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Section: ArticlesTitle: Big, better, best? / by Meg GreenAuthor: Green, MegNotes: Even as some insurers gain national size through mergers and acquisitions, competition is still a local battle. The number of health maintenance organizations in the country dropped 30% from 1999 to 2003, falling from 643 to 454, according to Interstudy Publications, whihc tracks the entities holding HMO licenses in their state of primary operation. Tables: The 11 largest insurance company managed care deals since 1997; largest public managed care companies by revenue 2002-2003Related records: En: Best's review. - Oldwick, New Jersey. - March 2004 ; p. 78-83Materia / lugar / evento: Seguro de asistencia sanitariaEstados UnidosMercado de segurosFusión de empresasRankingSecondary titles: Título: Best's review Other categories: 344.1Rights: In Copyright (InC) See issue detail