YARDLEY, Pa.--(BUSINESS WIRE)--Jan. 31, 2005--Verispan today announced the release of the 2005 Verispan IHN 100, the eighth edition of its annual assessment of the 100 most highly integrated healthcare networks (IHNs). Verispan's report, regarded as the nation's premier rating system, evaluates IHNs on their performance and degree of integration.