title: Nine health plans drop Medicare markets. AAHP President Karen Ignagni said HCFA has 'put this program into crisis'.
authors.forename: R
authors.initials: R
authors.lastname: Shinkman
mesh_terms: D000368:Aged; D014487:Centers for Medicare and Medicaid Services, U.S.; D019981:Health Care Sector / Q000639:trends; D006279:Health Maintenance Organizations / Q000191:economics* / Q000639:trends; D006801:Humans; D007356:Insurance, Pharmaceutical Services; D020398:Medicare Part C / Q000191:economics* / Q000639:trends; D020414:Risk Sharing, Financial; D014481:United States