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Healthcare costs and low-value care tend to increase when hospitals acquire physicians, new studies published in Health Affairs show.
The number of diagnostic and lab tests performed in hospitals versus unaffiliated facilities increased after doctors were acquired by hospitals, which inflated healthcare costs, according to an analysis of 30 million imaging procedures and 341 million lab tests billed to Medicare. While more tests could benefit patients, physicians employed by hospitals were more likely to order inappropriate magnetic resonance imaging tests, a companion analysis of the commercial claims associated with 583 primary-care doctors who transitioned from independent practice to hospital employment found.