Mercy Hospital St. Louis Quick Facts

Mercy doctor's coat Mercy Hospital St. Louis has been a healing presence in the St. Louis region for more than 150 years.

Featured Services

Additional Services

  • Trauma Center (Level 1, highest)
  • Burn Center
  • Stroke Center (Level 1, highest)
  • Surgery Center (inpatient and outpatient)
  • Mercy Children's Hospital
  • Behavioral Health
  • Home Health and Hospice
  • Medical Doctors Building
  • Ronald McDonald House and Family Room
  • Neonatal Intensive Care Unit (Level 3)

Just the Facts

  • The Joint Commission
  • American Society of Gastrointestinal Endoscopy
  • Accredited Bariatric Center of Excellence by American Society for Metabolic and Bariatric Surgery
  • Intersocietal Accreditation Commission for adult/pediatric echocardiography and vascular testing
  • American College of Surgeons Commission on Cancer with commendations
  • American College of Radiology for breast ultrasound
  • National Accreditation Program for Breast Centers
  • Society of Chest Pain Centers for heart failure
  • American Academy of Sleep Medicine
  • Undersea and Hyperbaric Medical Society
  • American Institute of Ultrasound Medicine for Fetal Echocardiography
  • American Association of Cardiovascular and Pulmonary Rehabilitation
  • 3-Star TAVR


  • CMS 5-Star Hospital
  • Leapfrog Top Hospital
  • Awarded A Grade for patient safety from Leapfrog - 21 times - Straight A since 2012
  • Recognized by the American College of Cardiology in the 2021 U.S. News & World Report “Best Hospitals” issue for commitment to hospital care for heart patients.
  • Beacon Award Silver recognizing excellence in the Burn Center
  • Silver Performance Achievement Award by American College of Cardiology for Chest Pain MI registry (STEMI and NSTEMI care).
  • Named AAGL Center of Excellence in Minimally Invasive Gynecology (COEMIG)
  • Named Center of Excellence for OB Anesthesia by Society for Obstetric Anesthesia and Perinatology
  • Validated as a Stage 7 hospital by HIMSS Analytics, a global health care technology market intelligence, research and standards organization, based on the Electronic Medical Record Adoption Model (EMRAMSM)
  • Verified Adult and Pediatric Burn Center, by American Burn Association and American College of Surgeons 
  • Designated Level 1 STEMI Center by Missouri Dept. of Health and Senior Services Time Critical Diagnosis Unit
  • Designated a Level 1 Stroke Center by Missouri Dept. of Health and Senior Services Time Critical Diagnosis
  • Earned the American Heart Association Get With the Guidelines® Gold Plus, Target: Honor Roll Elite Plus, Advanced Therapy and Type 2 Diabetes Honor Roll achievement award
  • 1856: Sisters of Mercy arrive in St. Louis
  • 1871: Sisters turn original school building into 25-bed hospital for women and children known as St. John’s Hospital
  • 1874: St. John’s Hospital becomes a general hospital and serves all
  • 1963: The new hospital, current site of Mercy Hospital St. Louis in west St. Louis County, opens
  • 2003: David C. Pratt Cancer Center opens, providing comprehensive outpatient cancer care
  • 2006: Heart and Vascular Hospital opens, bringing all cardiovascular and emergency services together into one comprehensive facility
  • 2010: Mercy Children’s Hospital opens new pediatric and neonatal intensive care unit rooms
  • 2011: St. John's Mercy Medical Center becomes Mercy Hospital St. Louis
  • 2014: Low-risk Birthing Center run by certified nurse midwives opens

By The Numbers (FY2023)


Outpatient Visits

$22.3 million

Traditional Charity Care

$23.3 million

Other Community Benefit

$102.2 million

Unreimbursed Medicaid

859 Beds

Inpatient Care

206 Locations

Clinic and Outpatient

39,678 Discharges

Acute Inpatient

5,987 Co-workers

Hospital Based

662 Physicians

Mercy Clinic

34,717 Surgeries

Inpatient and Outpatient

90,753 Visits

Emergency Room

8,423 Births

Maternity Services

About Mercy

Media Contact

Bethany Pope

St. Louis, St. Charles, Troy, Washington
Phone: 314-251-4472