For scheduling or information, 877-CENTEGRA

Expressing a Concern

We encourage you to let us know how we can serve you better. Most of your concerns can be handled by talking with your physician or caregivers. If you would like additional assistance, we welcome calls to the Centegra Assistance Line at 815-759-4142.   If you would prefer to express a concern in writing, please direct it to the Director of Compliance, Centegra Health System, 385 Millennium Drive, Crystal Lake, IL 60012.

While most of your concerns can be resolved directly with Centegra, you also have the right to notify others for assistance.

You may contact The Joint Commission to report a patient safety event or concern online at

By fax to 630-792-5636 or by mail to: The Joint Commission, One Renaissance Boulevard, Oakbrook Terrace, IL 60181.

You may also contact the Illinois Department of Public Health by either calling 1-800-252-4343 or writing to:  Illinois Department of Public Health, 525 W. Jefferson Street, Springfield, IL 62761-0001.

Additionally, Medicare recipients may contact the Center for Medicare and Medicaid Services Beneficiary and Family Centered Quality Improvement Organization, KEPRO, toll-free at 1-855-408-8557 or write to: KEPRO, 5201 West Kennedy Boulevard, Suite 900, Tampa, Florida 33609.