Intermountain Health has named Megan Johnson, BSN, president of its Spanish Fork (Utah) Hospital, effective Jan. 15. 

USC Arcadia (Calif.) Hospital is making several changes to its executive team to better align with Keck Medicine of USC, which acquired the hospital in July 2022.  

Melissa Russo was selected as division vice president of HCA Midwest Physicians Services Group, a position she took on as of Dec. 31.

Rochester, Minn.-based Mayo Clinic has appointed Jennifer Shilling as government relations manager for the state of Wisconsin representing the health system. 

Patrick Rafferty was named COO of Overland Park (Kan.) Regional Medical Center, part of Nashville, Tenn.-based HCA Healthcare. 

Twin Cities Community Hospital in Templeton, Calif., has named Eleze Armstrong its next CEO. 

Bozeman (Mont.) Health has named Vasanth Balu as its new CIO, the health system confirmed to Becker's.

Lansing, Mich.-based E.W. Sparrow Hospital has named Kathy Marble, MSN, RN, as its next chief nursing officer, the system announced Jan. 16. 

Providence, R.I.-based Lifespan has tapped a new executive vice president of ambulatory care: Cindy Peterson. 

Manning (Iowa) Regional Healthcare Center has named Shannon Black its next CEO, effective Feb. 19. 

The board that oversees Nassau University Medical Center, a 530-bed tertiary care teaching hospital in East Meadow, N.Y., ousted Anthony Boutin, MD, as the hospital's president and CEO, Newsday reported.

New Hyde Park, N.Y.-based Northwell Health is getting its first chief digital officer. 

Becker's has reported on four hospitals and health systems, including HonorHealth, that have made revenue cycle vice president hires since Dec. 21:

Kenneth Rose, president and CEO of Texas Health Hospital Mansfield, is leaving his post for a new opportunity at another AdventHealth-affiliated hospital, Texas Health Hospital Mansfield shared in a LinkedIn post on Jan. 11.

Robert Pretzlaff, MD, has resigned from his role as vice president and chief medical officer of Henry Mayo Newhall Hospital in Valencia, Calif., according to a Jan. 11 report from The Santa Clarita Valley Signal.

The following hospital and health system executive retirements have been shared with or reported by Becker's since the beginning of the year:

Thomas Kidd, CEO of Macon Community Hospital in Lafayette, Tenn., was honored with a retirement celebration Jan. 5, according to the Macon County Chronicle.

Anita Chandrasena, MD, started as chief medical officer of Greenbrae, Calif.-based MarinHealth on Jan. 2.

Natalie Mussi, the longtime CEO of HCA's Los Robles Regional Medical Center in Thousand Oaks, Calif., is leaving her post for a new opportunity with the for-profit hospital operator, the Ventura County Star reported Jan. 11.

Gulfport, Miss.-based Memorial Health System has tapped Mary Brobst, MSN, RN, to become its next chief nursing officer, the system announced Jan. 11.