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Master Beneficiary Summary File (MBSF) - Cost & Utilization Files

Medicare

Description

Our Master Beneficiary Summary File (MBSF) - Chronic Conditions files summarize the payments for and services rendered to individuals enrolled in Medicare.

Variables Summary

The table below lists variable categories for and some key variables in MBSF - Cost & Utilization data. For a comprehensive list of variables, review the MBSF - Cost & Utilization data dictionary.

Demographics

Beneficiary Identification Number

Drugs

Part B Drug Events, Part B Physician Events, Part D Event Count, Part D Standardized Fill Count

Eligibility & Enrollment

Enrollment Source, Reference Year

Payment

Acute Inpatient Hospital Payments, Ambulatory Surgery Center Payments, Anesthesia Payments, Dialysis Payments, Durable Medical Equipment Payments, Home Health Payments, Hospice Payments, Hospital Outpatient Payments, Imaging Payments, Other Inpatient Hospital Payments, Part B Drug Payments, Part B Physician Payments, Part D Payments, Part D Total Prescription Costs, Skilled Nursing Facility Payments

Stays, Visits, and Events

Acute Inpatient Stays, Ambulatory Surgery Center Events, Anesthesia Events, Dialysis Events, Durable Medical Equipment Events, Home Health Visits, Hospice Stays, Hospital Outpatient Visits, Hospital Outpatient Emergency Room Visits, Imaging Events, Inpatient Emergency Room Visits, Other Inpatient Stays, Skilled Nursing Facility Stays

Years Available

1999 - 2020

File Update Frequency

Information icon.

Annual

Data Dictionary Link

Visit the Data Documentation Page

NIA Data Partners Offering MBSF - Cost & Utilization

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Additional Resources