Evidence of patient and physician turnover in accountable care organizations (ACOs) has raised concerns that ACOs may be earning shared-savings bonuses by selecting for lower-risk patients or providers with lower-risk panels. We conducted three sets of analyses to examine risk selection in the...

Objective: To identify associations between market factors, especially relative reimbursement rates, and the probability of surgery and cost per episode for three medical conditions (cataract, benign prostatic neoplasm, and knee degeneration) with multiple treatment options. Methods: We use 2004...

Objective: To identify associations between market factors, especially relative reimbursement rates, and the probability of surgery and cost per episode for three medical conditions (cataract, benign prostatic neoplasm, and knee degeneration) with multiple treatment options. Methods: We use 2004...

Professional physician networks can potentially influence clinical practices and quality of care. With the current focus on coordinated care, discerning influences of naturally occurring clusters and other forms of dependence among physicians’ relationships based on their attributes and care...

The patient-centered medical home (PCMH) and the accountable care organization (ACO) are models of delivery system reform. Although there is theoretical alignment between PCMHs and ACOs, the discussion of physician payment within each model has remained distinct. This article compares payment...

The patient-centered medical home (PCMH) and the accountable care organization (ACO) are models of delivery system reform. Although there is theoretical alignment between PCMHs and ACOs, the discussion of physician payment within each model has remained distinct. This article compares payment...

The relationship between practice intensity and the quality and outcomes of care has not been studied.

Professional physician networks can potentially influence clinical practices and quality of care. With the current focus on coordinated care, discerning influences of naturally occurring clusters and other forms of dependence among physicians' relationships based on their attributes and care...