New York City's Medicare, Medicaid, and Child Health Plus managed care plans experienced a net increase in enrollment in 2002 of 365,000 covered lives, or 33%, rising from 1.11 million to 1.48 million. That composite consisted of the following changes: Medicare+Choice plan enrollment increased by 1,500, or 0.5%; Medicaid plan enrollment increased by 431,000, or 87%; and Child Health Plus plan enrollment decreased by 67,500, or -21%. Taking into account both increases and decreases in all three managed care plans, HIP of Greater New York had the largest increase, with 71,000 lives, or 41%, while Aetna U.S. Healthcare had the largest decrease, of 10,000, or -33%. The figure below illustrates the 12-month change in New York City enrollment for all plans serving the area.

Change in New York City Medicare, Medicaid, and CHP Managed Care Enrollment, January-December 2002

Note: For "Other," enrollment did not increase in Medicare and Medicaid, and increased by 2 in CHP.