Acute Care Hospitals · Voluntary non-profit - Private
Ascension Seton Williamson
- 201 Seton Parkway, Round Rock, TX 78664
- (512) 324-0000
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Ascension Seton Williamson carries a 4-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.
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 | 0.458 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 2.352 | Same as national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 5786 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 5.306 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 6 | Same as national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 1.131 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.108 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 1.156 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 6376 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 7.064 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 3 | Same as national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.425 | Same as national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.024 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 2.362 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 74 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 2.088 | Same as national |
| SSI - Colon Surgery: Observed Cases | 1 | Same as national |
| SSI - Colon Surgery | 0.479 | 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 | 22 | Not available |
| SSI - Abdominal Hysterectomy: Predicted Cases | 0.202 | Not available |
| SSI - Abdominal Hysterectomy: Observed Cases | 0 | Not available |
| SSI - Abdominal Hysterectomy | — | Not available |
| MRSA Bacteremia: Lower Confidence Limit | 0.020 | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 1.953 | Same as national |
| MRSA Bacteremia: Patient Days | 38519 | Same as national |
| MRSA Bacteremia: Predicted Cases | 2.525 | Same as national |
| MRSA Bacteremia: Observed Cases | 1 | Same as national |
| MRSA Bacteremia | 0.396 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | — | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.172 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 37903 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 17.466 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 0 | Better than national |
| Clostridium Difficile (C.Diff) | 0.000 | 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 | — | Not available | — |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality Rate | 4.1 | Same as national | 566 |
| Death rate for heart attack patients | 13.4 | Same as national | 87 |
| Death rate for CABG surgery patients | 2.3 | Same as national | 33 |
| Death rate for COPD patients | 7.8 | Same as national | 52 |
| Death rate for heart failure patients | 12.4 | Same as national | 193 |
| Death rate for pneumonia patients | 16.2 | Same as national | 249 |
| Death rate for stroke patients | 12.2 | Same as national | 205 |
| Pressure ulcer rate | 0.21 | Same as national | 2738 |
| Death rate among surgical inpatients with serious treatable complications | 136.42 | Same as national | 55 |
| Iatrogenic pneumothorax rate | 0.18 | Same as national | 3181 |
| In-hospital fall-associated fracture rate | 0.24 | Same as national | 3015 |
| Postoperative hemorrhage or hematoma rate | 2.14 | Same as national | 844 |
| Postoperative acute kidney injury requiring dialysis rate | 1.62 | Same as national | 232 |
| Postoperative respiratory failure rate | 6.68 | Same as national | 230 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 3.17 | Same as national | 819 |
| Postoperative sepsis rate | 5.46 | Same as national | 219 |
| Postoperative wound dehiscence rate | 1.71 | Same as national | 155 |
| Abdominopelvic accidental puncture or laceration rate | 0.93 | Same as national | 545 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.78 | 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 | -27 | Not available | 90 |
| Hospital return days for heart failure patients | -0.5 | Not available | 226 |
| Hospital return days for pneumonia patients | -14.1 | Not available | 248 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 14.4 | Same as national | 936 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 12.2 | Same as national | 213 |
| 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 | 1 | Same as national | 50 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 12.7 | Same as national | 90 |
| Rate of readmission for CABG | 10.6 | Same as national | 33 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 17.3 | Same as national | 54 |
| Heart failure (HF) 30-Day Readmission Rate | 20.2 | Same as national | 226 |
| Rate of readmission after hip/knee replacement | — | Not available | — |
| Pneumonia (PN) 30-Day Readmission Rate | 14.8 | Same as national | 248 |
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 | 316 |
| Doctor communication - star rating | 3 | 316 |
| Communication about medicines - star rating | 2 | 316 |
| Discharge information - star rating | 3 | 316 |
| Cleanliness - star rating | 3 | 316 |
| Quietness - star rating | 3 | 316 |
| Overall hospital rating - star rating | 3 | 316 |
| Recommend hospital - star rating | 4 | 316 |
| Summary star rating | 3 | 316 |
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 | — | — |
| 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 | 84 | 1633 |
| 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 | 179 | 302 |
| 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 | 179 | 291 |
| Average (median) time psychiatric/mental health patients spent in the emergency department before leaving from the visit. A lower number of minutes is better | — | — |
| 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 | — | — |
| Head CT results | — | — |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | — | — |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 19 | 695 |
| Appropriate care for severe sepsis and septic shock | 48 | 95 |
| Septic Shock 3-Hour Bundle | 36 | 39 |
| Septic Shock 6-Hour Bundle | 92 | 13 |
| Severe Sepsis 3-Hour Bundle | 83 | 95 |
| Severe Sepsis 6-Hour Bundle | 91 | 66 |
| Discharged on Antithrombotic Therapy | 96 | 57 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | 62 | 29 |
| Antithrombotic Therapy by End of Hospital Day 2 | 84 | 45 |
| Venous Thromboembolism Prophylaxis | 83 | 1075 |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | 91 | 629 |
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 Ascension Seton Williamson rated?
- Ascension Seton Williamson has a 4 out of 5 CMS overall star rating as of the latest CMS release.
- Does Ascension Seton Williamson have emergency services?
- Yes. Ascension Seton Williamson operates a 24/7 emergency department.
- Where is Ascension Seton Williamson located?
- Ascension Seton Williamson is located at 201 Seton Parkway, Round Rock, TX 78664.
- What type of hospital is Ascension Seton Williamson?
- Ascension Seton Williamson 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.