John Muir Medical Center - Walnut Creek Campus - Hospital in Walnut Creek, CA

John Muir Medical Center - Walnut Creek Campus is a Medicare-certified hospital in Walnut Creek, CA (94598). In the current data, its CMS overall star rating stands at 2 out of 5.

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Location: view on OpenStreetMap

Contact details

Telephone: 925-939-3000

Street address: 1601 YGNACIO VALLEY RD, Walnut Creek, CA 94598

County: Contra Costa County

CMS ratings for John Muir Medical Center - Walnut Creek Campus

CMS Five-Star ratings roll up three areas - health inspections, quality measures, and staffing - and the overall rating is built from those domains. For John Muir Medical Center - Walnut Creek Campus, the published overall rating is 2 out of 5, with health inspections at 0 and staffing at 0.

Check John Muir Medical Center - Walnut Creek Campus 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 John Muir Medical Center - Walnut Creek Campus.

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: John Muir Medical Center - Walnut Creek Campus. Ownership type: Voluntary non-profit - Other. 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 Walnut Creek

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 Walnut Creek, the Contra Costa County hospitals list, or all care types in Walnut Creek.

ZIP code: all care providers in ZIP 94598 · Hospitals in ZIP 94598

Other hospitals in Walnut Creek

Hospital · Voluntary non-profit - Private Kaiser Foundation Hospital - Walnut Creek Walnut Creek, CA 94596 CMS rating 3.0 / 5
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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 - Other
Provider typeAcute Care Hospitals
CMS certification number050180

Frequently asked questions

What is the CMS rating for John Muir Medical Center - Walnut Creek Campus?
In the current data, John Muir Medical Center - Walnut Creek Campus holds a CMS overall star rating of 2 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 John Muir Medical Center - Walnut Creek Campus Medicare-certified?
Yes. CMS data lists John Muir Medical Center - Walnut Creek Campus as a Medicare-certified hospital under certification number 050180. Confirm current participation directly with the provider.
Where is John Muir Medical Center - Walnut Creek Campus located?
1601 YGNACIO VALLEY RD, Walnut Creek, CA 94598. The provider sits in Contra Costa County. Contact phone: 925-939-3000.
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

For general information only, not medical advice. This website shares public data and general information. It does not offer medical advice, diagnosis, or treatment guidance, and it cannot replace a consultation with a qualified health care professional or with Medicare.

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Confirm details before acting. Facility records come from public federal datasets and may lag or contain errors. Always verify current ratings, services, availability, and coverage directly with the provider and on Medicare.gov.

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