Each year, DTS Group conducts hundreds of performance audits, data quality assessments, and operational reviews for Medicare organizations. The Part C&D CMS Data Validation audit shares many touch points with the audit methods and data sources for other health care performance audits. DTS Group’s audit approach leverages our depth of experience and our knowledge of CMS guidelines and regulations while applying CMS Data Validation audit standards. This retrospective review ensures Medicare organizations correctly reported measures used for compliance and Star Ratings.