Acute Care Hospitals · Voluntary non-profit - Private
Alta Bates Summit Medical Center
- 350 Hawthorne Avenue, Oakland, CA 94609
- (510) 655-4000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Alta Bates Summit Medical Center carries a 5-star CMS overall rating — above the national norm. On healthcare-associated infection measures, it performs better than the national average on 6 and worse on 0. For 30-day readmissions, it beats the national rate on 1 measure 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 | 0.105 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 1.120 | Same as national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 6975 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 7.291 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 3 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.411 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.285 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 1.464 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 6948 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 8.525 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 6 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.704 | Same as national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.013 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 1.313 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 143 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 3.756 | Same as national |
| SSI - Colon Surgery: Observed Cases | 1 | Same as national |
| SSI - Colon Surgery | 0.266 | Same as national |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | — | Not available |
| SSI - Abdominal Hysterectomy: Number of Procedures | 58 | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | 0.492 | Not available |
| SSI - Abdominal Hysterectomy: Observed Cases | 1 | Not available |
| SSI - Abdominal Hysterectomy | — | Not available |
| MRSA Bacteremia: Lower Confidence Limit | 0.466 | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 2.390 | Same as national |
| MRSA Bacteremia: Patient Days | 62622 | Same as national |
| MRSA Bacteremia: Predicted Cases | 5.221 | Same as national |
| MRSA Bacteremia: Observed Cases | 6 | Same as national |
| MRSA Bacteremia | 1.149 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.141 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.404 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 61708 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 56.713 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 14 | Better than national |
| Clostridium Difficile (C.Diff) | 0.247 | 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 | 4.6 | Same as national | 147 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 3.3 | Better than national | 1671 |
| Death rate for heart attack patients | 10.1 | Same as national | 252 |
| Death rate for CABG surgery patients | 2 | Same as national | 91 |
| Death rate for COPD patients | 6.6 | Same as national | 92 |
| Death rate for heart failure patients | 10.2 | Same as national | 450 |
| Death rate for pneumonia patients | 15.7 | Same as national | 292 |
| Death rate for stroke patients | 11.8 | Same as national | 353 |
| Pressure ulcer rate | 0.39 | Same as national | 6085 |
| Death rate among surgical inpatients with serious treatable complications | 130.09 | Better than national | 109 |
| Iatrogenic pneumothorax rate | 0.13 | Same as national | 7167 |
| In-hospital fall-associated fracture rate | 0.21 | Same as national | 7659 |
| Postoperative hemorrhage or hematoma rate | 2.67 | Same as national | 1446 |
| Postoperative acute kidney injury requiring dialysis rate | 1.25 | Same as national | 580 |
| Postoperative respiratory failure rate | 6.17 | Same as national | 633 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 2.93 | Same as national | 1668 |
| Postoperative sepsis rate | 8.11 | Same as national | 619 |
| Postoperative wound dehiscence rate | 1.61 | Same as national | 309 |
| Abdominopelvic accidental puncture or laceration rate | 1.00 | Same as national | 1209 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.88 | 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 | -19.6 | Not available | 345 |
| Hospital return days for heart failure patients | -19.2 | Not available | 543 |
| Hospital return days for pneumonia patients | -11.2 | Not available | 297 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 13.4 | Better than national | 2802 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 14.8 | Same as national | 251 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapy | 10.8 | Same as national | 25 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy | 5.1 | Same as national | 25 |
| Ratio of unplanned hospital visits after hospital outpatient surgery | 1.2 | Same as national | 579 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 12.3 | Same as national | 345 |
| Rate of readmission for CABG | 9.3 | Same as national | 88 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 18.3 | Same as national | 109 |
| Heart failure (HF) 30-Day Readmission Rate | 18.7 | Same as national | 543 |
| Rate of readmission after hip/knee replacement | 4.7 | Same as national | 139 |
| Pneumonia (PN) 30-Day Readmission Rate | 14.2 | Same as national | 297 |
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 | 716 |
| Doctor communication - star rating | 4 | 716 |
| Communication about medicines - star rating | 2 | 716 |
| Discharge information - star rating | 3 | 716 |
| Cleanliness - star rating | 4 | 716 |
| Quietness - star rating | 3 | 716 |
| Overall hospital rating - star rating | 4 | 716 |
| Recommend hospital - star rating | 5 | 716 |
| Summary star rating | 3 | 716 |
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 | 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 | 1 | 3510 |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 87 | 3674 |
| 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 | 236 | 396 |
| 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 | 233 | 360 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | 310 | 33 |
| 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 | 2 | 42585 |
| Head CT results | 86 | 14 |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 92 | 12 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 17 | 3436 |
| Appropriate care for severe sepsis and septic shock | 66 | 177 |
| Septic Shock 3-Hour Bundle | 72 | 53 |
| Septic Shock 6-Hour Bundle | 79 | 29 |
| Severe Sepsis 3-Hour Bundle | 82 | 177 |
| Severe Sepsis 6-Hour Bundle | 92 | 92 |
| Discharged on Antithrombotic Therapy | 99 | 310 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | — | — |
| Venous Thromboembolism Prophylaxis | — | — |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | 99 | 1189 |
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 Alta Bates Summit Medical Center rated?
- Alta Bates Summit Medical Center has a 5 out of 5 CMS overall star rating as of the latest CMS release.
- Does Alta Bates Summit Medical Center have emergency services?
- Yes. Alta Bates Summit Medical Center operates a 24/7 emergency department.
- Where is Alta Bates Summit Medical Center located?
- Alta Bates Summit Medical Center is located at 350 Hawthorne Avenue, Oakland, CA 94609.
- What type of hospital is Alta Bates Summit Medical Center?
- Alta Bates Summit Medical Center is classified by CMS as a Acute Care Hospitals facility (Voluntary non-profit - Private).
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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.