Please use the Patient Portal or call our office at 847.382.4410. Billing Office: 847-639-2999 Fax: 847-382-4451 For your convenience, our options are listed below.----- Option 2- Urgent Medical Issues. Option 3- Scheduling Procedures. Option 5- Scheduling Office Appointment. Option 6- Precertification and Referrals for Procedure/Imaging.