Acute Care Hospitals · Voluntary non-profit - Private
Memorial Hermann Katy Hospital
- 23900 Katy Freeway, Katy, TX 77494
- (281) 392-1111
- Acute Care Hospitals
- Emergency services available 24/7
At a glance
Memorial Hermann Katy Hospital carries a 3-star CMS overall rating — in line with the national norm. On healthcare-associated infection measures, it performs better than the national average on 18 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 | 0.008 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Upper Confidence Limit | 0.787 | Better than national |
| Central Line Associated Bloodstream Infection: Number of Device Days | 6287 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Predicted Cases | 6.270 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards): Observed Cases | 1 | Better than national |
| Central Line Associated Bloodstream Infection (ICU + select Wards) | 0.159 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Lower Confidence Limit | 0.006 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Upper Confidence Limit | 0.588 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Number of Urinary Catheter Days | 8161 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Predicted Cases | 8.394 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards): Observed Cases | 1 | Better than national |
| Catheter Associated Urinary Tract Infections (ICU + select Wards) | 0.119 | Better than national |
| SSI - Colon Surgery: Lower Confidence Limit | 0.165 | Same as national |
| SSI - Colon Surgery: Upper Confidence Limit | 1.768 | Same as national |
| SSI - Colon Surgery: Number of Procedures | 181 | Same as national |
| SSI - Colon Surgery: Predicted Cases | 4.619 | Same as national |
| SSI - Colon Surgery: Observed Cases | 3 | Same as national |
| SSI - Colon Surgery | 0.649 | Same as national |
| SSI - Abdominal Hysterectomy: Lower Confidence Limit | 0.612 | Same as national |
| SSI - Abdominal Hysterectomy: Upper Confidence Limit | 4.645 | Same as national |
| SSI - Abdominal Hysterectomy: Number of Procedures | 257 | Same as national |
| SSI - Abdominal Hysterectomy: Predicted Cases | 2.077 | Same as national |
| SSI - Abdominal Hysterectomy: Observed Cases | 4 | Same as national |
| SSI - Abdominal Hysterectomy | 1.926 | Same as national |
| MRSA Bacteremia: Lower Confidence Limit | 0.194 | Same as national |
| MRSA Bacteremia: Upper Confidence Limit | 2.072 | Same as national |
| MRSA Bacteremia: Patient Days | 78306 | Same as national |
| MRSA Bacteremia: Predicted Cases | 3.941 | Same as national |
| MRSA Bacteremia: Observed Cases | 3 | Same as national |
| MRSA Bacteremia | 0.761 | Same as national |
| Clostridium Difficile (C.Diff): Lower Confidence Limit | 0.058 | Better than national |
| Clostridium Difficile (C.Diff): Upper Confidence Limit | 0.353 | Better than national |
| Clostridium Difficile (C.Diff): Patient Days | 70462 | Better than national |
| Clostridium Difficile (C.Diff): Predicted Cases | 31.438 | Better than national |
| Clostridium Difficile (C.Diff): Observed Cases | 5 | Better than national |
| Clostridium Difficile (C.Diff) | 0.159 | 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 | 4.3 | Same as national | 1197 |
| Death rate for heart attack patients | 14.3 | Same as national | 108 |
| Death rate for CABG surgery patients | — | Not available | — |
| Death rate for COPD patients | 8.2 | Same as national | 79 |
| Death rate for heart failure patients | 12.6 | Same as national | 324 |
| Death rate for pneumonia patients | 15.8 | Same as national | 452 |
| Death rate for stroke patients | 14.7 | Same as national | 109 |
| Pressure ulcer rate | 0.13 | Same as national | 4088 |
| Death rate among surgical inpatients with serious treatable complications | 184.23 | Same as national | 78 |
| Iatrogenic pneumothorax rate | 0.21 | Same as national | 4826 |
| In-hospital fall-associated fracture rate | 0.27 | Same as national | 4555 |
| Postoperative hemorrhage or hematoma rate | 2.70 | Same as national | 1084 |
