National Children's Health Care Act of 1992 - Title I: Findings - Sets forth congressional findings.

Title II: Children's Health Care Program - Establishes: (1) a National Children's Health Care Administration; (2) a health care program; and (3) an advisory commission. Regulates payment rates.

Entitles pregnant women and children under seven to benefits under the program if they are U.S. citizens or nationals, lawful permanent residents, or aliens otherwise residing permanently in the United States under color of law. Includes coverage for preventive, major medical, child extended medical services, and outreach services. Allows freedom of choice of providers of services from among those qualified to receive payment for the services. Prohibits providers from imposing a charge exceeding the payment rate. Excludes items and services as provided in specified provisions of title XVIII (Medicare) of the Social Security Act. Provides for contracts with health maintenance organizations modeled after risk-sharing contracts under Medicare.

Title III: Financing through Increase in Individual and Corporate Income Tax Rates - Amends the Internal Revenue Code to impose an income tax on individuals, estates, and trusts. Increases the corporate income tax rate.