[Skip to Content]
[Skip to Content Landing]
February 24, 1999

Variations in Medicare Health Maintenance Organizations

Author Affiliations

Author Affiliation: Department of Internal Medicine, Virginia Commonwealth University, Richmond.

JAMA. 1999;281(8):755-756. doi:10.1001/jama.281.8.755

With encouragement from the federal government, there has been steady growth in the number of Medicare beneficiaries enrolled in health maintenance organizations (HMOs) during the past 2 decades.1 The Balanced Budget Act of 1997 has further expanded managed care alternatives through the establishment of the Medicare+Choice program, and HMO enrollment may be one third of the Medicare population by 2005.2 However, thus far, the overall assessment about the quality of care in Medicare HMOs has been inconclusive.3