Home / Cities / Benton City / ZIP 99320
Medigap in ZIP code 99320, Benton 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.
99320 is in Benton County, where 15 insurers sell Medicare Supplement plans: 15 sell Plan G and 14 sell Plan N.
- County
- Benton
- Closest community
- Benton City
- Medicare clinicians in 99320
- 28
- Nearest hospital
- 12 mi
CMS lists 28 Medicare clinicians practicing at addresses in 99320; 4 may not always accept Medicare assignment. Practices here include Prosser Public Hospital District of Benton County. Counting everything within 8 miles of the ZIP's center: 70 clinicians, 7.1% sometimes declining assignment (statewide 4.5%). Nearest general hospital: Kadlec Regional Medical Center in Richland, about 12 miles. Nearest Medicare-certified nursing home: Richland Post Acute, about 11 miles (5 of 5 stars).
41,839 people on Medicare in Benton County68% in Original Medicare (WA 50%)11% of those 65+ are 85 or older
Medigap plans sold in 99320
| 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 99320 | Clinicians |
|---|---|
| Cardiology | 2 |
| General surgery | 1 |
| Orthopedics | 1 |
| Mental health | 1 |
| Urology | 1 |
| Foot care | 1 |
Hospitals near 99320
| Hospital | Distance | Type | CMS overall rating |
|---|---|---|---|
| Kadlec Regional Medical Center Richland | 12 mi | Acute care | 4 of 5 stars |
| Astria Sunnyside Hospital Sunnyside | 15 mi | Critical access | 2 of 5 stars |
| Trios Health Kennewick | 15 mi | Acute care | 2 of 5 stars |
Communities near 99320
- Benton City (4 mi)
- West Richland (6 mi)
- Richland (10 mi)
- Prosser (15 mi)
- West Pasco (16 mi)
Neighboring ZIP codes: 99353, 99354, 99352, 98944, 99338, 99350.
Common questions
Which insurers sell Medigap Plan G in 99320?
15 insurers sell Plan G to Benton County residents (OIC chart current as of October 8, 2026).
How many Medigap insurers sell in 99320?
15, the Benton 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