WASHINGTON: The Centers for Medicare & Medicaid Services has selected two firms to help Porter Novelli promote preventive services in the Affordable Care Act.

The Health and Human Services Department division has tasked the agencies, Sensis and Campbell & Company, with reaching Hispanic and black consumers, respectively, about the bill. The federal department picked Porter earlier this month to launch a national multimedia education campaign about the law.

Conservatives have criticized both HHS and Porter for the contract since it ...