The MEDPAR LDS is identical to the Expanded Modified MEDPAR.

The Medicare Provider Analysis and Review (MEDPAR) file contains records for 100% of Medicare beneficiaries who use hospital inpatient services. The records are stripped of most data elements that will permit identification of beneficiaries. The six positions Medicare billing number identifies the hospital. The file is available to persons qualifying under the terms of the Routine Use Act as outlined in the December 24, 1984, "Federal Register" and amended by the July 2, 1985, Notice. The national file consists of approximately 13 million records.

NOTE:  CMS will release the Expanded Modified MEDPAR based on the IPPS proposed rule on the date of the rule publication.   The fiscal year of the proposed rule Expanded Modified MEDPAR will use the December update of the MEDPAR from the second preceding fiscal year (i.e., the FY 2010 proposed rule uses the December update to the FY 2008 MedPAR)

1. The Notice of Proposed Rule Making (NPRM) is published in the "Federal Register", usually available in April. This file is derived from the MEDPAR file with a cutoff of three months after the end of the fiscal year (December file).
2. The Final Rule is published in the Federal Register usually by the first week of August. This file is derived from the MEDPAR file with a cutoff of five months after the end of the fiscal year (March file).

Media: DVD  *If you would like your data output on an external hard drive, add $100

File Cost: $3,655.00 per year  *Reuse fee of $600.00 effective April 1, 2009

Data Format:  Fixed column format with SAS® read-in program

Available:  FY 1997 through FY 2008

Note: Regarding the 1999 File – The file contains corrupted data in data element "Admission of Date of Death Interval" positions 528-532. Corruption occurred during the Y2K conversion of legacy data files. At present, there are no plans to correct the data.

To browse the record layout and copylibs, see the Downloads section below.

Instructions on How to Request LDS Data Files in the Related Links Inside CMS section below.  

Downloads
Record Layout [PDF, 281 KB] Copylibs: COBOL [PDF, 17KB]    SAS [PDF, 29KB]
Related Links Inside CMS
Instructions on How to Request LDS Data Files
Related Links Outside CMS
There are no Related Links Outside CMS

Page Last Modified: 04/01/2009 10:11:51 AM
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