Each RAC is responsible for identifying overpayment and underpayments in approximately one-quarter of the country.

Region A: Diversified  Collection Services 
www.dcsrac.com
info@dcsrac.com
1‐866‐201‐0580

Region B: CGI
http://racb.cgi.com
racb@cgi.com
1‐877‐316‐7222

Region C: Connolly Consulting
www.connollyhealthcare.com/RAC
RACinfo@connollyhealthcare.com
1‐866‐360‐2507

Region D: HealthDataInsights
http://racinfo.healthdatainsights.com
racinfo@emailhdi.com
Part A: 866‐590‐5598
Part B: 866‐376‐2319  

Source: CMS

Publication Date: Tuesday, September 29, 2009