Hearing on the first year of the Medicare & Choice options, which are coordinate care plans. Witnesses include: Bruce E. Bradley, Dir., Managed Care Plans, General Motors Corp.; Judith Feder, Prof. of Public Policy, Georgetown Univ.; Bill Gradison, Pres., Health Insurance Assoc. of Amer.; Michael Hash, Deputy Administrator, Health Care Financing Admin.; Karen Ignagni, Pres. & CEO, Amer. Assoc. of Health Plans; Patricia A. Riley, V.P., Government Relations, Allina Health System; Donald P. Sacco, CEO, Blue Cross Blue Shield of Oregon, accompanied by Mary Nell Lehnhard, Sr. V.P. of Blue Cross Blue Shield Assoc.