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

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

- **59 Medicare plans are available in Multnomah, 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 Multnomah, 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 56 of 59 Medicare plans in Multnomah, Oregon (CY2026); average overall: 3.6 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 Multnomah, Oregon (the epistemic boundary)** — INTERPRETATION · Coverage Atlas framing (over the CMS facts above) (https://coverage-atlas.ryanjhunter.workers.dev/coverage/medicare-plans/or/multnomah)

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

**Medicare plans in Multnomah, Oregon (CY2026) — all RECORDED/DETERMINATION** (59): 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; H1036_153 — Humana Gold Plus H1036-153 (HMO) — MA-PD — HMO — Humana — 0 — 4.5 — 4750 — No…