Medicare Service Area

The Community Care Alliance of Illinois, NFP proudly provides Medicare services to various counties within the State of Illinois. 

Refer to the list below to find out what services are available for which counties.

Medicare Service Area

Community Care Alliance of Illinois, NFP (CCAI, NFP) coverage area by counties

Boone County
DuPage County
McHenry County
Will County
Cook County 
Kane County 
Ogle County
Winnebago County





Find a Provider

To find a provider that is in close proximity to you, please use the following provider directory. Click here.










Limitations, copayments, and restrictions may apply. Benefits, premiums and/or co-payments/co-insurance may change on January 1 of each year. This information is not a complete description of benefits. Call 1-855-275-2781 (TTY: 711) for more information. Hours are between 8:00 a.m. and 8:00 p.m. Monday through Friday (7 days a week from October 1 through March 31). Answering Service available weekends and after hours. This information is available for free in other languages. Contact the plan for more information. Community Care Alliance of Illinois, NFP (CCAI, NFP) is a HMO plan sponsor contracted with Medicare. Enrollment in a CCAI, NFP plan depends on contract renewal. website

Service Area

Medicare counties CCAI, NFP serves

CCAI, NFP proudly serves the following Illinois counties: Boone, Cook, DuPage, Kane, McHenry, Ogle, Will and Winnebago. 


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Claims Information

Claims Department

Please submit all claims to:

Community Care Alliance of Illinois
CCAI, NFP PO Box 981731
El Paso, TX  79998-1731
(Healthcare Payer ID 85468)

Member Services Information

Member Services

For member services inquiries, please call:



Community Care Alliance of Illinois, NFP
322 S. Green Street, Suite 400
Chicago IL 60607

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