Illini Family Medicine. Nursing (Nurse Practitioner), Physician Assistant (PA) • 2 Providers. 2900 Frank Scott Pkwy W Ste 980, Belleville IL, 62223. Make an Appointment. Show Phone Number. Illini Family Medicine is a medical group practice located in Belleville, IL that specializes in Nursing (Nurse Practitioner) and Physician Assistant (PA)..