Mercy Hospital South - Hospital in Saint Louis, MO

Mercy Hospital South is a Medicare-certified hospital in Saint Louis, MO (63128). Its CMS overall star rating is 2 out of 5 in the current data.

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Location: view on OpenStreetMap

Contact information

Phone: 314-525-1000

Address: 10010 KENNERLY ROAD, Saint Louis, MO 63128

County: St. Louis County

CMS ratings for Mercy Hospital South

CMS Five-Star ratings summarize three areas: health inspections, quality measures, and staffing. The overall rating combines those domains. For Mercy Hospital South, the published overall rating is 2 out of 5, with health inspections at 0 and staffing at 0.

Check Mercy Hospital South on CMS Care Compare →

Inspections, fines & enforcement

CMS publishes health inspection results and any civil money penalties or enforcement actions for certified providers. The current Care Compare record is the authoritative source for Mercy Hospital South.

Staffing

CMS publishes nurse staffing information for certified providers. Staffing levels vary by resident acuity; compare staffing figures alongside inspection findings when evaluating care.

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Ownership & operation

Legal name: Mercy Hospital South. Ownership type: Voluntary non-profit - Private. Provider type: Acute Care Hospitals. CMS records ownership and operator information for every certified provider; confirm current ownership with the provider.

About hospitals in Saint Louis

Hospitals provide inpatient medical and surgical care, emergency services, and diagnostic care. Medicare-certified hospitals receive CMS star ratings that summarize mortality, safety, readmission, patient experience, and timely and effective care.

When comparing hospitals, review the CMS overall rating and the underlying measure groups, confirm that the services you need are offered, and check whether the hospital participates in your insurance network. Ratings are signals, not medical advice. For local alternatives, browse the Hospitals directory for Saint Louis, the St. Louis County hospitals list, or all care types in Saint Louis.

ZIP code: all care providers in ZIP 63128 · Hospitals in ZIP 63128

Other hospitals in Saint Louis

Hospital · Voluntary non-profit - Private Christian Hospital Northeast Saint Louis, MO 63136 CMS rating 4.0 / 5 Hospital · Voluntary non-profit - Private Mercy Hospital St Louis Saint Louis, MO 63141 CMS rating 4.0 / 5 Hospital · Voluntary non-profit - Private Missouri Baptist Medical Center Saint Louis, MO 63131 CMS rating 5.0 / 5 Hospital · Voluntary non-profit - Private SSM Health St Mary's Hospital - St Louis Saint Louis, MO 63117 CMS rating 3.0 / 5 Hospital · Government - State St Louis Forensic Treatment Center Saint Louis, MO 63139 Not CMS-rated
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Key facts

Care typeHospital
CMS overall rating2 / 5
Health inspection rating—
Quality measures rating—
Staffing rating—
Certified beds—
Residents—
OwnershipVoluntary non-profit - Private
Provider typeAcute Care Hospitals
CMS certification number260077

Frequently asked questions

What is the CMS rating for Mercy Hospital South?
Mercy Hospital South has a CMS overall star rating of 2 out of 5 in the current data, with a health inspection rating of 0 out of 5 and a staffing rating of 0 out of 5. Ratings are published by CMS and are informational signals, not medical advice.
Is Mercy Hospital South Medicare-certified?
Yes. Mercy Hospital South is listed as a Medicare-certified hospital in CMS data under certification number 260077. Confirm current participation directly with the provider.
Where is Mercy Hospital South located?
10010 KENNERLY ROAD, Saint Louis, MO 63128. The provider is in St. Louis County. Contact phone: 314-525-1000.
Where does this information come from?
All figures on this page come from the CMS Care Compare public dataset (processing date 2026-10-06). CMS has not reviewed or endorsed this site. Verify current details at Medicare.gov before making care decisions.

Data provenance

Source: CMS Hospital General Information - dataset xubh-q36u. Processing date: 2026-08-23. See the methodology page for normalization details. This profile is informational only and is not medical advice.

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Important disclosures

Informational only, not medical advice. This directory publishes public data and general information. It does not provide medical advice, diagnosis, or treatment recommendations, and it is not a substitute for consulting a qualified health care professional or Medicare.

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