Hospital · Short-term acute hospital
Who owns Mercy Hospital South?
10010 Kennerly Road · Saint Louis, MO · 63128
Overview
Mercy Hospital South is a short-term acute hospital in Saint Louis, Missouri, operated by Mercy Hospital South. St. Louis County has 16 hospitals, 60 nursing homes and 59 urgent care centers.
Ownership
Mercy Hospital South is operated by Mercy Hospital South, part of Mercy.
- Operator
- Mercy Hospital South
- Owner group
- Mercy
- Ownership type
- Private Nonprofit
- Sources
- CMS Hospital Enrollments and All Owners (PECOS): hospital ownership graph · 2026-10-25
- AHRQ Compendium of U.S. Health Systems (hospital linkage) · 2023-12-31
- Company website · 2026-10-25
Ownership history
Every dated change of operator and owner for Mercy Hospital South, with the source for each.
Full ownership tree of Mercy
Every entity between this facility and its ultimate owner, with ownership percentages and dates.
Finances
From the hospital's Medicare cost report, fiscal year ending 2025.
| Net patient revenue | $658.6M |
| Operating expenses | $633.8M |
| Net income | $41.8M |
| Net income as a share of net patient revenue | 6.4% |
| Uncompensated care cost | $21.0M |
| Charity care cost | $15.9M |
| Medicaid net revenue | $62.5M |
| Medicare disproportionate share percentage | 8.0% |
Payer mix by inpatient days (2025)
- Commercial and other 73.0%
- Medicare 20.8%
- Medicaid 6.2%
Services
Top inpatient services, Medicare (2024)
| Service | Discharges | Average total payment |
|---|---|---|
| Septicemia or severe sepsis without MV >96 hours with MCC · 871 | 515 | $14K |
| Heart failure and shock with MCC · 291 | 266 | $9K |
| Psychoses · 885 | 240 | $10K |
| Respiratory infections and inflammations with MCC · 177 | 167 | $12K |
| Kidney and urinary tract infections with MCC · 689 | 115 | $8K |
Top outpatient services, Medicare (2024)
| Service | Services |
|---|---|
| Comprehensive Observation Services · 8011 | 416 |
| Level 2 Upper GI Procedures · 5302 | 255 |
| Level 1 Nerve Procedures · 5431 | 219 |
| Level 2 Excision/ Biopsy/ Incision and Drainage · 5072 | 211 |
| Level 3 Vascular Procedures · 5183 | 196 |
Medicare fee-for-service only. Small counts are suppressed by CMS.
Location and market
- Address
- 10010 Kennerly Road · Saint Louis, MO · 63128
- County
- St. Louis County
- State
- Missouri
17 off-site locations
Campuses, off-site emergency departments and outpatient departments under this hospital's certification.
Nearby hospitals
| Name | City | Distance |
|---|---|---|
| Kindred Hospital St Louis South | Saint Louis | 0.0 mi |
| Mercy Rehabilitation Hospital South | Saint Louis | 0.2 mi |
| Va Heartland East, Jefferson Barracks Division | Saint Louis | 4.8 mi |
| SSM Health St. Clare Hospital - Fenton | Fenton | 5.2 mi |
| St Louis Forensic Treatment Center | Saint Louis | 8.5 mi |
| Ssm Health Rehabilitation Hospital | Richmond Heights | 9.2 mi |
Sources and identifiers
- Operator: CMS Hospital Enrollments and All Owners (PECOS): hospital ownership graph · AHRQ Compendium of U.S. Health Systems (hospital linkage) · Company website
- Finances and payer mix: CMS hospital cost reports (HCRIS), fiscal year 2025
- Services: CMS Medicare inpatient and outpatient utilization
- Ownership type and beds: CMS Provider of Services file
- Location: CMS and Census Bureau geography
- CMS certification number
- 260077
- NPI
- 1568481984
- Last confirmed
- 2026-10-23
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