Equian’s platform handles more than $500 billion in health-care claims a year and serves nine of the 10 largest health-care payers, according to New Mountain. The company is based in Indianapolis. Among other services, it analyzes claims both before and after they are paid, seeking to find inappropriate or unnecessary bills and blocking or recovering overpayments.

https://www.wsj.com/articles/unitedhealth-agrees-to-buy-payments-firm-equian-for-3-2-billion-11561071058