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Medigap in ZIP code 99123, Electric City 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.
99123 is in Grant County, where 15 insurers sell Medicare Supplement plans: 15 sell Plan G and 14 sell Plan N.
- County
- Grant
- Closest community
- Electric City
- Medicare clinicians in 99123
- 1
- Nearest hospital
- 9 mi
CMS lists 1 Medicare clinician practicing at addresses in 99123, all listed as always accepting Medicare assignment. Counting everything within 8 miles of the ZIP's center: 1 clinicians, 0.0% sometimes declining assignment (statewide 4.5%). Nearest general hospital: Coulee Medical Center in Grand Coulee, about 9 miles. Nearest Medicare-certified nursing home: Colville Tribal Convalescent C, about 17 miles (5 of 5 stars).
18,302 people on Medicare in Grant County63% in Original Medicare (WA 50%)11% of those 65+ are 85 or older
Medigap plans sold in 99123
| 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 |
| Specialty in 99123 | Clinicians |
|---|---|
| Physical therapy | 1 |
Hospitals near 99123
| Hospital | Distance | Type | CMS overall rating |
|---|---|---|---|
| Coulee Medical Center Grand Coulee | 9 mi | Critical access | not rated |
| Mid Valley Hospital & Clinic Omak | 36 mi | Critical access | not rated |
| Three Rivers Hospital Brewster | 39 mi | Critical access | not rated |
Communities near 99123
- Electric City (2 mi)
- Grand Coulee (4 mi)
- Coulee Dam (7 mi)
- Elmer City (9 mi)
- Almira (13 mi)
Neighboring ZIP codes: 99124, 99133, 99116, 99103, 99135, 99185.
Common questions
Which insurers sell Medigap Plan G in 99123?
15 insurers sell Plan G to Grant County residents (OIC chart current as of October 8, 2026).
How many Medigap insurers sell in 99123?
15, the Grant County line-up.
Sources
- Washington OIC / SHIBA, 2026 Approved Medicare Supplement (Medigap) plans (rates current as of October 8, 2026)
- Washington OIC, Medigap (Medicare Supplement) plan coverage and costs
- CMS Doctors and Clinicians National Downloadable File (data.cms.gov dataset mj5m-pzi6), released Nov. 12, 2026
- CMS Hospital General Information (data.cms.gov dataset xubh-q36u)
- CMS Nursing Home Provider Information, October 2026 (data.cms.gov dataset 4pq5-n9py)
- U.S. Census Bureau 2024 Gazetteer files; 2024 population estimates (SUB-EST2024)
- U.S. Census Bureau 2024 ZCTA Gazetteer; 2020 ZCTA-to-county relationship file