Comparative Billing Reports

Contact Us

The CBR Support Help Desk is available from 9:00 a.m. to 5:00 p.m. (ET) Monday through Friday.

Toll Free Number: 1-800-771-4430


stock photo - medical professional on phone

For formal written correspondence, postal mail can be sent to the following address:

Attention: CBR Program


7133 Rutherford Rd., Suite 106

Baltimore, MD 21244


Please visit the Feedback page if you would like to provide feedback on your experience with the CBR program or the CBR reports.

Also, you may visit our Email Form Page if you would like to to submit any questions, comments, or suggestions to the CBR team concerning the reports, webinars, or website.

Disclaimer: Please do NOT send any claims data, beneficiary data, or other Protected Health Information (PHI) or Private Personal Information (PPI) to the CBR Support Help Desk for review. All specific claims questions should be directed to the appropriate Medicare Admistrative Contractor (MAC). The link in the right hand navigation bar named "MAC Contact Information" will provide your MAC's jurisdiction and contact information.

Note: The CBR Support Help Desk does not provide service on the following U.S. Government Holidays: New Year’s Day, Martin Luther King Jr. Day, President’s Day, Memorial Day, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving, and Christmas.