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HMOs and Managed Care
HMO is a prepaid health plan delivering comprehensive care to members
through designated providers. Almost 30 percent of all persons in the
United States are enrolled in HMOs .
in HMOs totaled 80 million persons or 28 percent of the U.S. population in
2001. HMO enrollment varied from 21 -22 percent in the Midwest and South
to 35 percent in the Northeast and 41 percent in the West. HMO enrollment
increased steadily through 1999 but declined by nearly 2 million between
1999 and 2001.The number of HMO plans decreased by 16 percent, to 541
plans during these 2 years.
2001 the percent of the population enrolled in HMOs varied among the
States, from 0 in Alaska to 44 percent in Massachusetts and 53 percent in
California. Other States with 38 percent or more of the population
enrolled in HMOs in 2001 included New Hampshire, Connecticut, and
2000, 38 percent of children had health insurance coverage through a
private, Medicaid, or Medicare HMO compared with about one-third of adults
18 -64 years of age and one-quarter of the elderly. Nine percent of
children (12 percent of those under 6 years of age) were in a Medicaid HMO
compared with less than 3 percent of nonelderly adults. Fifteen percent of
the elderly were in a Medicare HMO and 13 percent in a private HMO.
The proportion of the elderly population enrolled in Medicare HMOs in 2000 ranged from 8 percent in the Midwest to 31 percent in the West.
Excerpt from National Center for Health Statisitcs, Health, United States, 2002