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The
physician referral data linked below was provided as a response to a Freedom of
Information Act (FOIA) request. These files represent the number of encounters
a single beneficiary has had across physicians at intervals of 30, 60, 90 and
180 days. For more details about the file contents for years 2009 - 2015,
please see the Technical Requirements document: http://downloads.cms.gov/foia/Physician_Shared_Patient_Patterns_Technical_Requirements.pdf.
Note: The files range in size from 1-7 gigabytes. Special statistical
software is needed for analysis. These files will not fully open in a text
editor or Microsoft Excel.
(FAQ7977)
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