PHOENIX - Health and Human Services Secretary Sylvia Burwell will be in Arizona on Saturday as she works to encourage residents to sign up for individual health insurance or renew and re-enroll for coverage they bought last year.

Burwell will visit enrollment centers at South Mountain Community College in Phoenix and Los Ranchitos Elementary School in Tucson. She'll meet with local elected officials and residents at the enrollment events.

Time is short for those who want a plan in place by Jan. 1. The deadline to sign up for a plan that begins by New Year's Day is Monday. Open enrollment closed for everyone Feb. 15.

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Key facts, changes and issues during the second open enrollment period for the Affordable Care Act:

ALREADY INSURED?

If you signed up for health insurance for 2014 during the first open enrollment period, that doesn't mean you should ignore this enrollment period.

A large number of the 120,000 Arizonans who bought insurance this year get subsidies based on their income, so it is important that they update their information at http://www.healthcare.gov , to update their subsidy amount.

Also, because so many plans are changing next year and premiums have changed, now's the time to shop around.

DEADLINES, PENALTIES

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Arizona health care signup deadlines loom