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.

Is a Public-Use Version (PUF) Available?

Does Geography Differ from Public Version?

Does Level of Variable Detail Differ from Public Version?