Thirty-seven percent of Americans now have a negative view of the president's job performance.
Obama's personal approval rating has always fared better than his policies. The same poll shows the president's approval rating on the issue of health care has declined from 57 percent to 49 percent.
President Obama will make another pitch for his health care plan at a prime-time news conference Wednesday and at a town hall meeting in Ohio on Thursday.
ABC News contributed to this report.