Ascension Columbia St Marys Hospital Milwaukee in Milwaukee, WI
In a medical emergency, call 911. This page is for information only.
About Ascension Columbia St Marys Hospital Milwaukee
Ascension Columbia St Marys Hospital Milwaukee is an acute care hospital in Milwaukee, Milwaukee County, Wisconsin. It reports its ownership to Medicare as nonprofit (church-affiliated). It provides emergency services. It is listed as a Level IV trauma center. Its CMS Overall Hospital Quality Star Rating is 3 out of 5. It has 432 licensed beds, according to state license data via HIFLD. It meets the CMS Birthing-Friendly designation criteria for maternity care. The nearest other listed hospital is Mental Health Emergency Center, Inc, about 2.5 mi away.
Quality ratings
How this hospital compares with the national rate on each measure group:
Source: Centers for Medicare & Medicaid Services, Hospital General Information. How star ratings work.
Emergency room times
Lower times are better. Reporting period ending September 2025. Source: CMS Timely and Effective Care. What these numbers mean.
Infections and sepsis care
- MRSA bloodstream infectionsNo different · SIR 0.34
- Catheter-associated urinary tract infections (CAUTI)Better than national · SIR 0.40
- Clostridioides difficile (C. diff) infectionsBetter than national · SIR 0.51
- Central line bloodstream infections (CLABSI)Better than national · SIR 0.29
- Surgical site infections after colon surgeryNo different · SIR 1.17
65% of patients with severe sepsis or septic shock received all the recommended early care steps (SEP-1). Higher is better.
SIR is the standardized infection ratio: below 1 means fewer infections than predicted for a hospital like this one. Period ending September 2025. Source: CMS Healthcare-Associated Infections and Timely and Effective Care.
What patients say
- Patient survey star rating
- Would definitely recommend62%
- Rated the hospital 9 or 1063%
- Completed surveys473
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
43.06062, -87.87999
Nearby hospitals
- Mental Health Emergency Center, Inc1525 N 12th St, Milwaukee, WIPsychiatric hospital2.5 mi
- Aurora Sinai Medical Center945 North 12th Street, Milwaukee, WI · Level IV traumaHospital2.7 mi
- Orthopaedic Hospital of Wisconsin475 W River Woods Pkwy, Glendale, WIAcute care hospital3.1 mi
- Ascension Se Wisconsin Hospital5000 W Chambers St, Milwaukee, WI · Level IV traumaAcute care hospital4.9 mi
- Milwaukee VA Medical Center5000 W. National Avenue, Milwaukee, WI · Emergency roomVA medical center5.4 mi
- Ascension St Francis Hospital3237 S 16th St, Milwaukee, WI · Level IV traumaAcute care hospital5.8 mi
- Aurora St Lukes Medical Center2900 W Oklahoma Ave, Milwaukee, WI · Emergency roomAcute care hospital6.1 mi
- Aurora Psychiatric Hospital1220 Dewey Ave, Wauwatosa, WIPsychiatric hospital6.6 mi
- Granite Hills Hospital1706 S 68th St, West Allis, WI · Emergency roomPsychiatric hospital6.8 mi
- Childrens Hospital of Wisconsin9000 W Wisconsin Ave, Milwaukee, WI · Level I traumaChildren's hospital7.3 mi
Frequently asked questions
Where is Ascension Columbia St Marys Hospital Milwaukee located?
Ascension Columbia St Marys Hospital Milwaukee is at 2323 N Lake Dr, Milwaukee, WI 53211 in Milwaukee County.
Does Ascension Columbia St Marys Hospital Milwaukee have an emergency room?
Yes. Ascension Columbia St Marys Hospital Milwaukee reports emergency services to Medicare, and patients spent a median of 167 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Ascension Columbia St Marys Hospital Milwaukee?
Ascension Columbia St Marys Hospital Milwaukee has a CMS Overall Hospital Quality Star Rating of 3 out of 5. The rating combines measures of mortality, safety of care, readmission, patient experience and timely and effective care, compared with hospitals nationwide.
Is Ascension Columbia St Marys Hospital Milwaukee a trauma center?
Yes. It is listed as a Level IV trauma center in the HIFLD hospitals data, which is compiled from state trauma registries (source date April 2024). Trauma designations are renewed periodically, so confirm with the Wisconsin EMS or trauma program. In an emergency, call 911: paramedics take seriously injured patients to the right trauma center.
What is the phone number of Ascension Columbia St Marys Hospital Milwaukee?
The main phone number on record with Medicare is (414) 585-1374.
Would patients recommend Ascension Columbia St Marys Hospital Milwaukee?
In the most recent HCAHPS patient survey (473 completed surveys), 62% of patients said they would definitely recommend the hospital, and 63% rated it 9 or 10 out of 10.
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