Primary care physicians have a central, coordination role in medicine, yet little is known about their impacts on healthcare utilization. I study the short-run and long-run effects of switching to different primary care physicians on utilization in terms of spending among Medicare patients over...

Unlike most European countries, a majority of the population in Ireland pay out of pocket for a range of primary-care services, including general practitioner (GP) care. In 2017, the Committee on the Future of Healthcare published its final report (the Sláintecare Report; Houses of the...

This paper investigates the consequences that patients face when their regular primary care provider closes down her practice, typically due to retirement. We estimate the causal impact of closures on patients' utilization patterns, medical expenditures, hospitalizations, and health plan choice....