Why the study?
Accurately identifying the number of practicing hospitalists across the United States remains challenging, but characterizing this workforce is important amid healthcare reforms and public reporting.
Population
Adult hospitalists in the United States identified from Medicare Part B claims datasets
Comparison
Hospitalists vs non-hospitalist Internal Medicine and Family Medicine physicians
Design
Retrospective study using national Medicare Part B claims datasets
Authors
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Rapid growth supports evolving inpatient staffing models; extends prior workforce data but leaves outcome and training effects open.
The adult hospitalist workforce in the US grew by over 50% between 2012 and 2019, making it one of the top five largest physician specialties.
Lapps et al. (2022) studied this question.
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