SSM Health St Mary's Hospital - St Louis - Hospital in Saint Louis, MO

SSM Health St Mary's Hospital - St Louis is a Medicare-certified hospital in Saint Louis, MO (63117). In the current data, its CMS overall star rating stands at 3 out of 5.

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Location: view on OpenStreetMap

Contact details

Telephone: 314-768-8000

Street address: 6420 CLAYTON RD, Saint Louis, MO 63117

County: St. Louis County

CMS ratings for SSM Health St Mary's Hospital - St Louis

CMS Five-Star ratings roll up three areas - health inspections, quality measures, and staffing - and the overall rating is built from those domains. For SSM Health St Mary's Hospital - St Louis, the published overall rating is 3 out of 5, with health inspections at 0 and staffing at 0.

Check SSM Health St Mary's Hospital - St Louis 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 SSM Health St Mary's Hospital - St Louis.

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: SSM Health St Mary's Hospital - St Louis. Ownership type: Voluntary non-profit - Private. Provider type: Acute Care Hospitals. CMS keeps ownership and operator details on file for every certified provider; confirm current ownership directly with the provider.

About hospitals in Saint Louis

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

When comparing hospitals, examine the CMS overall rating along with the measure groups behind it, confirm the services you need are available, and check whether the hospital is 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 63117 · Hospitals in ZIP 63117

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 South Saint Louis, MO 63128 CMS rating 2.0 / 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 · Government - State St Louis Forensic Treatment Center Saint Louis, MO 63139 No CMS rating
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Key facts

Care typeHospital
CMS overall rating3 / 5
Health inspection rating—
Quality measures rating—
Staffing rating—
Certified beds—
Residents—
OwnershipVoluntary non-profit - Private
Provider typeAcute Care Hospitals
CMS certification number260091

Frequently asked questions

What is the CMS rating for SSM Health St Mary's Hospital - St Louis?
In the current data, SSM Health St Mary's Hospital - St Louis holds a CMS overall star rating of 3 out of 5, with a health inspection rating of 0 out of 5 and a staffing rating of 0 out of 5. CMS publishes these ratings as informational signals, not medical advice.
Is SSM Health St Mary's Hospital - St Louis Medicare-certified?
Yes. CMS data lists SSM Health St Mary's Hospital - St Louis as a Medicare-certified hospital under certification number 260091. Confirm current participation directly with the provider.
Where is SSM Health St Mary's Hospital - St Louis located?
6420 CLAYTON RD, Saint Louis, MO 63117. The provider sits in St. Louis County. Contact phone: 314-768-8000.
Where does this information come from?
Every figure on this page comes 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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Required disclosures

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