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In this article we examine management service organizations (MSOs), physician-hospital organizations (PHOs), hospital-affiliated independent practice associations (IPAs), and hospital-sponsored "group practices without walls" (GPWWs) that allow physicians to retain their practices and link hospitals and health systems to physicians through contractual(More)
OBJECTIVE To assess the impact of HMO market structure on the formation of physician-hospital strategic alliances from 1993 through 1995. The two trends, managed care and physician-hospital integration have been prominent in reshaping insurance and provider markets over the past decade. STUDY DESIGN Pooled cross-sectional data from the InterStudy HMO(More)
This DataWatch evaluates four-stage models of market evolution developed initially by the University HealthSystem Consortium (UHC). Such models suggest that increasing health maintenance organization (HMO) penetration is linked with increases in hospital consolidation and vertical integration between physicians and hospitals. These claims are tested using(More)
This paper examines global capitation of integrated health provider organizations that link physicians and hospitals, such as physician-hospital organizations and management service organizations. These organizations have proliferated in recent years, but their contracting activity has not been studied. We develop a conceptual model to understand the(More)
BACKGROUND Capitation holds health providers fiscally responsible for the services they deliver or arrange and thus provides strong motivation for physicians and hospitals to integrate activities and reduce costs of care. OBJECTIVES The objective of this study was to assess 2 potential effects of capitation: (1) its effects on the integration of(More)
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