The Department shall determine the boundaries of the geographic area that a PCP may serve. The Department shall limit enrollment in a PCP to recipients who live in that area. The PCP is responsible for the enrollment of recipients who have chosen to enroll in the PCP. The PCP shall enter into an enrollment contract with a recipient on the form approved by the Department. The PCP shall enroll eligible recipients in the order in which the eligible recipients apply and may not discriminate on the basis of health status in its enrollment, re-enrollment, or disenrollment procedures. Termination of enrollment may be initiated by the enrollee, the enrollee's parent, guardian, or legal representative, by the PCP, or by the Department. The Department shall approve all terminations of enrollment.