Mercy Hospital South
- Affiliated HCPs
- 1,497
- Executives
- 1,293
- Discharges, FY2025
- 30,618
- Net patient revenue, FY2025
- $658.6M
Find the right contacts among 1,293 executives and 1,497 HCPs
Professional emails, personal emails and mobile numbers for Mercy Hospital South's buying committee, with a free Dmand AI account.
Mercy Hospital South is a 748-bed acute care hospital in Saint Louis, Missouri
Mercy Hospital South is a nonprofit hospital in Mercy.
Sources: Provider of Services File - Hospital & Non-Hospital Facilities (CMS); Dmand AI Org Hierarchy Data; and Hospital Provider Cost Report (CMS)
George Casey is hospital CEO of Mercy Hospital South
Dmand AI tracks 1,293 executives and staff leaders at Mercy Hospital South. Waterfall enrichment finds their professional emails, personal emails and mobile numbers.
Executives by department
- Nursing429, names and contacts available with a free account
- Diagnostics101, names and contacts available with a free account
- Operations and administration78, names and contacts available with a free account
- Revenue Cycle Management61, names and contacts available with a free account
- Ambulatory, Access and Patient Navigation47, names and contacts available with a free account
- See every department
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Source: Dmand AI Executive Data
Mercy Hospital South's NPI is 1568481984 and its CCN is 260077
- NPI
- 1568481984NPI Registry (opens in a new tab)
- CMS Certification Number (CCN)
- 260077
- Medicare PAC ID
- 8426962556
- Dmand ID
- SOC-H-002760
- Tax ID (EIN)
- 43-0980256
- Program participation
- Medicare and Medicaid
- Facility address
- 10010 Kennerly Road, Saint Louis, MO 63128
- County
- St. Louis County
- Main phone
- (314) 525-1000
- Executive emails and mobiles
- Get contacts
- Facility type
- Acute care hospital
- CMS hospital type
- Acute Care Hospital
- Ownership
- Voluntary Nonprofit - Church
- Setting
- Urban
- Accreditation
- The Joint Commission
Sources: NPPES NPI Registry (CMS); Provider of Services File - Hospital & Non-Hospital Facilities (CMS); Dmand AI Org Hierarchy Data; Dmand AI Organization Profile Data; and Hospital Enrollments (CMS)
Mercy Hospital South is part of Mercy
Mercy also runs 39 other hospitals and 164 medical groups.
- Mercy
- Mercy Hospital South
- 10 outpatient sites
39 other hospitals in Mercy
Outpatient sites under Mercy Hospital South
Source: Dmand AI Org Hierarchy Data
Org hierarchy
See every hospital, unit and off-campus site from the IDN down, with the executives and HCPs at each one, in a free Dmand AI account.
Mercy Hospital South has 748 beds and discharged 30,618 inpatients in fiscal 2025
| Bed type | Beds |
|---|---|
| Staffed beds (fiscal 2025 cost report) | 748 |
| Licensed beds | 767 |
| CMS certified beds | 767 |
| Psychiatric unit beds | 74 |
| Rehabilitation unit beds | 11 |
Inpatient volume and staffing, fiscal 2025
- Inpatient discharges
- 30,618
- Inpatient days
- 143,323
- Average length of stay
- 4.7 days
- Occupancy
- 52.5% of available bed days
- Medicare discharges
- 6,190 (20.2%)
- Medicaid discharges
- 1,828 (6.0%)
- Employees on payroll
- 2,603 FTE
- Registered nurses
- 550
- Operating rooms
- 26
Trauma, burn, intensive care and transplant services
- Designated trauma center
- Yes
- Neonatal ICU
- Yes
Sources: Provider of Services File - Hospital & Non-Hospital Facilities (CMS); and Hospital Provider Cost Report (CMS)
Mercy Hospital South had 5,389 Medicare inpatient discharges across 138 DRGs
Outpatient, it billed Medicare for 3,140 services in 37 ambulatory payment classifications (APCs). CMS publishes only the DRGs and APCs with 11 or more cases, so the smallest ones are left out of these counts.
- Medicare inpatient discharges
- 5,389
- Diagnosis related groups (DRGs)
- 138
- Medicare outpatient services
- 3,140
Most common Medicare inpatient DRGs at Mercy Hospital South
- 871Septicemia or severe sepsis without MV >96 hours with MCC515
- 291Heart failure and shock with MCC266
- 885Psychoses240
- 177Respiratory infections and inflammations with MCC167
- 689Kidney and urinary tract infections with MCC115
Medicare fee-for-service discharges per diagnosis related group (DRG). Share is of all Medicare discharges CMS reports for the hospital.
