# Atlas Commons research objects — Medicare plans in All Counties, Massachusetts (CY2026) — context brief

CMS CY2026 Medicare Advantage and Part D plans available in All Counties, Massachusetts: 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:

- **11 Medicare plans are available in All Counties, Massachusetts for contract year 2026** — DERIVED · 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 All Counties, Massachusetts (the epistemic boundary)** — INTERPRETATION · Coverage Atlas framing (over the CMS facts above) (https://coverage-atlas.ryanjhunter.workers.dev/coverage/medicare-plans/ma/all-counties)

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

**Medicare plans in All Counties, Massachusetts (CY2026) — all RECORDED/DETERMINATION** (11): S2893_001 — Blue MedicareRx Value Plus (PDP) — PDP — PDP — Blue MedicareRx — N/A — Not rated — N/A — No; S2893_003 — Blue MedicareRx Premier (PDP) — PDP — PDP — Blue MedicareRx — N/A — Not rated — N/A — No; S4802_076 — Wellcare Classic (PDP) — PDP — PDP — Wellcare — N/A — Not rated — N/A — No…