Treatment intensity varies remarkably across physicians, yet the key drivers are not well understood. Meanwhile, the … organization of healthcare is undergoing a secular transformation as physicians increasingly work in groups. This paper tests … whether physicians' group affiliation matters for practice styles and patient health. Using Medicare inpatient claims data, we …

outcomes between physicians and another highly educated group, lawyers, and between surgeons and non-surgeon physicians … Education 2011 duty hour reform, which lowered trainee work hours, impacted the birth outcomes of babies born to physicians … compared with lawyers. We find that physicians have lower birth weights and shorter pregnancies than lawyers with the results …