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Centers for Medicare & Medicaid Services

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  1. price-transparency-guide price-transparency-guide Public

    The technical implementation guide for the tri-departmental price transparency rule.

    Ruby 448 133

  2. design-system design-system Public

    Open source design and front-end development resources for creating Section 508 compliant, responsive, and consistent websites.

    TypeScript 353 105

  3. hospital-price-transparency hospital-price-transparency Public

    122 15

  4. qpp-measures-data qpp-measures-data Public

    QPP Measures Data

    TypeScript 96 47

  5. beneficiary-fhir-data beneficiary-fhir-data Public

    An API designed to serve Medicare beneficiaries' demographic, enrollment, and claims data using the HL7® FHIR® Standard format.

    Java 77 38

  6. HealthCare.gov-Styleguide HealthCare.gov-Styleguide Public archive

    CMS Developer Site

    CSS 59 21

Repositories

Showing 10 of 220 repositories
  • bcda-ssas-app Public

    SSAS component of BCDA application

    CMSgov/bcda-ssas-app’s past year of commit activity
    Go 7 CC0-1.0 1 0 1 Updated Apr 27, 2026
  • beneficiary-fhir-data Public

    An API designed to serve Medicare beneficiaries' demographic, enrollment, and claims data using the HL7® FHIR® Standard format.

    CMSgov/beneficiary-fhir-data’s past year of commit activity
    Java 77 CC0-1.0 38 1 16 Updated Apr 27, 2026
  • bcda-app Public

    Beneficiary Claims Data API

    CMSgov/bcda-app’s past year of commit activity
    PLpgSQL 56 CC0-1.0 18 0 2 Updated Apr 27, 2026
  • CMCS-DSG-DSS-Certification-Staging Public

    (This is the STAGING repo.) Welcome to the MES Certification Repository, a collaborative community for CMS, states, and vendors. For more information about the repository, and how to use it, take a look at the ReadMe section.

    CMSgov/CMCS-DSG-DSS-Certification-Staging’s past year of commit activity
    JavaScript 11 7 2 3 Updated Apr 27, 2026
  • bluebutton-web-server Public

    Blue Button API

    CMSgov/bluebutton-web-server’s past year of commit activity
    Python 47 28 0 14 Updated Apr 27, 2026
  • cdap Public

    Platform team code for supporting AB2D, BCDA, and DPC.

    CMSgov/cdap’s past year of commit activity
    HCL 2 0 0 13 Updated Apr 27, 2026
  • qpp-conversion-tool Public

    Conversion tool for QPP, particularly focused on QRDA3 -> QPP, built by Flexion.

    CMSgov/qpp-conversion-tool’s past year of commit activity
    Java 40 CC0-1.0 64 1 0 Updated Apr 27, 2026
  • hpt-tool Public

    Validator tool for CMS Hospital Price Transparency machine-readable files

    CMSgov/hpt-tool’s past year of commit activity
    JavaScript 19 5 0 1 Updated Apr 27, 2026
  • emmy-api Public

    An API that provides a unified, standard interface to the data sources needed to verify community engagement for the purpose of evaluating Medicaid eligibility.

    CMSgov/emmy-api’s past year of commit activity
    Go 3 CC0-1.0 3 0 10 Updated Apr 27, 2026
  • emmy-app Public

    Eligibility Made Easy (Emmy) using Consent-Based Verification (CBV) is a prototype that allows benefit applicants to verify their income directly using payroll providers. It is currently being piloted for testing and validation purposes.

    CMSgov/emmy-app’s past year of commit activity
    Ruby 0 CC0-1.0 1 1 1 Updated Apr 27, 2026

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