Maryland EMS Region I (Allegany and Garrett Counties)
Western Maryland (UPMC)

Maryland EMS Region II (Washington and Frederick Counties)
Meritus Medical Center
Frederick Health Hospital

Maryland EMS Region III 
(Anne Arundel, Baltimore City, Baltimore, Carroll, Harford, and Howard Counties)
Anne Arundel Medical Center 
Baltimore Washington Medical Center
Carroll Hospital Center
Franklin Square Hospital Center (MedStar)
Howard County General Hospital (JHM)
The Johns Hopkins Bayview Medical Center
The Johns Hopkins Hospital
Sinai Hospital (LifeBridge)
St. Agnes Hospital (Ascension)
St. Joseph Medical Center
Union Memorial Hospital
University of Maryland Medical Center
Upper Chesapeake Medical Center

Maryland EMS Region IV 
(Caroline, Cecil, Dorchester, Kent, Queen Anne’s, Somerset, Talbot, Wicomico, and Worcester Counties)
Peninsula Regional (TidalHealth)
University of Maryland Shore Medical Center Easton

Maryland EMS Region V 
(Calvert, Charles, Montgomery, Prince George’s, and St. Mary’s Counties) 
Capital Region Medical Center (UMCRH)
Holy Cross Hospital
Shady Grove Adventist Hospital
Southern Maryland Hospital Center
Suburban Hospital
White Oak Medical Center (Adventist)

Out-of State recognized Cardiac Interventional Center Hospitals
Washington Hospital Center, Washington, D.C.
Christiana Hospital, Newark, DE
Bayhealth-Kent General Hospital, Dover, DE
Nanticoke Memorial Hospital, Seaford, DE