Amends the Illinois Insurance Code. Provides that every insurer that amends, delivers, issues, or renews a group or individual policy of accident and health insurance or a qualified health plan offered through the health insurance marketplace in the State and Medicaid managed care organizations providing coverage for hospital or medical treatment on or after January 1, 2024 shall provide coverage for medically necessary treatment of vision, hearing, and dental disorders or conditions. Sets forth provisions concerning availability of plan information, notification, external review, limitations on benefits for medically necessary services, and medical necessity determinations. Provides that if the Director of Insurance determines that an insurer has violated the provisions, the Director may assess a civil penalty between $1,000 and $5,000 for each violation. Sets forth provisions concerning vision, hearing, and dental disorder or condition parity. Makes other changes. Makes conforming changes in the State Employees Group Insurance Act of 1971 and the Medical Assistance Article of the Illinois Public Aid Code. Amends the Criminal Code of 2012. Establishes the offense of criminal violation of health benefit parity.