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Medigap in ZIP code 98858, Waterville area

By Vadim Marusin, licensed Medicare insurance agent in Washington (WAOIC #1365574). Insurer data checked against the state chart current as of October 8, 2026.

98858 is in Douglas County, where 15 insurers sell Medicare Supplement plans: 15 sell Plan G and 14 sell Plan N.

ZIP 98858, Douglas County

County: Douglas
Closest community: Waterville
Medicare clinicians in 98858: 1
Nearest hospital: 26 mi

CMS lists 1 Medicare clinician practicing at addresses in 98858, all listed as always accepting Medicare assignment. Practices here include Central Washington Health Services Association. Counting everything within 8 miles of the ZIP's center: 1 clinicians, 0.0% sometimes declining assignment (statewide 4.5%). Nearest general hospital: Columbia Basin Hospital in Ephrata, about 26 miles. Nearest Medicare-certified nursing home: Colonial Vista Post-acute & Rehab Center, about 27 miles (4 of 5 stars).

9,556 people on Medicare in Douglas County59% in Original Medicare (WA 50%)13% of those 65+ are 85 or older

Medigap plans sold in 98858

Douglas County line-up. Full list: Waterville. OIC chart, October 8, 2026.
Plan	Insurers	Who
Plan G	15	Asuris, Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America and more
Plan N	14	Asuris, Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America and more
High-deductible Plan G	6	HumanaDental, Insurance Company of North America, Premera, United American, United World Life (Mutual of Omaha), Washington National
Plan A	14	Asuris, Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America and more
Plan K	2	Asuris, UnitedHealthcare (AARP)
Plan F	13	Asuris, Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America and more

Hospitals near 98858

Straight-line distance from the town center. Source: CMS Hospital General Information.
Hospital	Distance	Type	CMS overall rating
Columbia Basin Hospital Ephrata	26 mi	Critical access	not rated
Confluence Health Hospital Wenatchee	26 mi	Acute care	3 of 5 stars
Three Rivers Hospital Brewster	32 mi	Critical access	not rated

Communities near 98858

Waterville (9 mi)
Chelan Falls (10 mi)
Chelan (13 mi)
Mansfield (15 mi)
Entiat (16 mi)

Neighboring ZIP codes: 98817, 98843, 98845, 98802, 98850, 98831.

Common questions

Which insurers sell Medigap Plan G in 98858?

15 insurers sell Plan G to Douglas County residents (OIC chart current as of October 8, 2026).

How many Medigap insurers sell in 98858?

15, the Douglas County line-up.