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Medigap in Oso, WA: Medicare Supplement plans and insurers

Oso is an unincorporated community in Snohomish County. 15 of the insurers we track sell Medicare Supplement policies to its residents: 15 sell Plan G and 14 sell Plan N. Below: who they are, plus the doctors, hospitals and skilled nursing facilities near Oso.

County
Snohomish County
Insurers selling here
15
Sell Plan G
15
Sell Plan N
14
Nearest hospital
5 miles

Who sells Plan G and Plan N in Oso

InsurerPlan GPlan NHD Plan G
Bankers Reserve Life✓✓–
First Health Life & Health✓✓–
GPM Health & Life✓✓–
HumanaDental✓✓✓
Insurance Company of North America✓✓✓
Medco Containment Life✓✓–
Premera✓✓✓
Regence BlueShield✓✓–
State Farm
sold through State Farm agents
✓✓–
USAA
USAA eligibility required
✓✓–
United American✓✓✓
United World Life (Mutual of Omaha)✓✓✓
UnitedHealthcare (AARP)
AARP membership required
✓✓–
WA Health Care Authority Premera Plan G
state-sponsored group plan
✓––
Washington National✓✓✓
✓ = sells that plan to Snohomish County residents. All plans and insurers in Snohomish County. OIC chart, October 8, 2026. Ask a licensed agent for current premiums.

Doctors around Oso

CMS lists 292 clinicians with practice locations within 8 miles of Oso, including 103 in primary care (family and internal medicine, nurse practitioners and physician assistants). 16 of them (5.5%) are listed as sometimes declining assignment, close to the 4.5% statewide figure. Ask each provider whether they accept assignment; if they all do, Plan N's excess-charge gap won't affect you. Within 25 miles, CMS lists clinicians in physical therapy, mental health, eye care, cardiology, chiropractic, general surgery, and orthopedics. Practices with Medicare clinicians near Oso include Public Hospital Dist No 1 Skagit and Galen Inpatient Physicians Pc.

How far to each kind of specialist

SpecialtyClinicians within 25 miNearest
Cardiology755 mi, Oso
Cancer care345 mi, Oso
Orthopedics475 mi, Oso
Eye care1035 mi, Oso
Kidney care255 mi, Oso
Neurology375 mi, Oso
Lung care1911 mi, Lake McMurray
Digestive care265 mi, Oso
Urology1411 mi, Lake McMurray
Dermatology215 mi, Oso
Diabetes and hormone care611 mi, Lake McMurray
Ear, nose and throat195 mi, Oso
Physical therapy2355 mi, Oso
Mental health1385 mi, Oso
Clinicians enrolled in Medicare, counted once per ZIP area where they practice. Distances are to the center of the nearest ZIP area with that specialty. Source: CMS Doctors and Clinicians file.

Hospitals near Oso

HospitalDistanceTypeCMS overall rating
Cascade Valley Hospital
Arlington
5 miAcute care4 of 5 stars
Skagit Valley Hospital
Mount Vernon
11 miAcute care3 of 5 stars
PeaceHealth United General Medical Center
Sedro Woolley
21 miCritical access3 of 5 stars
Providence Regional Medical Center Everett
Everett
24 miAcute care4 of 5 stars
Straight-line distance from the town center. Source: CMS Hospital General Information.

The closest hospital to Oso is Cascade Valley Hospital in Arlington, about 5 miles away. Medigap has no hospital network: the Part A deductible ($1,736 in 2026) is covered the same here as anywhere.

Skilled nursing near Oso

Skilled nursing facilityDistanceBedsCMS overall rating
Arlington Health and Rehabilitation
Arlington
12 mi764 of 5 stars
Marysville Care Center
Marysville
19 mi974 of 5 stars
Mountain View Rehabilitation and Care Center
Marysville
20 mi825 of 5 stars
Mira Vista Care Center
Mount Vernon
21 mi613 of 5 stars
Medicare-certified nursing homes. Source: CMS Nursing Home Provider Information, October 2026.

4 Medicare-certified nursing homes are within 35 miles of Oso. The highest-rated is Mountain View Rehabilitation and Care Center in Marysville (5 of 5 stars). Plans G and N pay the $217-a-day coinsurance for days 21 to 100 (2026).

Snohomish County notes

Of the regional Blue plans, Regence BlueShield sells in Snohomish County. WSHIP status: reasonable-choice county (what that means). See the Snohomish County page for the county-wide view.

Nearby

ZIP codes around Oso: 98223.

Common questions

Which insurers sell Medigap Plan G in Oso, WA?

15: Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life, Premera, Regence BlueShield, State Farm, USAA, United American, United World Life (Mutual of Omaha), UnitedHealthcare (AARP), WA Health Care Authority Premera Plan G, Washington National, on the OIC chart current as of October 8, 2026.

Which Medigap insurers sell in Oso?

15: Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life, Premera, Regence BlueShield, State Farm, USAA, United American, United World Life (Mutual of Omaha), UnitedHealthcare (AARP), WA Health Care Authority Premera Plan G, Washington National. They sell throughout Snohomish County.

Do doctors near Oso accept Medicare assignment?

Of 292 clinicians CMS lists within 8 miles, 276 (94.5%) always accept assignment and 16 may not.

Can I use Medigap at Cascade Valley Hospital?

Yes, if it accepts Medicare, which every hospital in this list does. Medigap has no network, except Medicare SELECT policies.

Is Medigap more expensive in Oso than in Seattle?

No. Each insurer charges the same premium for a plan everywhere it sells in Washington. What differs is which insurers sell in your county.

Sources

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