# Atlas Commons research objects — Medicare plans in Yuba, California (CY2026) — context brief

CMS CY2026 Medicare Advantage and Part D plans available in Yuba, California: plan count (AGGREGATED), premium range (RECORDED from CMS Landscape Files), CMS star ratings (DETERMINATION — CMS-issued institutional quality rating), and epistemic boundary (INTERPRETATION). Premiums are base plan premiums; actual cost depends on Part B premium, IRMAA, and LIS. Star ratings are CMS quality scores. This surface informs; it does not rank or advise. Use medicare.gov/plan-compare to enroll. CC0.

Claims (warrant · source), each re-fetchable to verify:

- **7 Medicare plans are available in Yuba, California for contract year 2026** — DERIVED · CMS CY2026 Medicare Landscape Files (https://www.cms.gov/medicare/health-drug-plans/medicare-advantage/plan-information/plan-information)
- **Monthly premiums for Medicare plans in Yuba, California range from $0.00/mo to $95.00/mo (CY2026)** — RECORDED · CMS CY2026 Medicare Landscape Files (https://www.cms.gov/medicare/health-drug-plans/medicare-advantage/plan-information/plan-information)
- **CMS assigned star ratings to 7 of 7 Medicare plans in Yuba, California (CY2026); average overall: 3.7 stars** — PROJECTED · CMS CY2026 Medicare Landscape Files (https://www.cms.gov/medicare/health-drug-plans/medicare-advantage/plan-information/plan-information)
- **What these Medicare plan figures are — and are NOT — for Yuba, California (the epistemic boundary)** — INTERPRETATION · Coverage Atlas framing (over the CMS facts above) (https://coverage-atlas.ryanjhunter.workers.dev/coverage/medicare-plans/ca/yuba)

Do not take these on trust — re-fetch each named source. Full structured object: `https://coverage-atlas.ryanjhunter.workers.dev/coverage/medicare-plans/ca/yuba.jsonld` · anatomy of the research object: see /commons/the-research-object

**Medicare plans in Yuba, California (CY2026) — all RECORDED/DETERMINATION** (7): H0524_013 — Kaiser Permanente Sr Adv Enhanced Sac., Sonoma (HMO) — MA-PD — HMO — Kaiser Permanente — 95 — 4.5 — 3900 — No; H0524_051 — Kaiser Permanente Sr Advantage Basic Sac., Sonoma (HMO) — MA-PD — HMO — Kaiser Permanente — 24 — 4.5 — 6000 — No; H4704_002 — Anthem Dual Advantage 2 (PPO D-SNP) — SNP — PPO D-SNP — Anthem Blue Cross Life and Health Insurance Company — 0 — 2.5 — 9250 — No…