Northeast

Cambridge Health Alliance (Cambridge, Massachusetts)
Einstein Medical Center (Philadelphia)
Erie County Medical Center (Buffalo, New York)
NYC Health + Hospitals (New York)
RWJBarnabas-Newark Beth Israel Medical Center (Newark, New Jersey)
Temple University Heath System (Philadelphia)

Midwest

Cook County Health (Chicago)
The Metrohealth System (Cleveland)
Sinai Health System (Chicago)
The University of Chicago Medicine (Chicago)

South

Broward Health (Fort Lauderdale)
Memorial Healthcare System (Hollywood, Florida)
Nashville General Hospital at Meharry (Nashville)
Navicent Health (Macon, Georgia)
Parkland Health & Hospital System (Dallas)
Regional One Health (Memphis, Tennessee)
UF Health Jacksonville (Jacksonville, Florida)
UK HealthCare (Lexington, Kentucky)
University Health System (San Antonio)
University Medical Center New Orleans (New Orleans)
The University of Texas Medical Branch (Galveston, Texas)

West 

Alameda Health System (Oakland, California)
City and County of San Francisco Department of Public Health (San Francisco, California)
Contra Costa Regional Medical Center (Martinez, California)
Harbor-UCLA Medical Center (Torrance, California)
Harborview Medical Center (Seattle)
Los Angeles County Department of Health Services (Los Angeles)
Maricopa Integrated Health System (MIHS) (Phoenix)
San Mateo Medical Center (San Mateo, California)
UC San Diego Health System (San Diego)
Yuma Regional Medical Center (Yuma, Arizona)