Acute Care Hospitals · Government - Hospital District or Authority
Sonoma Valley Hospital
- 347 Andrieux St, Sonoma, CA 95476
- (707) 935-5000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Sonoma Valley Hospital carries a 2-star CMS overall rating — below the national norm.
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 | — | Not available |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | — | Not available |
| Central Line Associated Bloodstream Infection: Number of Device Days | 328 | Not available |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 0.207 | Not available |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 0 | Not available |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | — | Not available |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | — | Not available |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | — | Not available |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 940 | Not available |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 0.488 | Not available |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 0 | Not available |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | — | Not available |
| SSI - Colon Surgery: Lower Confidence Limit | — | Not available |
| SSI - Colon Surgery: Upper Confidence Limit | — | Not available |
| SSI - Colon Surgery: Number of Procedures | — | Not available |
| SSI - Colon Surgery: Predicted Cases | — | Not available |
| SSI - Colon Surgery: Observed Cases | — | Not available |
| SSI - Colon Surgery | — | Not available |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Number of Procedures | 4 | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | 0.018 | Not available |
| SSI - Abdominal Hysterectomy: Observed Cases | 0 | Not available |
| SSI - Abdominal Hysterectomy | — | Not available |
| MRSA Bacteremia: Lower Confidence Limit | — | Not available |
| MRSA Bacteremia: Upper Confidence Limit | — | Not available |
| MRSA Bacteremia: Patient Days | 3881 | Not available |
| MRSA Bacteremia: Predicted Cases | 0.068 | Not available |
| MRSA Bacteremia: Observed Cases | 0 | Not available |
| MRSA Bacteremia | — | Not available |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.210 | Same as national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 4.140 | Same as national |
| Clostridium Difficile (C.Diff): Patient Days | 3881 | Same as national |
| Clostridium Difficile (C.Diff): Predicted Cases | 1.596 | Same as national |
| Clostridium Difficile (C.Diff): Observed Cases | 2 | Same as national |
| Clostridium Difficile (C.Diff) | 1.253 | Same as 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 | — | Not available | — |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 4.8 | Same as national | 225 |
| Death rate for heart attack patients | — | Not available | — |
| Death rate for CABG surgery patients | — | Not available | — |
| Death rate for COPD patients | 8.5 | Same as national | 31 |
| Death rate for heart failure patients | 12.4 | Same as national | 38 |
| Death rate for pneumonia patients | 16.6 | Same as national | 73 |
| Death rate for stroke patients | 15.9 | Same as national | 40 |
| Pressure ulcer rate | 1.12 | Same as national | 540 |
| Death rate among surgical inpatients with serious treatable complications | — | Not available | — |
| Iatrogenic pneumothorax rate | 0.21 | Same as national | 713 |
| In-hospital fall-associated fracture rate | 0.27 | Same as national | 660 |
| Postoperative hemorrhage or hematoma rate | 2.31 | Same as national | 100 |
| Postoperative acute kidney injury requiring dialysis rate | 1.65 | Same as national | 27 |
| Postoperative respiratory failure rate | 8.86 | Same as national | 28 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 3.36 | Same as national | 101 |
| Postoperative sepsis rate | 5.15 | Same as national | 27 |
| Postoperative wound dehiscence rate | — | Not available | — |
| Abdominopelvic accidental puncture or laceration rate | — | Not available | — |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 1.11 | 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 | — | Not available | — |
| Hospital return days for heart failure patients | 22.9 | Not available | 39 |
| Hospital return days for pneumonia patients | -7 | Not available | 65 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 15 | Same as national | 309 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 13.6 | Same as national | 486 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | — | Not available | — |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | — | Not available | — |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 0.9 | Same as national | 83 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | — | Not available | — |
| Rate of readmission for CABG | — | Not available | — |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18.3 | Same as national | 34 |
| Heart failure (HF) 30-Day Readmission Rate | 19.8 | Same as national | 39 |
| Rate of readmission after hip/knee replacement | — | Not available | — |
| Pneumonia (PN) 30-Day Readmission Rate | 15.7 | Same as national | 65 |
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 | 5 | 149 |
| Doctor communication - star rating | 4 | 149 |
| Communication about medicines - star rating | 3 | 149 |
| Discharge information - star rating | 4 | 149 |
| Cleanliness - star rating | 4 | 149 |
| Quietness - star rating | 3 | 149 |
| Overall hospital rating - star rating | 4 | 149 |
| Recommend hospital - star rating | 4 | 149 |
| Summary star rating | 4 | 149 |
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 | low | — |
| 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 | 10 | 676 |
| Hospital Harm - Severe Hypoglycemia | 2 | 163 |
| Hospital Harm - Opioid Related Adverse Events | 1 | 446 |
| Healthcare workers given influenza vaccination | 72 | 503 |
| 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 | 140 | 408 |
| 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 | 122 | 350 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 236 | 21 |
| Average (median) time patients spent in the emergency department before being transferred to another facility. A lower number of minutes is better | 335 | 39 |
| Left before being seen | 1 | 10932 |
| Head CT results | 100 | 14 |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 100 | 168 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 21 | 165 |
| Appropriate care for severe sepsis and septic shock | 84 | 51 |
| Septic Shock 3-Hour Bundle | 100 | 16 |
| Septic Shock 6-Hour Bundle | 92 | 12 |
| Severe Sepsis 3-Hour Bundle | 91 | 55 |
| Severe Sepsis 6-Hour Bundle | 95 | 40 |
| Discharged on Antithrombotic Therapy | 96 | 25 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | — | — |
| Venous Thromboembolism Prophylaxis | 94 | 300 |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | 97 | 246 |
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 | Not Applicable (our hospital does not provide inpatient labor/delivery care) | — |
Frequently asked questions
- How is Sonoma Valley Hospital rated?
- Sonoma Valley Hospital has a 2 out of 5 CMS overall star rating as of the latest CMS release.
- Does Sonoma Valley Hospital have emergency services?
- Yes. Sonoma Valley Hospital operates a 24/7 emergency department.
- Where is Sonoma Valley Hospital located?
- Sonoma Valley Hospital is located at 347 Andrieux St, Sonoma, CA 95476.
- What type of hospital is Sonoma Valley Hospital?
- Sonoma Valley Hospital is classified by CMS as a Acute Care Hospitals facility (Government - Hospital District or Authority).
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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.