TPM Livewire

Sebelius: We Don't Need To Extend Obamacare Open Enrollment

AP Photo / J. Scott Applewhite

"We think that the timetable will allow people four months' time to fully use the website," she added. "They can use it right now. They can use the call center. They can go to navigators. They can enroll."

The administration has said that would be fully functional for the vast majority of users by the end of November. The enrollment period currently ends on March 31.

A group of 10 Democratic senators has formally asked Sebelius to extend the enrollment period. But that request has received significant pushback from insurers, who warn that it could lead to premium hikes in 2015.