WASHINGTON — An outside group supporting President Barack Obama’s agenda plans to air a series of ads this summer promoting Pres. Obama’s health care overhaul.

Organizing for Action intends to spend at least $1 million this summer on ads to draw attention to the implementation of the health care law, including its quality of care and coverage of uninsured Americans.

The move comes as the White House works to implement the law. People without access to health coverage through their jobs can start shopping for subsidized private insurance in new state markets beginning Oct. 1. Those benefits will kick in Jan. 1.

The organization’s first ad touts benefits for consumers, including preventive care, average rebate checks of $150 last year and tax credits for small businesses to pay for part of their workers’ coverage.