Research Identifiable File Availability

Title Availability Date Requests Can Be Accepted for Upcoming Releases Important Notes
Master Beneficiary Summary File (MBSF) Base

CY 1999-2019
Q4 2020

CY 2020 available 11/2021
Q1 2021 available 08/2021

Master Beneficiary Summary File (MBSF): Chronic Conditions Segment

CY 1999 - 2019

CY 2020 available 11/2021

Master Beneficiary Summary File (MBSF): Other Chronic or Potentially Disabling Conditions Segment

CY 2000 - 2019

CY 2020 available 11/2021

Master Beneficiary Summary File (MBSF): Cost and Utilization Segment

CY 1999 - 2019

CY 2020 available 11/2021

Master Beneficiary Summary File (MBSF): National Death Index (NDI) Segment

CY 1999 - 2016