Contact UsPlease use the Patient Portal or call our office at: Phone: (847)382-4410 Fax: (847)382-4451 GI Partners of Illinois Billing Office: (815)401-1184 Gastro and Internal Medicine Billing Office: (847)639-2999 ————————————————————————- For your convenience, our options are listed below.————————————————————————- Option 2- Urgent Medical Issues Option 3- Scheduling Option 6- Precertification and Referrals for Procedure/Imaging Option 7- Leave a Message for your … Continue reading Contact Us