Acute Care Hospitals · Voluntary non-profit - Other
John Muir Medical Center - Walnut Creek Campus
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- (925) 939-3000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
John Muir Medical Center - Walnut Creek Campus carries a 2-star CMS overall rating — below the national norm. On healthcare-associated infection measures, it performs better than the national average on 18 and worse on 6. For 30-day readmissions, it beats the national rate on 2 measures and trails on 0.
Healthcare-Associated Infections
lower is better · 36 measures reported
Rates of infections patients can acquire while receiving care, such as central-line and catheter-associated infections, MRSA, and C. difficile.
| Measure | Score | Compared to national |
|---|---|---|
| Central Line Associated Bloodstream Infection (ICU + select Wards): Lower Confidence Limit | 0.107 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 0.813 | Better than national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 10980 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 11.861 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 4 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.337 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.128 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 0.654 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 11631 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 19.072 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 6 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.315 | Better than national |
| SSI - Colon Surgery: Lower Confidence Limit | 1.258 | Worse than national |
| SSI - Colon Surgery: Upper Confidence Limit | 4.158 | Worse than national |
| SSI - Colon Surgery: Number of Procedures | 172 | Worse than national |
| SSI - Colon Surgery: Predicted Cases | 4.598 | Worse than national |
| SSI - Colon Surgery: Observed Cases | 11 | Worse than national |
| SSI - Colon Surgery | 2.392 | Worse than national |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | 0.662 | Same as national |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | 3.399 | Same as national |
| SSI - Abdominal Hysterectomy: Number of Procedures | 453 | Same as national |
| SSI - Abdominal Hysterectomy: Predicted Cases | 3.671 | Same as national |
| SSI - Abdominal Hysterectomy: Observed Cases | 6 | Same as national |
| SSI - Abdominal Hysterectomy | 1.634 | Same as national |
| MRSA Bacteremia: Lower Confidence Limit | 0.300 | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 1.538 | Same as national |
| MRSA Bacteremia: Patient Days | 113693 | Same as national |
| MRSA Bacteremia: Predicted Cases | 8.115 | Same as national |
| MRSA Bacteremia: Observed Cases | 6 | Same as national |
| MRSA Bacteremia | 0.739 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.345 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.659 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 99922 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 76.557 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 37 | Better than national |
| Clostridium Difficile (C.Diff) | 0.483 | Better than national |
Complications & Deaths
lower is better · 20 measures reported
Rates of serious complications (like hip/knee replacement problems or accidental cuts during surgery) and 30-day mortality rates for common conditions.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Rate of complications for hip/knee replacement patients | 3.1 | Same as national | 690 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.5 | Better than national | 3033 |
| Death rate for heart attack patients | 12 | Same as national | 160 |
| Death rate for CABG surgery patients | — | Not available | — |
| Death rate for COPD patients | 7.5 | Same as national | 118 |
| Death rate for heart failure patients | 9.3 | Better than national | 679 |
| Death rate for pneumonia patients | 13.3 | Better than national | 756 |
| Death rate for stroke patients | 16.6 | Worse than national | 471 |
| Pressure ulcer rate | 1.40 | Worse than national | 9764 |
| Death rate among surgical inpatients with serious treatable complications | 222.42 | Worse than national | 120 |
| Iatrogenic pneumothorax rate | 0.35 | Same as national | 11630 |
| In-hospital fall-associated fracture rate | 0.22 | Same as national | 11793 |
| Postoperative hemorrhage or hematoma rate | 2.76 | Same as national | 3066 |
| Postoperative acute kidney injury requiring dialysis rate | 1.37 | Same as national | 1631 |
| Postoperative respiratory failure rate | 6.12 | Same as national | 1580 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 3.33 | Same as national | 3268 |
| Postoperative sepsis rate | 4.43 | Same as national | 1594 |
| Postoperative wound dehiscence rate | 1.82 | Same as national | 685 |
| Abdominopelvic accidental puncture or laceration rate | 2.01 | Worse than national | 2206 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 1.14 | Same as national | — |
Unplanned Hospital Visits & Readmissions
lower is better · 14 measures reported
How often patients return to the hospital unexpectedly within 30 days of discharge — a marker of care quality and discharge planning.
