1. Margaret Davis, formerly a policy analyst in the Office of Strategic Planning at the Health Care Financing Administration (HCFA), is the assistant director of the Institute for Medicare Practice at the Mount Sinai School of Medicine in New York City. John Poisal is a statistician in the HCFA Office of Strategic Planning. George Chulis is a senior analyst on that office's Medicare Current Beneficiary Survey staff. Carlos Zarabozo is a senior analyst in the Office of Strategic Planning, and Barbara Cooper...