NETWORK ADEQUACY AND TRANSPARENCY ACT: Provides that administrators and insurers, prior to going to market, must file with the Department of Insurance for review and approval a description of the services to be offered through a network plan, with certain criteria included in the description. Provides that the network plan shall demonstrate to the Department, prior to approval, a minimum ratio of full-time equivalent providers to plan beneficiaries and maximum travel and distance standards for plan beneficiaries, which shall be established annually by the Department based upon specified sources. Provides that the Department shall conduct quarterly audits of network plans to verify compliance with network adequacy standards. Establishes certain notice requirements. Provides that a network plan shall provide for continuity of care for its beneficiaries under certain circumstances and according to certain requirements. Provides that a network plan shall post electronically a current and accurate provider directory and make available in print, upon request, a provider directory subject to certain specifications. Provides that the Department is granted specific authority to issue a cease and desist order against, fine, or otherwise penalize any insurer or administrator for violations of any provision of the Act. Makes other changes. Effective January 1, 2018.