | HD-G | K | L | N | C | F | HD-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 | – | – | – | – | – | – | – |
Medicare Supplement Plan N, monthly premium, Lewis County
Plan N trades office and ER copays for a lower premium.
Largest towns
Hospitals in Lewis County
| Hospital | – | Type | CMS overall rating |
|---|---|---|---|
| Arbor Health Morton Hospital Morton | under 1 mi | Critical access | not rated |
| Providence Centralia Hospital Centralia | under 1 mi | Acute care | 3 of 5 stars |
Doctors in Lewis County
418 Medicare clinician listings at Lewis County addresses; 2.2% are marked as sometimes declining Medicare assignment (statewide 4.5%). That's below the state level, so excess charges are less of a concern here.
| Specialty | Clinicians in county |
|---|---|
| Cardiology | 7 |
| Cancer care | 3 |
| Orthopedics | 6 |
| Eye care | 30 |
| Kidney care | 0 |
| Neurology | 1 |
| Lung care | 4 |
| Digestive care | 0 |
| Urology | 0 |
| Dermatology | 0 |
| Diabetes and hormone care | 0 |
| Ear, nose and throat | 0 |
| Physical therapy | 37 |
| Mental health | 22 |
| Hearing | 0 |
All 14 cities and communities in Lewis 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 Lewis 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 Lewis 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 Lewis County?
15. Not available here: Asuris and Regence BlueCross BlueShield of Oregon.
Where can I get free Medicare help in Lewis County?
SHIBA, the state's free Medicare counseling program, takes calls at 1-800-562-6900 and can connect you to a local volunteer.