For the years 2006–2013, PRSCRBR\_ID (Prescriber Identifier) is missing in the Part D Event Files. During these years, CCW\_PRSCRBR\_ID (CCW Prescriber Identifier) is available instead. This identifie
The Integrated Public Use Microdata Series (IPUMS) Complete Count Data include more than 650 million individual-level and 7.5 million household-level records. The microdata are the result of collabora