Most billed Medicare outpatient services at Mercy Hospital South
Medicare fee-for-service services per ambulatory payment classification (APC). Share is of all Medicare outpatient services CMS reports for the hospital.
Sources: Medicare Inpatient Hospitals - by Provider and Service (CMS); and Medicare Outpatient Hospitals - by Provider and Service (CMS)
Mercy Hospital South has a 2-star CMS overall quality rating
CMS rates hospitals from 1 to 5 stars on mortality, safety of care, readmissions, patient experience and timely and effective care. The patient survey stars come from 1,542 completed HCAHPS surveys, a 19% response rate.
- CMS overall star rating
- 2 of 5
- Patient survey (HCAHPS) summary
- 2 of 5
- Completed patient surveys
- 1,542
How patients rate Mercy Hospital South in the CMS patient survey (HCAHPS)
- Nurse communication2 of 5
- Doctor communication2 of 5
- Communication about medicines1 of 5
- Discharge information3 of 5
- Cleanliness1 of 5
- Quietness3 of 5
- Overall hospital rating2 of 5
- Recommend the hospital3 of 5
Sources: Hospital General Information (CMS); and Patient survey (HCAHPS) - Hospital (CMS)
Mercy Hospital South ranks 4th of 127 Missouri hospitals by beds
Mercy Hospital South ranks in the Missouri top 10 by beds, affiliated HCPs and inpatient discharges.
Inpatient discharges in Missouri
Rank 6 of 127
30,618 inpatient discharges
Busiest hospitals in Missouri
Ranks compare size, not quality of care, among hospitals with a Dmand AI profile that report each measure. Ties share a rank.
Sources: Hospital Provider Cost Report (CMS) and Dmand AI Affiliation Data
Mercy Hospital South offers 45 of the 57 services CMS tracks
It has every service CMS tracks in 5 of the 10 service lines, and some of them in 5 more.
- Emergency and urgent care3 of 3
- Surgery10 of 10
- Intensive care4 of 6
- Imaging and lab7 of 7
- Cancer care2 of 2
- Maternity and children's care2 of 3
- Behavioral health4 of 7
- Rehabilitation and therapy7 of 7
- Transplant and kidney care2 of 4
- Pharmacy and support services4 of 8
Most specialized services at Mercy Hospital South
Offered by the fewest US hospitals.
Source: Provider of Services File - Hospital & Non-Hospital Facilities (CMS)
Mercy Hospital South reported $658.6 million in net patient revenue in fiscal 2025
Its net income was 6.4% of net patient revenue.
- Net patient revenue
- $658.6M
- Gross patient revenue (charges)
- $2.43B
- Operating expenses
- $633.8M
- Net income
- $41.8M
- Uncompensated care
- $21M
- Estimated revenue leakage
- See the estimate
- Denied claims trend
- See denied claims
- Medicare
- Participates
- Medicaid
- Participates
- Medicare share of inpatient days
- 20.8%
- Medicaid share of inpatient days
- 6.2%
- Commercial payer mix
- See payer mix
Source: Hospital Provider Cost Report (CMS)
Financials
Get denied inpatient and outpatient claims, Medicare and Medicaid revenue splits, and the Dmand AI revenue leakage estimate for Mercy Hospital South, with year-over-year trends.
1,497 HCPs are affiliated with Mercy Hospital South
Mercy Hospital South physicians by specialty
- Internal medicine218
- Family medicine128
- Diagnostic radiology70
- Obstetrics and gynecology50
- Emergency medicine48
Share of the 974 physicians Dmand AI links to Mercy Hospital South.
Medical groups with the most clinicians at Mercy Hospital South
114 groups with 5 or more clinicians here. Clinicians can bill through more than one group, so counts overlap.
Physicians at Mercy Hospital South
Sources: NPPES NPI Registry (CMS); and Dmand AI Affiliation Data
Dmand AI tracks 329 products in 25 technology categories at Mercy Hospital South
Vendor names, products and install status are available with a free account.
| Category | Vendor and product | Install status |
|---|---|---|
| EHR, ambulatory | Available with a free account | Available with a free account |
| EHR, inpatient | Available with a free account | Available with a free account |
| EHR | Available with a free account | Available with a free account |
| Revenue Cycle Management | Available with a free account | Available with a free account |
| Clinical and Business Intelligence | Available with a free account | Available with a free account |
Source: Dmand AI Technology Install Data
Technology
Get vendor and product names and install status for all 25 categories tracked at Mercy Hospital South, plus the IT leaders who own them.
Sean Hogan is listed as president in Mercy Hospital South's CMS ownership record
Mercy Hospital South's CMS ownership record lists 7 corporate directors, 5 corporate officers and 1 W-2 managing employee.
