How is Medicare Advantage developing in Fresno County, California?

Data through Plan year 2026, with 2023–2026 penetration history · Updated May 1, 2026 static extract

Fresno County's MA penetration is 62.4% — above the 57.8% national share by 4.6 points, with 0.168M MA enrollees of 0.27M Medicare beneficiaries as of Plan year 2026, with 2023–2026 penetration history. It ranks 3 of 10 California counties by penetration.

62.4%
Plan year 2026, with 2023–2026 penetration history
+0.8 pts
YoY velocity
prior year → Plan year 2026, with 2023–2026 penetration history
3
Carriers competing
Plan year 2026, with 2023–2026 penetration history
22%
D-SNP share of MA
Plan year 2026, with 2023–2026 penetration history

Penetration trajectory, 2023–2026

0%22.5%45%67.5%90%2023202420252026MA % of Medicare

MA share of all Medicare beneficiaries in the county, plan years 2023–2026. Plan year 2026, with 2023–2026 penetration history.

Market structure in Fresno County

Top carrierCentene
Carriers competing3
MA enrollees0.168M
Total Medicare beneficiaries0.27M
D-SNP share of MA22%
Market typeSwitcher (50%+ penetration)

County carrier and D-SNP figures are the CPSC county extract (Plan year 2026, with 2023–2026 penetration history). Carrier-level enrollment and stars are tracked at the state level.

↓ Download CSV ✉ Notify me when this updates

So what / Now what

Fresno County is a switcher market at 62.4% penetration — expansion means winning members from incumbent MA plans on benefits, network, and brand.

Neighboring California counties

Provenance — County-level MA market snapshot (76 tracked counties)
Source file
CMS MA Enrollment by State/County/Plan (CPSC monthly files)
Vintage
Plan year 2026, with 2023–2026 penetration history
Last updated
May 1, 2026
Refresh cadence
Monthly (pipeline pending; currently a curated extract)
Method
Penetration, D-SNP share, carrier count and top carrier per county compiled from CPSC files for 76 high-signal counties.
Known limitations
Covers 76 tracked counties, not all ~3,100. Velocity = simple YoY penetration point change.