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Medigap in ZIP code 98528, Belfair 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.

98528 is in Mason County, where 15 insurers sell Medicare Supplement plans: 15 sell Plan G and 14 sell Plan N.

ZIP 98528, Mason County
County
Mason
Closest community
Belfair
Medicare clinicians in 98528
28
Nearest hospital
15 mi

CMS lists 28 Medicare clinicians practicing at addresses in 98528; 2 may not always accept Medicare assignment. Practices here include Franciscan Medical Group, Independent Physical Therapy Pc, North Mason Regional Fire Authority, Peninsula Community Health Services, Mc Kinney Whitemarsh PLLC, and Balance Psychiatric Mental Health and Wellness. Counting everything within 8 miles of the ZIP's center: 30 clinicians, 10.0% sometimes declining assignment (statewide 4.5%). Nearest general hospital: St. Anthony Hospital in Gig Harbor, about 15 miles. Nearest Medicare-certified nursing home: Avamere Rehabilitation at Ridgemont, about 12 miles (5 of 5 stars).

20,064 people on Medicare in Mason County54% in Original Medicare (WA 50%)10% of those 65+ are 85 or older

Medigap plans sold in 98528

PlanInsurersWho
Plan G15Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more
Plan N14Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more
High-deductible Plan G6HumanaDental, Insurance Company of North America, Premera, United American, United World Life (Mutual of Omaha), Washington National
Plan A14Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more
Plan K2Regence BlueShield, UnitedHealthcare (AARP)
Plan F13Bankers Reserve Life, First Health Life & Health, GPM Health & Life, HumanaDental, Insurance Company of North America, Medco Containment Life and more
Mason County line-up. Full list: Belfair. OIC chart, October 8, 2026.
Specialty in 98528Clinicians
Chiropractic4
Physical therapy3
Cardiology2
Eye care2
Mental health1
Source: CMS Doctors and Clinicians file.

Hospitals near 98528

HospitalDistanceTypeCMS overall rating
St. Anthony Hospital
Gig Harbor
15 miAcute care5 of 5 stars
St. Michael Medical Center
Silverdale
17 miAcute care4 of 5 stars
Mason General Hospital & Family of Clinics
Shelton
19 miCritical access2 of 5 stars
Straight-line distance from the town center. Source: CMS Hospital General Information.

Communities near 98528

Neighboring ZIP codes: 98524, 98588, 98546, 98329, 98555, 98394.

Common questions

Which insurers sell Medigap Plan G in 98528?

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

How many Medigap insurers sell in 98528?

15, the Mason County line-up.

Sources

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