Exhibit 21
ALABAMA
CareOne Home Health Services, Inc.
Four Rivers Medical Center PHO, Inc.
Selma Medical Center Hospital, Inc.
ALASKA
Alaska Regional Medical Group, LLC
Alaska Spine Center, LLC
Anchorage Surgicenter, LLC
Chugach PT, Inc.
Columbia Behavioral Healthcare, Inc.
SLS Mountain Division, LLC
Surgicare of Anchorage, LLC
ARIZONA
DS Real Estate Holdings, LLC
Urgent Care Extra - Ann & Simmons, LLC
Urgent Care Extra - Cactus & Southern Highlands, LLC
Urgent Care Extra - Charleston & Decatur, LLC
Urgent Care Extra - Charleston/Sloan, LLC
Urgent Care Extra - Craig & Clayton, LLC
Urgent Care Extra - Craig & Decatur, LLC
Urgent Care Extra - Durango & Cheyenne, LLC
Urgent Care Extra - Durango & Flamingo, LLC
Urgent Care Extra - Eastern & Horizon Ridge, LLC
Urgent Care Extra - Rainbow/Mardon, LLC
Urgent Care Extra - Warm Springs & Green Valley, LLC
Urgent Care Extra-Tropicana & Jones, LLC
ARKANSAS
Columbia Health System of Arkansas, Inc.
BERMUDA
Parthenon Insurance Company, Limited
The London Breast Institute UK Ltd
CALIFORNIA
Center for Advanced Imaging, LLC
CFC Investments, Inc.
CH Systems
Chino Community Hospital Corporation, Inc.
Columbia ASC Management, L.P.
Columbia Good Samaritan Health System Limited Partnership
Columbia Riverside, Inc.
Columbia/HCA San Clemente, Inc.
Encino Hospital Corporation, Inc.
Far West Division, Inc.
Galen-Soch, Inc.
Good Samaritan Surgery Center, L.P.