CVS Caremark Corp. will roll out an outreach campaign this fall to help uninsured Americans find out about their insurance options under the Affordable Care Act.

Federal and state governments are planning to launch online insurance exchanges or marketplaces starting Oct. 1 that will allow people to shop for private health insurance or Medicaid if they qualify. Coverage would start Jan. 1.

“We’re planning pretty close to Oct. 1 to use stores as a place where people can get information,” Helena Foulkes, CVS Caremark executive vice president and chief health care strategy and marketing officer, said in an interview. She said the company learned during the 2006 expansion of Medicare, which added a drug benefit, that consumers didn’t start asking for information or help until they could actually enroll in a drug plan rather than worrying about it ahead of time…