370
Opinion of the Court
plans by adopting HMO-like cost-control measures. See Weiner & de Lissovoy, Razing a Tower of Babel: A Taxonomy for Managed Care and Health Insurance Plans, 18 J. of Health Politics, Policy and Law 75, 83 (Spring 1993). The dominant feature is the combination of insurer and provider, see Gold & Hurley, supra, at 47, and "an observer may be hard pressed to uncover the differences among products that bill themselves as HMOs, [preferred provider organizations], or managed care overlays to health insurance," Managed Care Law Manual, supra, at 1. Thus, virtually all commentators on the American health care system describe HMOs as a combination of insurer and provider, and observe that in recent years, traditional "indemnity" insurance has fallen out of favor. See, e. g., Weiner & de Lissovoy, supra, at 77 ("A common characteristic of the new managed care plans was the degree to which the roles of insurer and provider became integrated"); Gold, Understanding the Roots: Health Maintenance Organizations in Historical Context, in Contemporary Managed Care, supra, at 7, 8, 13; Managed Care Law Manual, supra, at 1; R. Rosenblatt, S. Law, & S. Rosenbaum, Law and the American Health Care System 552 (1997); Shouldice, Introduction to Managed Care, at 13, 20. Rush cannot checkmate common sense by trying to submerge HMOs' insurance features beneath an exclusive characterization of HMOs as providers of health care.
2
On a second tack, Rush and its amici dispute that § 4-10 is aimed specifically at the insurance industry. They say the law sweeps too broadly with definitions capturing organizations that provide no insurance, and by regulating noninsurance activities of HMOs that do. Rush points out that Illinois law defines HMOs to include organizations that cause the risk of health care delivery to be borne by the organization itself, or by "its providers." 215 Ill. Comp. Stat., ch. 125, § 1-2(9) (2000). In Rush's view, the reference to "its
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