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Medicare Supplement (Medigap) plans in Grant County, Washington
Every insurer selling Medigap in Grant County, with its premium for each plan. Covers Moses Lake, Ephrata, Quincy, Grand Coulee, Royal City, and Soap Lake.
- Insurers selling here
- 15 of 17
- Lowest open Plan G
- $239/mo
- Lowest open Plan N
- $189/mo
- County seat
- Ephrata
- Region
- Columbia Basin
15 insurers sell Medicare Supplement insurance in Grant County, out of 17 approved in Washington. Residents of Moses Lake, Ephrata, Quincy, Grand Coulee, Royal City, and Soap Lake 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 Grant 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.
Grant County is in the 16-county area served by Asuris Northwest Health, so Regence BlueShield's Medigap plans are not sold here. Premera Blue Cross sells here, with Plan G at $286. Grant 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, Grant County
Insurers that sell in Grant County. Age 65+, bank draft. OIC chart current as of October 8, 2026.
Every plan and insurer in Grant County
| Insurer selling in Grant County | A | B | D | G | HD-G | K | L | N | C | F | HD-F |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Asuris | $338 | – | – | $394 | – | $244 | – | $294 | $475 | $476 | – |
| 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 | – | – |
| 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, Grant County
Plan N trades office and ER copays for a lower premium.
Largest towns
| Town | Population (2024) |
|---|---|
| Moses Lake | 26,969 |
| Ephrata | 8,718 |
| Quincy | 8,294 |
| Mattawa | 3,784 |
| Warden | 2,806 |
| Royal City | 1,907 |
Hospitals in Grant County
| Hospital | – | Type | CMS overall rating |
|---|---|---|---|
| Columbia Basin Hospital Ephrata | under 1 mi | Critical access | not rated |
| Quincy Valley Medical Center Quincy | under 1 mi | Critical access | not rated |
| Samaritan Hospital Moses Lake | under 1 mi | Acute care | 2 of 5 stars |
Doctors in Grant County
494 Medicare clinician listings at Grant 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 | 4 |
| Cancer care | 2 |
| Orthopedics | 9 |
| Eye care | 15 |
| Kidney care | 1 |
| Neurology | 0 |
| Lung care | 1 |
| Digestive care | 5 |
| Urology | 2 |
| Dermatology | 1 |
| Diabetes and hormone care | 0 |
| Ear, nose and throat | 1 |
| Physical therapy | 15 |
| Mental health | 25 |
| Hearing | 0 |
All 22 cities and communities in Grant 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 Grant 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 Grant 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 Grant County?
15. Not available here: Regence BlueCross BlueShield of Oregon and Regence BlueShield.
Where can I get free Medicare help in Grant County?
SHIBA, the state's free Medicare counseling program, takes calls at 1-800-562-6900 and can connect you to a local volunteer.