A '''Health Maintenance Organization''' (HMO) is a model for delivering health care services to enrolled patients at a supposed reduced overall cost. Initiated during the Nixon Administration, HMOs are most prevalent in [[California]] today. | A '''Health Maintenance Organization''' (HMO) is a model for delivering health care services to enrolled patients at a supposed reduced overall cost. Initiated during the Nixon Administration, HMOs are most prevalent in [[California]] today. |