CMS Star Rating — CMS Hospital Quality Compare
Published by Centers for Medicare & Medicaid Services (CMS)· quarterly
CMS's overall 1–5 star rating for U.S. hospitals based on mortality, safety, readmission, patient experience, and timely care measures.
In Detail
CMS Hospital Quality Compare publishes a single Overall Hospital Quality Star Rating (1–5 stars) for every Medicare-certified U.S. hospital, computed from ~50 individual quality measures across 5 groups: mortality (30-day rates for AMI, COPD, heart failure, pneumonia, stroke), safety of care (HAI rates, complication rates), readmission (unplanned 30-day return), patient experience (HCAHPS survey), and timely & effective care. Updated quarterly. ValiFit displays the CMS star rating directly on /hospitals/[id] entity pages as the federally-endorsed quality signal — does not aggregate, weight, or modify it. Per LOCK 7 (FHA-safe positioning), ValiFit reports federal data; we do not invent our own hospital quality rating.
Primary Federal Source
https://www.cms.gov/medicare/quality/initiatives/hospital-quality-initiativeValiFit re-publishes and explains this federal data. The official source is the Centers for Medicare & Medicaid Services (CMS).
How ValiFit uses CMS Star Rating
- /hospitals/[id] entity page quality display
- Hospital JSON-LD aggregateRating
- Property page nearest-hospital quality flag