Managed Care · WA
Washington
Moderate opportunity · score 50
MA penetration is near the national average — selective contracting opportunities.
State MA penetration
49.7%
National rank #29 · National avg 47.8%
+1.88 pp vs national
771,282
MA beneficiaries (rolled up)
1,552,548
Medicare eligibles
39
Counties indexed
194
SNFs in state
MA beneficiaries · 2016–2022
YoY change: +66.9%
SNF utilization rate (MA enrollees)
Share of MA beneficiaries with a SNF stay each year (CMS MA GV PUF).
Most saturated counties
- 68.2%Clark71,618 of 105,002 eligibles
- 66.5%Cowlitz19,260 of 28,942 eligibles
- 60.2%Snohomish89,884 of 149,409 eligibles
- 57.8%Spokane69,406 of 120,191 eligibles
- 55.7%Lewis12,839 of 23,060 eligibles
- 54.5%King195,627 of 359,174 eligibles
- 52.8%Thurston36,577 of 69,245 eligibles
- 51.9%Pierce89,555 of 172,718 eligibles
- 47.2%Whatcom25,101 of 53,216 eligibles
- 46.6%Yakima21,589 of 46,309 eligibles
Highest opportunity counties
- 9.2%Klickitat7,067 eligibles · 651 enrolled
- 13.0%Garfield693 eligibles · 90 enrolled
- 15.9%Jefferson15,248 eligibles · 2,426 enrolled
- 17.6%Lincoln3,731 eligibles · 655 enrolled
- 17.6%Pacific9,293 eligibles · 1,638 enrolled
- 17.7%San Juan6,794 eligibles · 1,203 enrolled
- 20.7%Skamania3,130 eligibles · 648 enrolled
- 21.3%Columbia1,362 eligibles · 290 enrolled
- 22.5%Clallam29,334 eligibles · 6,602 enrolled
- 23.1%Grays Harbor22,326 eligibles · 5,152 enrolled
Top MA payers in Washington
785,148 total MA enrolled- 1UnitedHealthcare Benefits of Texas, Inc.190,27724.2%
- 2SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC.107,56413.7%
- 3KAISER FOUNDATION HEALTH PLAN OF WASHINGTON98,89312.6%
- 4ARCADIAN HEALTH PLAN, INC.62,2307.9%
- 5CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO.60,3347.7%
- 6AETNA LIFE INSURANCE COMPANY49,4716.3%
- 7HUMANA INSURANCE COMPANY34,3854.4%
- 8COORDINATED CARE OF WASHINGTON, INC.32,0984.1%
- 9KAISER FOUNDATION HP OF THE N W29,9693.8%
- 10HUMANA MEDICAL PLAN, INC.28,8173.7%
- 11EMPHESYS INSURANCE COMPANY14,6251.9%
- 12MOLINA HEALTHCARE OF WASHINGTON, INC.13,1841.7%
- 13REGENCE BLUESHIELD10,8011.4%
- 14COMMUNITY HEALTH PLAN OF WASHINGTON8,9211.1%
- 15REGENCE BLUECROSS BLUESHIELD OF OREGON8,0751.0%
Top-rated SNFs in Washington
194 total- PANORAMA CITY CONV & REHAB CTRLACEY, WA · Thurston County · 155 beds5★
- TACOMA NURSING AND REHABILITATION CENTERTACOMA, WA · Pierce County · 150 beds5★
- THE OAKS AT TIMBERLINEVANCOUVER, WA · Clark County · 85 beds5★
- GRAYS HARBOR HEALTH & REHABILITATION CENTERABERDEEN, WA · Grays Harbor County · 105 beds5★
- PACIFIC CARE AND REHABILITATIONHOQUIAM, WA · Grays Harbor County · 72 beds5★
- QUEEN ANNE HEALTHCARESEATTLE, WA · King County · 120 beds5★
- OLYMPIA TRANSITIONAL CARE AND REHABILITATIONOLYMPIA, WA · Thurston County · 113 beds5★
- LIFE CARE CENTER OF PORT ORCHARDPORT ORCHARD, WA · Kitsap County · 125 beds5★
- REDMOND CARE AND REHABILITATION CENTERREDMOND, WA · King County · 139 beds5★
- PARK MANOR REHABILITATION CTRWALLA WALLA, WA · Walla Walla County · 99 beds5★
Source: CMS MA State/County Penetration (Aug 2025). Secondary metrics from CMS Medicare Advantage Geographic Variation PUF (2016–2022). Penetration is computed by rolling up county-level CMS-published MA enrolled / Medicare eligibles. Trend chart spans 2016–2022.