Acute Care Hospitals · Voluntary non-profit - Private
Ssm Health St Mary's Hospital - St Louis
- 6420 Clayton Rd, Saint Louis, MO 63117
- (314) 768-8000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Ssm Health St Mary's Hospital - St Louis carries a 3-star CMS overall rating — in line with the national norm. On healthcare-associated infection measures, it performs better than the national average on 18 and worse on 0.
Healthcare-Associated Infections
lower is better · 36 measures reported
Rates of infections patients can acquire while receiving care, such as central-line and catheter-associated infections, MRSA, and C. difficile.
| Measure | Score | Compared to national |
|---|---|---|
| Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit | 0.263 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 0.922 | Better than national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 16440 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 19.332 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 10 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.517 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | — | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 0.528 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 4359 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 5.673 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 0 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.000 | Better than national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.080 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 1.575 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 149 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 4.196 | Same as national |
| SSI - Colon Surgery: Observed Cases | 2 | Same as national |
| SSI - Colon Surgery | 0.477 | Same as national |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | 0.146 | Same as national |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | 2.873 | Same as national |
| SSI - Abdominal Hysterectomy: Number of Procedures | 257 | Same as national |
| SSI - Abdominal Hysterectomy: Predicted Cases | 2.300 | Same as national |
| SSI - Abdominal Hysterectomy: Observed Cases | 2 | Same as national |
| SSI - Abdominal Hysterectomy | 0.870 | Same as national |
| MRSA Bacteremia: Lower Confidence Limit | 0.426 | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 1.926 | Same as national |
| MRSA Bacteremia: Patient Days | 115694 | Same as national |
| MRSA Bacteremia: Predicted Cases | 7.190 | Same as national |
| MRSA Bacteremia: Observed Cases | 7 | Same as national |
| MRSA Bacteremia | 0.974 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.199 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.518 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 88535 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 51.516 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 17 | Better than national |
| Clostridium Difficile (C.Diff) | 0.330 | Better than national |
Complications & Deaths
lower is better · 20 measures reported
Rates of serious complications (like hip/knee replacement problems or accidental cuts during surgery) and 30-day mortality rates for common conditions.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Rate of complications for hip/knee replacement patients | 4 | Same as national | 25 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.9 | Same as national | 730 |
| Death rate for heart attack patients | 12.2 | Same as national | 77 |
| Death rate for CABG surgery patients | — | Not available | — |
| Death rate for COPD patients | 8.9 | Same as national | 69 |
| Death rate for heart failure patients | 9.6 | Same as national | 251 |
| Death rate for pneumonia patients | 13 | Same as national | 180 |
| Death rate for stroke patients | 12.1 | Same as national | 58 |
| Pressure ulcer rate | 0.85 | Same as national | 3222 |
| Death rate among surgical inpatients with serious treatable complications | 162.30 | Same as national | 52 |
| Iatrogenic pneumothorax rate | 0.24 | Same as national | 3770 |
| In-hospital fall-associated fracture rate | 0.27 | Same as national | 3815 |
| Postoperative hemorrhage or hematoma rate | 1.94 | Same as national | 717 |
| Postoperative acute kidney injury requiring dialysis rate | 2.91 | Same as national | 235 |
| Postoperative respiratory failure rate | 10.80 | Same as national | 226 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 3.92 | Same as national | 737 |
| Postoperative sepsis rate | 4.39 | Same as national | 211 |
| Postoperative wound dehiscence rate | 1.95 | Same as national | 201 |
| Abdominopelvic accidental puncture or laceration rate | 1.34 | Same as national | 731 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 1.15 | Same as national | — |
Unplanned Hospital Visits & Readmissions
lower is better · 14 measures reported
How often patients return to the hospital unexpectedly within 30 days of discharge — a marker of care quality and discharge planning.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Hospital return days for heart attack patients | 21.6 | Not available | 70 |
| Hospital return days for heart failure patients | 32.5 | Not available | 290 |
| Hospital return days for pneumonia patients | 17.5 | Not available | 177 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 16.3 | Same as national | 1273 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 11.9 | Same as national | 939 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 10.1 | Same as national | 180 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 5.3 | Same as national | 180 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1 | Same as national | 246 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13.8 | Same as national | 70 |
| Rate of readmission for CABG | — | Not available | — |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 19.3 | Same as national | 76 |
| Heart failure (HF) 30-Day Readmission Rate | 21.1 | Same as national | 290 |
| Rate of readmission after hip/knee replacement | — | Not available | — |
| Pneumonia (PN) 30-Day Readmission Rate | 15.9 | Same as national | 177 |
Patient Experience (HCAHPS)
higher is better · 9 measures reported
What patients say about their hospital stay — communication with nurses and doctors, responsiveness, cleanliness, pain management, and whether they would recommend the hospital.
