CMS-Star-Rankings

Calculate CMS Hospital STAR Rankings

Overview

A web-based tool for calculating and exploring CMS Hospital Star Ratings, replicating the official SAS methodology (July 2025). Data here: https://qualitynet.cms.gov/inpatient/public-reporting/overall-ratings/sas

This project converts the official CMS SAS code for Hospital Star Ratings into a modern Python implementation wrapped in a Flask web application. It allows users to:

The calculation logic is a direct port of the Yale CORE SAS Package (July 2025), ensuring accuracy with official CMS methods.

The application implements the following steps from the CMS methodology:

See the LICENSE file for details.

From the project’s README on GitHub.

At a glance

RepositoryKentucky-Open-Science/CMS-Star-Rankings
Research areaOther projects
Primary languageHTML
LanguagesHTML 26.5%, JavaScript 24.1%, Python 22.4%, SAS 15.3%, CSS 11.7%
LicenseApache-2.0
Stars / forks0 / 0
Open issues and pull requests0
Created2026-01-07
Last push2026-01-16
Default branchmain

What the README covers

Top contributors

Get the code

git clone https://github.com/Kentucky-Open-Science/CMS-Star-Rankings.git