Sacramento, Calif.-based UC Davis Health plans to invest $3.75 billion into a campus expansion that includes ensuring the campus meets the state's new earthquake safety mandates. 

Novant Health plans to invest $222 million to build a critical care tower on its Forsyth Medical Center campus in Winston-Salem, N.C., the health system said Feb. 25.

Northeast Georgia Medical Center, a 557-bed hospital in Gainesville, is planning a new 11-story patient tower that will cost an estimated $700 million, according to the Atlanta Business Chronicle. 

Oscar Health launched its initial public offering Feb. 22. With an offer of 31 million shares at $32 to $34 each, Oscar could raise $1.05 billion at the top of that range.

North Carolina regulators rejected Wilmington, N.C.-based New Hanover Regional Medical Center's proposal to build a $210 million hospital, according to the Wilmington Star-News.

The following health systems have opened hospitals, advanced proposals to build them or announced plans for them in the last week:

A California planning commission voted against Elk Grove-based California Northstate University's plan to build a $750 million teaching hospital in Elk Grove, according to local news station ABC 10.

Exceptional Healthcare, a Texas-based hospital group, will break ground in March on its community hospital in Yuma, Ariz., according to AZ Big Media.

The city of Irvine has sued University of California Irvine over its plans to build a $1 billion hospital campus that would house a 144-bed acute care facility, ambulatory care center and cancer center, according to The Orange County Register.

University of Iowa Hospitals and Clinics' plan to build a $230 million hospital in North Liberty, Iowa, was rejected by a state board Feb. 17, but the hospital said it intends to resubmit its application, according to local news station…