
The ResDAC website provides a centralized source of information on CMS datasets. To obtain access to the files, please see the Research Data Assistance Center (ResDAC) website for information on completing a data use agreement and requesting TAF RIF data. The Centers for Medicare & Medicaid Services (CMS) created several resources to support researchers in their use of the TAF RIF, including TAF technical guidance and data quality products. TAF RIF include annual files that contain demographic and eligibility information for all Medicaid and CHIP beneficiaries, claims files that contain service use and payment records, and annual files containing information on Medicaid and CHIP managed care plans and providers. These files include data on Medicaid and Children’s Health Insurance Program (CHIP) enrollment, demographics, service utilization and payments. The Transformed Medicaid Statistical Information System (T-MSIS) Analytic Files (TAF) Research Identifiable Files (RIF) are a research-optimized version of T-MSIS data and serve as a data source tailored to meet the broad research needs of the Medicaid and CHIP data user community.

SUPPORT Act Provider Capacity Demonstration.SUPPORT Act Innovative State Initiatives and Strategies.Medicaid Eligibility & Enrollment Toolkit.Medicaid Enterprise Certification Toolkit.Medicaid Information Technology Architecture.Transformed Medicaid Statistical Information System (T-MSIS).Section 223 Demonstration Program to Improve Community Mental Health Services.Actuarial Report on the Financial Outlook for Medicaid.CMS-64 FFCRA Increased FMAP Expenditure Data.State Budget & Expenditure Reporting for Medicaid and CHIP.Medicaid Eligibility Quality Control Program.Medicaid Third Party Liability & Coordination of Benefits.Seniors & Medicare and Medicaid Enrollees.Coronavirus Disease 2019 (COVID-19): Section 1115 Demonstrations.1115 Substance Use Disorder Demonstrations.1115 Demonstration Monitoring & Evaluation.Medicaid & CHIP Marketplace Interactions.Performance Indicator Technical Assistance.Medicaid Enrollment Data Collected Through MBES.April 2021 Medicaid & CHIP Enrollment Data Highlights.Home & Community Based Services Authorities.Lawfully Residing Immigrant Children & Pregnant Women.Affordable Care Act Program Integrity Provisions.

Medicaid and CHIP Eligibility & Enrollment Webinars.Home & Community-Based Services in Public Health Emergencies.Using Section 1115 Demonstrations for Disaster Response.Eligibility & Administration SPA Implementation Guides.Health Home Information Resource Center.Promoting Community Integration Through Long-Term Services and Supports.

