{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["53(2)"],"submitter":["Richards MR"],"pubmed_abstract":["<h4>Objective</h4>To calculate physician concentration levels for all U.S. markets using detailed data on integration and accountable care organization (ACO) participation.<h4>Data source</h4>2015 SK&A office-based physician survey linked to all commercial and public payer ACOs.<h4>Study design</h4>We construct three separate Herfindahl-Hirschman Index (HHI) measures and plot their distributions. We then investigate how prevailing levels of concentration change when incorporating more detailed organizational features into the HHI measure.<h4>Principal findings</h4>Horizontal and vertical integration strongly influences measures of physician concentration; however, ACOs have limited impact overall. ACOs are often present in competitive markets, and only in a minority of these markets do ACO"],"journal":["Health services research"],"pagination":["1272-1285"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC5867079"],"repository":["biostudies-literature"],"pubmed_title":["Physician Competition in the Era of Accountable Care Organizations."],"pmcid":["PMC5867079"],"pubmed_authors":["Buntin MB","Resnick MJ","Richards MR","Smith CT","Graves AJ"],"additional_accession":[]},"is_claimable":false,"name":"Physician Competition in the Era of Accountable Care Organizations.","description":"<h4>Objective</h4>To calculate physician concentration levels for all U.S. markets using detailed data on integration and accountable care organization (ACO) participation.<h4>Data source</h4>2015 SK&A office-based physician survey linked to all commercial and public payer ACOs.<h4>Study design</h4>We construct three separate Herfindahl-Hirschman Index (HHI) measures and plot their distributions. We then investigate how prevailing levels of concentration change when incorporating more detailed organizational features into the HHI measure.<h4>Principal findings</h4>Horizontal and vertical integration strongly influences measures of physician concentration; however, ACOs have limited impact overall. ACOs are often present in competitive markets, and only in a minority of these markets do ACO","dates":{"release":"2018-01-01T00:00:00Z","publication":"2018 Apr","modification":"2025-04-04T14:49:10.166Z","creation":"2019-08-04T08:22:02Z"},"accession":"S-EPMC5867079","cross_references":{"pubmed":["28345256"],"doi":["10.1111/1475-6773.12690"]}}