| Postoperative acute kidney injury requiring dialysis rate | 1.61 | Same as national | 136 |
| Postoperative respiratory failure rate | 7.39 | Same as national | 142 |
| Perioperative pulmonary embolism or deep vein thrombosis rate | 4.73 | Same as national | 1133 |
| Postoperative sepsis rate | 5.53 | Same as national | 112 |
| Postoperative wound dehiscence rate | 1.65 | Same as national | 230 |
| Abdominopelvic accidental puncture or laceration rate | 0.83 | Same as national | 902 |
| CMS Medicare PSI 90: Patient safety and adverse events composite | 0.86 | 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 | 86 |
| Hospital return days for heart failure patients | 6.8 | Not available | 371 |
| Hospital return days for pneumonia patients | -21.2 | Not available | 466 |
| Hybrid Hospital-Wide All-Cause Readmission Measure (HWR) | 15.2 | Same as national | 1942 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies) | 13.2 | Same as national | 597 |
| 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 | 1.1 | Same as national | 290 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission Rate | 13.8 | Same as national | 86 |
| Rate of readmission for CABG | — | Not available | — |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patients | 17.3 | Same as national | 84 |
| Heart failure (HF) 30-Day Readmission Rate | 19.8 | Same as national | 371 |
| Rate of readmission after hip/knee replacement | — | Not available | — |
| Pneumonia (PN) 30-Day Readmission Rate | 14.1 | Same as national | 466 |
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 | 654 |
| Doctor communication - star rating | 3 | 654 |
| Communication about medicines - star rating | 2 | 654 |
| Discharge information - star rating | 3 | 654 |
| Cleanliness - star rating | 4 | 654 |
| Quietness - star rating | 4 | 654 |
| Overall hospital rating - star rating | 3 | 654 |
| Recommend hospital - star rating | 4 | 654 |
| Summary star rating | 3 | 654 |
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 | 8 | 21628 |
| Hospital Harm - Severe Hypoglycemia | — | — |
| Hospital Harm - Opioid Related Adverse Events | — | — |
| Healthcare workers given influenza vaccination | 91 | 4572 |
| 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 | 250 | 420 |
| 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 | 246 | 401 |
| 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 | 317 | 12 |
| Left before being seen | 1 | 74116 |
| Head CT results | 52 | 29 |
| Endoscopy/polyp surveillance: appropriate follow-up interval for normal colonoscopy in average risk patients | 83 | 24 |
| Improvement in Patient's Visual Function within 90 Days Following Cataract Surgery | — | — |
| ST-Segment Elevation Myocardial Infarction (STEMI) | — | — |
| Safe Use of Opioids - Concurrent Prescribing | 9 | 2683 |
| Appropriate care for severe sepsis and septic shock | 62 | 158 |
| Septic Shock 3-Hour Bundle | 65 | 43 |
| Septic Shock 6-Hour Bundle | 80 | 20 |
| Severe Sepsis 3-Hour Bundle | 77 | 158 |
| Severe Sepsis 6-Hour Bundle | 94 | 80 |
| Discharged on Antithrombotic Therapy | 95 | 251 |
| Anticoagulation Therapy for Atrial Fibrillation/Flutter | — | — |
| Antithrombotic Therapy by End of Hospital Day 2 | — | — |
| Venous Thromboembolism Prophylaxis | 89 | 8230 |
| Intensive Care Unit Venous Thromboembolism Prophylaxis | — | — |
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 Memorial Hermann Katy Hospital rated?
- Memorial Hermann Katy Hospital has a 3 out of 5 CMS overall star rating as of the latest CMS release.
- Does Memorial Hermann Katy Hospital have emergency services?
- Yes. Memorial Hermann Katy Hospital operates a 24/7 emergency department.
- Where is Memorial Hermann Katy Hospital located?
- Memorial Hermann Katy Hospital is located at 23900 Katy Freeway, Katy, TX 77494.
- What type of hospital is Memorial Hermann Katy Hospital?
- Memorial Hermann Katy Hospital 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.