- Sean HoganPresident · Corporate officerSince 2018
- Mark MerlottiChairman · Corporate directorSince 2021
- Tyler SturgeonCfo · Corporate officerSince 2023
Source: Hospital All Owners (CMS)
Hospitals similar in size to Mercy Hospital South
These acute care hospitals in the Midwest have the closest bed counts to Mercy Hospital South on their latest cost reports.
| Hospital | Beds | Discharges |
|---|---|---|
| Ascension St. Vincent Hospital - IndianapolisIndianapolis, IN | 745 | 31,437 |
| University of Iowa Health Care Medical CenterIowa City, IA | 743 | 33,861 |
| University of Chicago Medical CenterChicago, IL | 737 | 30,652 |
| Froedtert HospitalMilwaukee, WI | 731 | 38,917 |
| OhioHealth Riverside Methodist HospitalColumbus, OH | 766 | 43,627 |
Sources: Hospital Provider Cost Report (CMS); and Dmand AI Peer Benchmarks
Sources for Mercy Hospital South data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mercy Hospital South
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is the address and phone number of Mercy Hospital South?
Mercy Hospital South is at 10010 Kennerly Road, Saint Louis, MO 63128. Its main phone number is (314) 525-1000.
Who is the CEO of Mercy Hospital South?
Dmand AI lists George Casey as hospital CEO of Mercy Hospital South. It tracks 1,293 executives and leaders there in all, including 6 C-suite leaders, 2 owners, 1 vice president, 2 department heads, 45 directors and 96 managers.
How many beds does Mercy Hospital South have?
Mercy Hospital South has 748 staffed beds on its fiscal 2025 Medicare cost report and is licensed for 767.
What is Mercy Hospital South's CMS star rating?
Mercy Hospital South has 2 out of 5 stars in the CMS Overall Hospital Quality Star Rating and 2 out of 5 stars in the HCAHPS patient survey.
How many Medicare patients does Mercy Hospital South admit?
CMS reports 5,389 Medicare fee-for-service inpatient discharges at Mercy Hospital South across 138 DRGs. The most common is septicemia or severe sepsis without MV >96 hours with MCC.
Is Mercy Hospital South the largest hospital in Missouri?
Mercy Hospital South ranks 4th of 127 Missouri hospitals by beds, with 748 beds.
How does Mercy Hospital South rank among Missouri hospitals?
Mercy Hospital South ranks 4th by beds, 6th by affiliated HCPs and 6th by inpatient discharges among Missouri hospitals with a Dmand AI profile.
How many patients does Mercy Hospital South treat each year?
Mercy Hospital South discharged 30,618 inpatients in fiscal 2025, with 143,323 inpatient days.
Is Mercy Hospital South a trauma center?
Yes. Mercy Hospital South's CMS file lists a designated trauma center.
What is Mercy Hospital South's annual revenue?
Mercy Hospital South reported $658.6 million in net patient revenue in fiscal 2025, on $2.43 billion in gross charges.
Show 9 more questionsShow fewer questions
Is Mercy Hospital South profitable?
Mercy Hospital South reported a net income of $41.8 million on its fiscal 2025 Medicare cost report.
What share of Mercy Hospital South's patients are on Medicare or Medicaid?
Medicare covered 20.8% and Medicaid 6.2% of inpatient days at Mercy Hospital South in fiscal 2025.
What health system is Mercy Hospital South part of?
Mercy Hospital South is part of Mercy, based in Chesterfield. Mercy has 39 other hospitals in Dmand AI.
Who owns Mercy Hospital South?
Mercy Hospital South is a nonprofit hospital (Voluntary Nonprofit - Church in CMS records). Dmand AI places it under Mercy. Its CMS ownership record lists 13 owners, directors and managers, including Sean Hogan.
What physician groups are affiliated with Mercy Hospital South?
Groups with the most clinicians at Mercy Hospital South include Mercy Clinic East Communities and Mercy Hospital St. Louis. Dmand AI finds 114 medical groups with 5 or more clinicians there.
How many physicians work at Mercy Hospital South?
Dmand AI links 974 physicians and 1,497 HCPs in all to Mercy Hospital South with a current affiliation.
What is Mercy Hospital South's NPI number?
Mercy Hospital South's NPI number is 1568481984.
What is Mercy Hospital South's CCN?
Mercy Hospital South's CMS Certification Number (CCN) is 260077.
Is Mercy Hospital South for-profit or nonprofit?
Mercy Hospital South is a nonprofit hospital, listed as Voluntary Nonprofit - Church in CMS records.
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