Health care delivery is expected to change, with more care provided by nurse practitioners and fewer people having a doctor for life. Images.com/Corbis hide caption

itoggle caption Images.com/Corbis

U.S. House Majority Leader Rep. Eric Cantor (center) and colleagues gather before a Sunday vote on Capitol Hill. The House passed two new provisions to a federal spending bill to delay Obamacare for a year and to repeal the medical device tax. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images

The audience concentrates on a presentation by Kansas Insurance Commissioner Sandy Praeger's office about the federal health care overhaul at the University of Kansas satellite campus in Overland Park, Kan., earlier this month. John Hanna/AP hide caption

itoggle caption John Hanna/AP

Chicago insurance broker Sean Whaley told The Associated Press earlier this month that his self-employed clients were frustrated that didn't have the information to plan ahead for their families' health care costs in 2014. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

Enroll America outreach worker Rosy Mota (right) talks about the federal health care law with a CVS customer. Carrie Feibel hide caption

itoggle caption Carrie Feibel

Susan Mull is a substitute teacher in Lancaster County, Pa. She's lived with HIV for 21 years, the past 13 without health insurance. She says an expansion of Medicaid in Pennsylvania would be "life-changing." Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR

Peter Lee, executive director of Covered California, the state agency running the state's new health exchange, announced the plans and prices that will be offered by private insurers on May 23. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Texas Sen. Ted Cruz leaves the weekly Senate Republican Policy Committee luncheon Tuesday, shortly before beginning a filibuster against Obamacare. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images

Speaker of the House John Boehner (R-Ohio) talks to reporters Thursday about the deadline to fund the government while simultaneously eliminating President Obama's health care law. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Workers prepare orders to be loaded for shipment at a UPS Healthcare Supply Chain and Distribution Center in Atlanta on March 12. The company recently announced that it would no longer offer coverage for spouses who had their own job-based insurance. Robin Nelson/Bloomberg via Getty Images hide caption

itoggle caption Robin Nelson/Bloomberg via Getty Images

Florida Gov. Rick Scott has questioned efforts to use federally funded navigators to help people enroll for insurance through the Affordable Care Act. John Raoux/AP hide caption

itoggle caption John Raoux/AP