Medigap in SeaTac, WA: Medicare Supplement plans and insurers

CMS lists 2,984 clinicians with practice locations within 8 miles of SeaTac, including 1,472 in primary care (family and internal medicine, nurse practitioners and physician assistants). 175 of them (5.9%) 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, cancer care, neurology, and chiropractic. Practices with Medicare clinicians near SeaTac include MultiCare Health System, Healthpoint, Kosnoski Eye Care Inc., Mb2k LLC, and Valley Cities Counseling and Consultation.

The closest hospital to SeaTac is Highline Medical Center in Burien, about 3 miles away. Medigap has no hospital network: the Part A deductible ($1,736 in 2026) is covered the same here as anywhere.

4 Medicare-certified nursing homes are within 35 miles of SeaTac. The highest-rated is Wesley Homes Des Moines Health Center in Des Moines (5 of 5 stars). Plans G and N pay the $217-a-day coinsurance for days 21 to 100 (2026).

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