Contact Us

For questions regarding your physician's bill, or if you need assistance, please call Customer Service at 1-800-210-7034, Monday through Thursday, from 9am - 8pm (EST) or Friday from 9am - 4pm (EST).

To contact us by e-mail, send your inquiry to and you will receive a response within 2 business days.

Patient payments may be mailed to the following address:

Patient Receipts CLR Acct
75 Remittance Drive, Suite 1151
Chicago, IL 60675-115

Please include the patient's name, group and account number on your payment.

If you are experiencing any issues with this website, please contact us at 1-800-563-7710 or by email at