Amends the Pharmacy Benefit Managers Article of the Illinois Insurance Code. Provides that a pharmacy benefit manager shall not: steer a beneficiary; order a covered individual to fill a prescription or receive pharmacy care services from an affiliated pharmacy; reimburse a pharmacy or pharmacist for a pharmaceutical product or pharmacist service in an amount less than the amount that the pharmacy benefit manager reimburses itself or an affiliate for providing the same product or services; offer or implement plan designs that require patients to use an affiliated pharmacy; or advertise, market, or promote a pharmacy by an affiliate to patients or prospective patients. Defines terms.