"We want to make sure members of Congress understand the last couple of weeks is not where the majority of the public is," said Schechner, referring to rowdy town hall meetings dominated by critics of the Democrats' plans.
As conservative groups have organized against Democrats' health care legislation and cast it as a government takeover of health care, polls have shown fading public support for sweeping changes, and skepticism over Obama's handling of the issue.
Health Care for America Now is coordinating its efforts with Organizing for America, the Obama campaign organization now melded into the national Democratic Party, which reputedly has an e-mail list of up to 13 million names.
Organizing for America plans a bus tour with kickoffs beginning Wednesday in cities including Phoenix, Albuquerque and Denver. Some 500 events are planned around the country through Labor Day, Schechner said.
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