6420 Clayton Rd, Saint Louis, MO, 63117 · (314) 768-8000
Beds
488
FY 2025
Star rating
3 of 5
Patient survey: 2 of 5
Net patient revenue
$872.9M
FY 2025
Net income
$96.9M
Patient care margin -13.7%
Discharges
19,864
Occupancy 61.9%
Clinicians
712
From the hospital's yearly cost reports (fiscal years as the hospital reports them)
Locations are shown at the center of the ZIP code.
US dollars as reported. Patient care margin = net patient revenue minus operating expenses, before other income such as grants, donations and investments.
| Fiscal year | Net patient revenue | Operating expenses | Patient care margin | Net income | Discharges | Uncompensated care | Medicare days | Medicaid days |
|---|---|---|---|---|---|---|---|---|
| 2025 | $872.9M | $992.4M | -13.7% | $96.9M | 19,864 | $19.5M | 7.7% | 8.6% |
Official hospital quality measures with the national median across hospitals. For ratios, 1.00 means as many cases as expected.
| Death rate for COPD patients | 8.5% | US median 8.5% |
| Death rate for heart attack patients | 11.8% | US median 11.8% |
| Death rate for heart failure patients | 8.7% | US median 11% |
| Hospital-wide death rate within 30 days | 3.2% | US median 3.9% |
| Death rate for pneumonia patients | 14.5% | US median 15.2% |
| Death rate for stroke patients | 9.6% | US median 11.6% |
Medicare clinicians who list this hospital, by specialty
Inpatient stays by diagnosis related group (DRG), 2024
Official US government data: hospital records, ownership records, yearly cost reports and quality measures, linked by the hospital's CCN and NPI. Financials are for fiscal years as reported by the hospital.
Medicare clinicians who work here
| 2024 | $842.5M | $914.8M | -8.6% | $65.5M | 21,532 | $23.3M | 9.5% | 10.6% |
| 2023 | $822.5M | $867.7M | -5.5% | $84.2M | 25,991 | $22.0M | 9.6% | 9.3% |
| 2022 | $792.8M | $792.9M | -0.0% | $63.9M | 22,375 | $17.5M | 10.8% | 10.8% |
| 2021 | $749.1M | $780.5M | -4.2% | $73.9M | 23,156 | $27.2M | 11.9% | 9.2% |
| 2020 | $823.6M | $753.3M | 8.5% | $220.4M | 22,254 | $27.6M | 14.9% | 9.7% |
| Readmission rate for COPD | 19.6% | US median 19.8% |
| Readmission rate after a heart attack | 15% | US median 14.4% |
| Readmission rate for heart failure | 21.8% | US median 21.3% |
| Readmission rate after hip or knee replacement | 6.4% | US median 5.8% |
| Readmission rate for pneumonia | 16.4% | US median 17.2% |
| Complications after hip or knee replacement | 3.8% | US median 4.1% |
| Serious complications (patient safety composite) | 1.15 | US median 0.96 |
| C. diff intestinal infections (ratio to expected) | 0.30 | US median 0.28 · better |
| Central line bloodstream infections (ratio to expected) | 0.49 | US median 0.48 · better |
| Surgical site infections after colon surgery (ratio to expected) | 0.26 | US median 0.72 |
| Surgical site infections after hysterectomy (ratio to expected) | 0.42 | US median 0.81 |
| MRSA bloodstream infections (ratio to expected) | 1.15 | US median 0.60 |
| Catheter urinary tract infections (ratio to expected) | 0.18 | US median 0.40 · better |
| Doctors always communicated well | 76% | US median 79% |
| Nurses always communicated well | 76% | US median 80% |
| Patient survey summary star rating | 2 of 5 | US median 3 of 5 |
| Area around the room always quiet at night | 60% | US median 59% |
| Patients who rated the hospital 9 or 10 out of 10 | 62% | US median 72% |
| Room and bathroom always clean | 62% | US median 73% |
| Patients who would definitely recommend the hospital | 63% | US median 71% |
| Patients who left the emergency department before being seen | 2% | US median 1% |
| Median time in the emergency department before leaving (minutes) | 166 min | US median 148 min |
| Patients prescribed 2 or more opioids or opioids with benzodiazepines at discharge | 12% | US median 15% |
| Patients who got appropriate care for severe sepsis and septic shock | 53% | US median 65% |
| Healthcare workers given the flu vaccine | 81% | US median 79% |
| 52 |
| $22,289.81 |
| $7,271.71 |
| $5,662.18 |
| DRG 640 MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITH MCC | 41 | $32,484.88 | $11,992.80 | $10,642.23 |
| DRG 378 GASTROINTESTINAL HEMORRHAGE WITH CC | 34 | $23,637.85 | $8,670.35 | $7,294.77 |