| Measure | Score | Sample |
|---|---|---|
| Nurse communication - star rating | 3 | 807 |
| Doctor communication - star rating | 3 | 807 |
| Communication about medicines - star rating | 2 | 807 |
| Discharge information - star rating | 2 | 807 |
| Cleanliness - star rating | 1 | 807 |
| Quietness - star rating | 3 | 807 |
| Overall hospital rating - star rating | 2 | 807 |
| Recommend hospital - star rating | 2 | 807 |
| Summary star rating | 2 | 807 |
Timely & Effective Care
higher is better (unless a wait time) · 30 measures reported
How consistently hospitals follow recommended care processes — for example, giving heart-attack patients aspirin on arrival, or the average time spent in the emergency department.
| Measure | Score | Sample |
|---|---|---|
| Emergency department volume | very high | — |
| Global Malnutrition Composite Score | — | — |
| Global Malnutrition Composite Score: Malnutrition Diagnosis Documented | — | — |
| Global Malnutrition Composite Score: Malnutrition Risk Screening | — | — |
| Global Malnutrition Composite Score: Nutrition Assessment | — | — |
| Global Malnutrition Composite Score: Nutritional Care Plan | — | — |
| Hospital Harm - Severe Hyperglycemia | — | — |
| Hospital Harm - Severe Hypoglycemia | 2 | 2976 |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 81 | 4677 |
| Average (median) time all patients spent in the emergency department before leaving from the visit, including psychiatric/mental health patients and patients who were transferred to another facility. A lower number of minutes is better | 178 | 395 |
| Average (median) time patients spent in the emergency department before leaving from the visit, excluding patients transferred to another facility or psychiatric care/mental health patients. A lower number of minutes is better | 174 | 373 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 598 | 17 |
| Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better | — | — |
| Left before being seen | 2 | 86931 |
| Head CT results | — | — |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 99 | 94 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 12 | 3706 |
| Appropriate care for severe sepsis and septic shock | 54 | 126 |
| Septic Shock 3-Hour Bundle | 54 | 28 |
| Septic Shock 6-Hour Bundle | 69 | 13 |
| Severe Sepsis 3-Hour Bundle | 73 | 126 |
| Severe Sepsis 6-Hour Bundle | 88 | 56 |
| Discharged on Antithrombotic Therapy | 97 | 77 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | 98 | 122 |
| Venous Thromboembolism Prophylaxis | — | — |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | — | — |
Maternal Health
lower is better · 4 measures reported
Measures of maternal outcomes and safe delivery practices, including severe complications during childbirth.
| Measure | Score | Sample |
|---|---|---|
| Cesarean Birth | — | — |
| Risk Adjusted Severe Obstetric Complications (All) | — | — |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) | — | — |
| Maternal Morbidity Structural Measure | Yes | — |
Frequently asked questions
- How is Ssm Health St Mary's Hospital - St Louis rated?
- Ssm Health St Mary's Hospital - St Louis has a 3 out of 5 CMS overall star rating as of the latest CMS release.
- Does Ssm Health St Mary's Hospital - St Louis have emergency services?
- Yes. Ssm Health St Mary's Hospital - St Louis operates a 24/7 emergency department.
- Where is Ssm Health St Mary's Hospital - St Louis located?
- Ssm Health St Mary's Hospital - St Louis is located at 6420 Clayton Rd, Saint Louis, MO 63117.
- What type of hospital is Ssm Health St Mary's Hospital - St Louis?
- Ssm Health St Mary's Hospital - St Louis is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Private).
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Data as of 2026-06-14. Source: CMS Provider Data Catalog. This is public data provided for informational purposes only and is not medical advice. See our methodology and editorial policy.