| Measure | Score | Compared to national | Sample |
|---|---|---|---|
| Hospital return days for heart attack patients | -15.6 | Not available | 90 |
| Hospital return days for heart failure patients | -10.6 | Not available | 723 |
| Hospital return days for pneumonia patients | 34.7 | Not available | 736 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 13 | Better than national | 4874 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 13.2 | Same as national | 222 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 10.8 | Same as national | 28 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 5.3 | Same as national | 28 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1.1 | Same as national | 321 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13 | Same as national | 90 |
| Rate of readmission for CABG | — | Not available | — |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18.3 | Same as national | 129 |
| Heart failure (HF) 30-Day Readmission Rate | 18.3 | Same as national | 723 |
| Rate of readmission after hip/knee replacement | 3.4 | Better than national | 677 |
| Pneumonia (PN) 30-Day Readmission Rate | 16.5 | Same as national | 736 |
Patient Experience (HCAHPS)
higher is better · 9 measures reported
What patients say about their hospital stay — communication with nurses and doctors, responsiveness, cleanliness, pain management, and whether they would recommend the hospital.
| Measure | Score | Sample |
|---|---|---|
| Nurse communication - star rating | 3 | 686 |
| Doctor communication - star rating | 3 | 686 |
| Communication about medicines - star rating | 2 | 686 |
| Discharge information - star rating | 4 | 686 |
| Cleanliness - star rating | 3 | 686 |
| Quietness - star rating | 3 | 686 |
| Overall hospital rating - star rating | 3 | 686 |
| Recommend hospital - star rating | 4 | 686 |
| Summary star rating | 3 | 686 |
Timely & Effective Care
higher is better (unless a wait time) · 30 measures reported
How consistently hospitals follow recommended care processes — for example, giving heart-attack patients aspirin on arrival, or the average time spent in the emergency department.
| Measure | Score | Sample |
|---|---|---|
| Emergency department volume | very high | — |
| Global Malnutrition Composite Score | — | — |
| Global Malnutrition Composite Score: Malnutrition Diagnosis Documented | — | — |
| Global Malnutrition Composite Score: Malnutrition Risk Screening | — | — |
| Global Malnutrition Composite Score: Nutrition Assessment | — | — |
| Global Malnutrition Composite Score: Nutritional Care Plan | — | — |
| Hospital Harm - Severe Hyperglycemia | — | — |
| Hospital Harm - Severe Hypoglycemia | — | — |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 60 | 4709 |
| Average (median) time all patients spent in the emergency department before leaving from the visit, including psychiatric/mental health patients and patients who were transferred to another facility. A lower number of minutes is better | 180 | 378 |
| Average (median) time patients spent in the emergency department before leaving from the visit, excluding patients transferred to another facility or psychiatric care/mental health patients. A lower number of minutes is better | 177 | 363 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 256 | 13 |
| Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better | — | — |
| Left before being seen | 1 | 66500 |
| Head CT results | — | — |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 86 | 22 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 15 | 5973 |
| Appropriate care for severe sepsis and septic shock | 61 | 114 |
| Septic Shock 3-Hour Bundle | 58 | 43 |
| Septic Shock 6-Hour Bundle | 95 | 21 |
| Severe Sepsis 3-Hour Bundle | 83 | 114 |
| Severe Sepsis 6-Hour Bundle | 90 | 71 |
| Discharged on Antithrombotic Therapy | 98 | 371 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | 88 | 326 |
| Venous Thromboembolism Prophylaxis | — | — |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | 94 | 2982 |
Maternal Health
lower is better · 4 measures reported
Measures of maternal outcomes and safe delivery practices, including severe complications during childbirth.
| Measure | Score | Sample |
|---|---|---|
| Cesarean Birth | — | — |
| Risk Adjusted Severe Obstetric Complications (All) | — | — |
| Risk Adjusted Severe Obstetric Complications (excluding blood-transfusion-only cases) | — | — |
| Maternal Morbidity Structural Measure | Yes | — |
Frequently asked questions
- How is John Muir Medical Center - Walnut Creek Campus rated?
- John Muir Medical Center - Walnut Creek Campus has a 2 out of 5 CMS overall star rating as of the latest CMS release.
- Does John Muir Medical Center - Walnut Creek Campus have emergency services?
- Yes. John Muir Medical Center - Walnut Creek Campus operates a 24/7 emergency department.
- Where is John Muir Medical Center - Walnut Creek Campus located?
- John Muir Medical Center - Walnut Creek Campus is located at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598.
- What type of hospital is John Muir Medical Center - Walnut Creek Campus?
- John Muir Medical Center - Walnut Creek Campus is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Other).
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Data as of 2026-06-14. Source: CMS Provider Data Catalog. This is public data provided for informational purposes only and is not medical advice. See our methodology and editorial policy.