| DRG 683 RENAL FAILURE WITH CC | 33 | $21,774.73 | $7,978.85 | $6,629.69 |
| DRG 682 RENAL FAILURE WITH MCC | 31 | $31,590.97 | $12,942.52 | $11,457.18 |
| DRG 853 INFECTIOUS AND PARASITIC DISEASES WITH O.R. PROCEDURES WITH MCC | 31 | $143,529.94 | $44,543.77 | $40,556.82 |
| DRG 689 KIDNEY AND URINARY TRACT INFECTIONS WITH MCC | 29 | $26,262.10 | $10,094.45 | $8,838.11 |
| DRG 189 PULMONARY EDEMA AND RESPIRATORY FAILURE | 29 | $35,018.52 | $10,823.59 | $9,973.97 |
| DRG 698 OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH MCC | 27 | $35,265.07 | $14,137.15 | $13,076.55 |
| DRG 193 SIMPLE PNEUMONIA AND PLEURISY WITH MCC | 27 | $30,374.85 | $10,539.04 | $9,867.73 |
| DRG 177 RESPIRATORY INFECTIONS AND INFLAMMATIONS WITH MCC | 27 | $37,695.48 | $14,302.48 | $12,667.88 |
| DRG 377 GASTROINTESTINAL HEMORRHAGE WITH MCC | 25 | $41,111.48 | $16,067.52 | $14,301.50 |
| DRG 690 KIDNEY AND URINARY TRACT INFECTIONS WITHOUT MCC | 24 | $21,183.88 | $6,774.67 | $5,985.69 |
Hospital outpatient services by payment group (APC), 2024
| Service group | Services | Patients | Medicare pays per service | All hospitals |
|---|---|---|---|---|
| APC 8011 Comprehensive Observation Services | 166 | 150 | $1,883.31 | $2,090.36 |
| APC 5372 Level 2 Urology and Related Services | 100 | 68 | $462.33 | $502.15 |
| APC 5431 Level 1 Nerve Procedures | 80 | 59 | $1,306.60 | $1,406.61 |
| APC 5373 Level 3 Urology and Related Services | 79 | 68 | $1,413.74 | $1,516.28 |
| APC 5302 Level 2 Upper GI Procedures | 71 | 58 | $1,311.19 | $1,444.50 |
| APC 5072 Level 2 Excision/ Biopsy/ Incision and Drainage | 70 | 65 | $1,112.75 | $1,219.56 |
| APC 5374 Level 4 Urology and Related Services | 51 | 46 | $2,333.23 | $2,629.24 |
| APC 5414 Level 4 Gynecologic Procedures | 50 | 50 | $2,133.75 | $2,389.24 |
| APC 5183 Level 3 Vascular Procedures | 48 | 42 | $2,215.95 | $2,405.01 |
| APC 5115 Level 5 Musculoskeletal Procedures | 48 | 47 | $9,857.94 | $10,771.69 |
| APC 5415 Level 5 Gynecologic Procedures | 31 | 31 | $3,464.00 | $3,792.42 |
| APC 5361 Level 1 Laparoscopy and Related Services | 31 | 30 | $3,499.90 | $4,357.80 |
Reported payments to this teaching hospital
| Company | Payments | Amount |
|---|---|---|
| GenMark Diagnostics, Inc. | 8 | $24K |
| Bard Peripheral Vascular, Inc. BDX | 1 | $14K |
| Spacelabs Healthcare Inc | 1 | $9,331 |
Official US government data on Original Medicare hospital stays and outpatient services; groups with fewer than 11 cases are not published. Payments are those drug and device companies must report.
SSM Health St Mary's Hospital - St Louis is a nonprofit short-term acute care hospital in Saint Louis, MO with 488 beds, part of SSM Health and a 3-star overall rating.
SSM Health St Mary's Hospital - St Louis in Saint Louis, MO has 488 beds (fiscal year 2025 cost report); 650 beds are certified for Medicare. It discharged 19,864 inpatients that year, with 61.9% of its beds in use on average.
In fiscal year 2025 (ending 2025-12-31), SSM Health St Mary's Hospital - St Louis reported net patient revenue of $872.9M and operating expenses of $992.4M, a margin on patient care of -13.7%. After other income and expenses its net income was $96.9M (8.9% of revenue), so it made a profit that year.
SSM Health St Mary's Hospital - St Louis is part of SSM Health, a health system with 24 hospitals based in St. Louis, MO. It is a nonprofit hospital.
SSM Health St Mary's Hospital - St Louis has an overall rating of 3 out of 5 stars in the official hospital quality ratings. Patients rate it 2 out of 5 stars in the patient survey.
Yes, SSM Health St Mary's Hospital - St Louis provides emergency services.
712 Medicare clinicians list SSM Health St Mary's Hospital - St Louis as a hospital they work at, most often in Nurse Practitioner, Internal Medicine, Family Practice.
In 2024, SSM Health St Mary's Hospital - St Louis had 1,065 Medicare inpatient stays in 42 diagnosis groups. The most common was DRG 291 (heart failure and shock with mcc) with 137 stays; Medicare paid $11,266.16 per stay on average, compared with $10,022.34 across all hospitals.
In 2025, companies reported $48K in payments to SSM Health St Mary's Hospital - St Louis as a teaching hospital ($24K general and $24K for research) from 3 companies.