(1) The services of the Medicaid home and community program for children with autism may be provided by one or more of the following, as determined by the department:
(a) a Medicaid provider agency through contract with the department;
(b) a subcontractor for a Medicaid provider agency that is recognized by the department as an "Organized Health Care Delivery System" (OHCDS);
(c) an individual Medicaid provider through contract with the department; and
(d) an individual Medicaid provider without a contract with the department.