Nine hospitals or health systems have announced, advanced or completed construction projects since Feb. 19:

More than 200,000 Americans have signed up for health insurance coverage through the ACA marketplace after the Biden administration opened up healthcare.gov for a special enrollment period.

Denver-based HealthOne, part of Nashville, Tenn.-based HCA Healthcare, opened a new hospital in Centennial, Colo., on March 1. 

Mountain View, Calif.-based El Camino Health plans to invest $149 million to upgrade the women's health and maternity center on its Mountain View campus. 

Oscar Health shares began trading on the New York Stock Exchange March 3 under the ticker symbol "OSCR."

Sanford Health plans to build a hospital and clinic in Williston, N.D., the Sioux Falls, S.D.-based system said March 2. 

The University of Central Florida and HCA Healthcare opened their jointly owned $175 million UCF Lake Nona Medical Center in Orlando March 1.

Highmark and HealthNow New York officially completed their affiliation, the organizations said March 1.

Elk Grove-based California Northstate University has halted plans to build a $750 million teaching hospital in Elk Grove days after the project was unanimously rejected by a planning commission, according to The Sacramento Bee. 

Winston-Salem, N.C.-based Novant Health recently broke ground on its $180 million hospital campus in Charlotte, N.C.