Phone: 224-783-8713 | Fax: 224-783-8992. Address: 1425 N. Randall Road, Elgin, IL 60123. It may take up to five business days to process your request. If you were born at an Advocate hospital and need to obtain a copy of your birth certificate, please contact the Illinois Department of Public Health at 217-782-6553 or on their website..