Introduction -- Hcfa's Plan Of Action -- Hcfa As A Successful Consumer Service Agency -- How To Reach Beneficiaries: Lessons From Private Industry -- Role Of Third Parties In The Information Infrastructure -- Best Practices And Models For An Open-season Enrollment Process -- Special Needs Populations: Helping Those Most In Need Of Assistance -- Implementation Issues -- Letter Report To The Administrator Of The Health Care Financing Administration On Developing An Information Infrastructure For The Medicare+choice Pr. Committee On Choice And Managed Care: Furthering The Knowledge Base To Ensure Public Accountability And Information For Informed Purchasing By And On Behalf Of Medicare Beneficiaries, Office Of Health Policy Programs And Fellowships, Institute Of Medicine; Valerie Tate Jopeck And Marion Ein Lewin, Editors. Includes Bibliographical References (pages 51-52). English.