But some experts believe it could be a while before those problems are fixed.
President Obama walked into the Rose Garden with Janice Baker, who says she's the first woman from Delaware to enroll in the new healthcare marketplace.
"Like many consumers out there, it took me a number of frustrating attempts before I could apply and pick my plan," Baker said.
Problems continue to plague healthcare.gov.
Some 19 million people have visited since October 1st - but only a half-million have successfully applied, and the White House won't say how many people have actually been able to select a health insurance plan.
"Nobody's madder than me about the fact that the website isn't working as well as it should, which means it's going to get fixed," the President said.
The President says IT experts are now working on repairs, but he's not giving a target date for when the site will be fully up to speed.
Software expert Bill Curtis says there are problems throughout the site and it could take weeks or even months to fix.
"This is a system that was rushed out way too quickly and they didn't have a chance to thoroughly test the system before it went into operation," Curtis said.
One change already in the works: users will be able to view plans without first having to fill out applications with huge amounts of personal information.
Later this week, House Republicans will hold hearings on the cost of the health care roll-out, and who is responsible for the failures.