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The Boston Globe

Business

Much riding on ruling on Partners expansion

Weymouth addition could alter industry

Federal investigators are nearing a decision on whether to allow the massive Partners HealthCare System to take over South Shore Hospital in Weymouth, a long-awaited verdict that could dramatically affect costs and competition in the Massachusetts health care industry.

The review coincides with a broader inquiry over the past four years into alleged anticompetitive behavior by Partners, the state’s largest hospital and doctors organization. Dozens of lawyers and economists from the US Department of Justice, joined by state Attorney General Martha Coakley’s office, have conducted scores of interviews in Boston and Washington, D.C., with senior executives from Partners, its competitors, and health insurers.

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