# Atlas Commons research objects — Medicare plans in Charles, Maryland (CY2026) — context brief

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

- **25 Medicare plans are available in Charles, Maryland 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 Charles, Maryland range from $0.00/mo to $122.00/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 25 of 25 Medicare plans in Charles, Maryland (CY2026); average overall: 3.8 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 Charles, Maryland (the epistemic boundary)** — INTERPRETATION · Coverage Atlas framing (over the CMS facts above) (https://coverage-atlas.ryanjhunter.workers.dev/coverage/medicare-plans/md/charles)

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

**Medicare plans in Charles, Maryland (CY2026) — all RECORDED/DETERMINATION** (25): H0710_032 — UHC Nursing Home Plan EX-F004 (PPO I-SNP) — SNP — PPO I-SNP — UnitedHealthcare — 27.8 — 4.5 — 9250 — No; H2172_002 — Kaiser Permanente Medicare Advantage High MD (HMO-POS) — MA-PD — HMO-POS — Kaiser Permanente — 104 — 4.5 — 5700 — No; H2172_005 — Kaiser Permanente Medicare Advantage Liberty (HMO) — MA — HMO — Kaiser Permanente — N/A — 4.5 — 5900 — No…