# Atlas Commons research objects — Medicare plans in Marion, Oregon (CY2026) — context brief

CMS CY2026 Medicare Advantage and Part D plans available in Marion, Oregon: 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:

- **35 Medicare plans are available in Marion, Oregon 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 Marion, Oregon range from $0.00/mo to $224.00/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 32 of 35 Medicare plans in Marion, Oregon (CY2026); average overall: 3.4 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 Marion, Oregon (the epistemic boundary)** — INTERPRETATION · Coverage Atlas framing (over the CMS facts above) (https://coverage-atlas.ryanjhunter.workers.dev/coverage/medicare-plans/or/marion)

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

**Medicare plans in Marion, Oregon (CY2026) — all RECORDED/DETERMINATION** (35): H0710_036 — UHC Nursing Home Plan OR-F001 (PPO I-SNP) — SNP — PPO I-SNP — UnitedHealthcare — 10.5 — 4.5 — 9250 — No; H0710_037 — UHC Care Advantage OR-E001 (PPO I-SNP) — SNP — PPO I-SNP — UnitedHealthcare — 10.5 — 4.5 — 4000 — No; H1372_001 — AgeRight Advantage Health Plan (HMO I-SNP) — SNP — HMO I-SNP — AgeRight Advantage — 10.5 — Not rated — 9250 — No…