Managed Care · CA
California
Saturated · score 53
MA penetration is above average — competition is high, focus on plan-specific wins.
State MA penetration
51.7%
National rank #24 · National avg 47.8%
+3.88 pp vs national
3,663,572
MA beneficiaries (rolled up)
7,088,529
Medicare eligibles
58
Counties indexed
1,162
SNFs in state
MA beneficiaries · 2016–2022
YoY change: +34.6%
SNF utilization rate (MA enrollees)
Share of MA beneficiaries with a SNF stay each year (CMS MA GV PUF).
Most saturated counties
- 67.4%San Bernardino231,794 of 343,882 eligibles
- 63.9%Riverside281,850 of 440,937 eligibles
- 62.0%Sacramento179,425 of 289,487 eligibles
- 58.7%Stanislaus55,650 of 94,846 eligibles
- 57.3%Placer56,828 of 99,121 eligibles
- 57.0%Los Angeles957,136 of 1,679,185 eligibles
- 56.4%Solano51,432 of 91,151 eligibles
- 56.1%Orange331,085 of 590,032 eligibles
- 54.8%Sonoma65,715 of 119,847 eligibles
- 54.8%San Joaquin69,311 of 126,429 eligibles
Highest opportunity counties
- 4.0%Del Norte6,695 eligibles · 271 enrolled
- 4.2%Modoc2,659 eligibles · 112 enrolled
- 6.1%Trinity3,648 eligibles · 222 enrolled
- 8.7%Lassen5,674 eligibles · 492 enrolled
- 9.0%Siskiyou13,943 eligibles · 1,249 enrolled
- 9.6%Mono1,938 eligibles · 186 enrolled
- 10.4%Glenn6,105 eligibles · 634 enrolled
- 11.2%Humboldt30,962 eligibles · 3,469 enrolled
- 11.4%Mendocino24,257 eligibles · 2,757 enrolled
- 11.6%Plumas6,248 eligibles · 722 enrolled
Top MA payers in California
3,713,513 total MA enrolled- 1KAISER FOUNDATION HP, INC.1,513,36640.8%
- 2SCAN HEALTH PLAN423,17411.4%
- 3UHC OF CALIFORNIA253,2516.8%
- 4ALIGNMENT HEALTH PLAN226,9486.1%
- 5BLUE CROSS OF CALIFORNIA PARTNERSHIP PLAN, INC.156,1454.2%
- 6SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC.126,6633.4%
- 7CALIFORNIA PHYSICIANS' SERVICE117,2703.2%
- 8ARCADIAN HEALTH PLAN, INC.110,7243.0%
- 9AETNA LIFE INSURANCE COMPANY79,6532.1%
- 10ANTHEM INSURANCE COMPANIES, INC.68,6331.9%
- 11IMPERIAL HEALTH PLAN OF CALIFORNIA, INC.51,0461.4%
- 12BLUE CROSS OF CALIFORNIA50,0121.4%
- 13CLEVER CARE OF GOLDEN STATE, INC.48,9901.3%
- 14ASTIVA HEALTH, INC.47,7641.3%
- 15HEALTH NET COMMUNITY SOLUTIONS, INC.47,4661.3%
Top-rated SNFs in California
1,162 total- Mary Health of the Sick Convalescent & Nursing HosNewbury Park, CA · Ventura County · 61 beds5★
- Mission View Health CenterSan Luis Obispo, CA · San Luis Obispo County · 162 beds5★
- YUBA CITY POST ACUTEYUBA CITY, CA · Sutter County · 59 beds5★
- MOUNT SAN ANTONIO GARDENSPOMONA, CA · Los Angeles County · 64 beds5★
- Redlands Healthcare CenterRedlands, CA · San Bernardino County · 78 beds5★
- MORAGA POST ACUTEMORAGA, CA · Contra Costa County · 49 beds5★
- LINDA MAR CARE CENTERPACIFICA, CA · San Mateo County · 59 beds5★
- Creekside Healthcare CenterSAN PABLO, CA · Contra Costa County · 80 beds5★
- VILLA CORONADO D/P SNFCORONADO, CA · San Diego County · 122 beds5★
- FAIRFIELD POST-ACUTE REHABFAIRFIELD, CA · Solano 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.