Ill. Admin. Code tit. 89, § 150.100
a) General Requirements. A provider must:
b) Eligible Professionals (EP).
E) An optometrist.
c) Eligibility Requirements for EP. For each year for which the practitioner seeks an incentive payment, the practitioner must:
1) Have a minimum 30 percent patient volume attributable to individuals receiving Medicaid, except in the instance of a practitioner: