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Medicare Provider Analysis and Review (MedPAR) Files

Medicare

Description

Our Medicare Provider Analysis and Review (MedPAR) files organize health service information from two Part A settings–Inpatient (IP) and Skilled Nursing Facility (SNF)–into stays, where 'stay' refers to the time between a beneficiary's admission to an IP or SNF facility and the beneficiary's discharge from the facility.

This stay-level information includes:

  • beneficiary demographics;
  • diagnosis codes;
  • eligibility status;
  • procedure codes;
  • processing codes;
  • provider characteristics;
  • service costs; and
  • service dates.

Variables Summary

The table below lists variable categories for and some key variables in MedPAR data. For a comprehensive list of variables, review the MedPAR data dictionary.

Costs

Beneficiary Primary Payer Amount, Care Charge Amount, Coinsurance Liability Amount, Deductible Liability Amount, Medicare Payment Amount, Therapy Charge Amount, Total Charge Amount

Dates

Admission Date, Beneficiary Medicare Benefit Exhausted Date, Covered Level Care Thru Date, Death Date, Discharge Date, Latest Claim Accretion Date, Skilled Nursing Facility (SNF) Qualification To and From Dates, Surgical Procedure Date

Demographics

Age, Beneficiary Identification Number, Gender, Race

Diagnoses

Admission Diagnosis Codes, Admission Diagnosis Version Codes, Diagnosis Codes (including International Classification of Diseases (ICD)-9 and ICD-10), Diagnosis Version Codes

Eligibility & Enrollment

Medicare Status Code

Procedures, Services & Treatments

Claim Procedure Codes, Surgical Procedure Code 01-25, Surgical Procedure Indicator Switch, Surgical Procedure Version Code 01-25

Processing

Admission Diagnosis Code Counts, Beneficiary Total Coinsurance Day Count, Diagnosis Code Counts, Stay Final Action Claims Count, Surgical Procedure Code Count, Surgical Procedure Date Count

Provider

Provider Number, Provider Number Special Unit Code

Years Available

1991 - 2018

Data Dictionary Link

Visit the Data Documentation Page

NIA Surveys Offering MedPAR

HRS, NSHAP, PT, RADC, WLS

NIA Surveys Not Offering MedPAR

BLSA, CE, HABC, LLFS, NHAS, NHATS, NLTCS, PSAD, PSID, UAS, UFOVT

Additional Resources