CMS Medicare Master Beneficiary Summary File (MBSF)

Description

The Medicare Master Beneficiary Summary File (MBSF) is the Centers for Medicare & Medicaid Serivces's database of record for Medicare Beneficiary enrollment information. It is the authoritative source for Medicare beneficiary information and entitlement.

Data Access

Where to apply

https://www.census.gov/about/adrm/fsrdc.html

Fees

Possible seat fee dependent on consortium membership. URL for more information: https://www.census.gov/about/adrm/fsrdc/about/fsrdc-network-fees.html

Access modality

FSRDC

Usage restrictions

Census Bureau restricted-use data must be used for statistical purposes and cannot be used for purposes of enforcing laws or regulations or for profit.

Public Use File available

Geography differs from restricted-use file (RUF)

Variable detail differs from Restricted Use File (RUF)