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Medigap in ZIP code 98104, Seattle 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.

98104 is in King County, where 15 insurers sell Medicare Supplement plans: 15 sell Plan G and 14 sell Plan N.

ZIP 98104, King County

County: King
Closest community: Seattle
Medicare clinicians in 98104: 2,407
Nearest hospital: 0 mi

CMS lists 2,407 Medicare clinicians practicing at addresses in 98104; 49 may not always accept Medicare assignment. Practices here include The Association of University Physicians, Swedish Health Services, The Polyclinic PLLC, Pacmed Clinics, Physicians Anesthesia Service PLLC, and International Community Health Services. Counting everything within 8 miles of the ZIP's center: 13,311 clinicians, 4.0% sometimes declining assignment (statewide 4.5%). Nearest general hospital: Harborview Medical Center in Seattle, under 1 mile. Nearest Medicare-certified nursing home: The Terraces at Skyline, under 1 mile (2 of 5 stars).

368,813 people on Medicare in King County46% in Original Medicare (WA 50%)12% of those 65+ are 85 or older

Medigap plans sold in 98104

King County line-up. Full list: Seattle. OIC chart, October 8, 2026.
Plan	Insurers	Who
Plan G	15	Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more
Plan N	14	Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life 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	Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more
Plan K	2	Regence BlueShield, UnitedHealthcare (AARP)
Plan F	13	Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more

Source: CMS Doctors and Clinicians file.
Specialty in 98104	Clinicians
Mental health	121
Physical therapy	89
Eye care	77
Cancer care	48
Orthopedics	47
General surgery	41
Digestive care	39
Cardiology	38
Neurology	37
Lung care	32

Hospitals near 98104

Straight-line distance from the town center. Source: CMS Hospital General Information.
Hospital	Distance	Type	CMS overall rating
Harborview Medical Center Seattle	under 1 mi	Acute care	2 of 5 stars
Virginia Mason Medical Center Seattle	under 1 mi	Acute care	5 of 5 stars
Swedish Medical Center / Cherry Hill Seattle	2 mi	Acute care	4 of 5 stars

Communities near 98104

Seattle (2 mi)
Medina (5 mi)
Mercer Island (5 mi)
Hunts Point (6 mi)
Clyde Hill (6 mi)

Neighboring ZIP codes: 98174, 98164, 98154, 98101, 98121, 98134.

Common questions

Which insurers sell Medigap Plan G in 98104?

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

How many Medigap insurers sell in 98104?

15, the King County line-up.