St. Mary's Hospital in Tucson, AZ
In a medical emergency, call 911. This page is for information only.
About St. Mary's Hospital
St. Mary's Hospital is an acute care hospital in Tucson, Pima County, Arizona. It reports its ownership to Medicare as nonprofit (private). It provides emergency services. Its CMS Overall Hospital Quality Star Rating is 2 out of 5. It has 400 licensed beds, according to state license data via HIFLD. CMS also lists an inpatient rehabilitation unit inside the hospital. The nearest other listed hospital is Banner - University Medical Center Tucson Campus, about 3.4 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 1.08
- Catheter-associated urinary tract infections (CAUTI)No different · SIR 0.29
- Clostridioides difficile (C. diff) infectionsBetter than national · SIR 0.30
- Central line bloodstream infections (CLABSI)No different · SIR 0.66
- Surgical site infections after colon surgeryNo different · SIR 2.77
39% 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 recommend53%
- Rated the hospital 9 or 1055%
- Completed surveys1,173
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
32.22745, -111.00013
Nearby hospitals
- Banner - University Medical Center Tucson Campus1625 North Campbell Avenue, Tucson, AZ · Emergency roomAcute care hospital3.4 mi
- VA S. Arizona Healthcare System3601 South Sixth Avenue, Tucson, AZ · Emergency roomVA medical center3.7 mi
- Banner-University Medical Center South Campus2800 East Ajo Way, Tucson, AZ · Level IV traumaAcute care hospital5.3 mi
- Tucson Emergency Room And Hospital4575 East Broadway Boulevard, Tucson, AZHospital6.2 mi
- Sonora Behavioral Health Hospital6050 North Corona Road, Tucson, AZ · Emergency roomPsychiatric hospital6.3 mi
- Encompass Health Rehabilitation Hospital of Northw1921 West Hospital Drive, Tucson, AZRehabilitation hospital6.4 mi
- Northwest Medical Center6200 North La Cholla Boulevard, Tucson, AZ · Emergency roomAcute care hospital6.4 mi
- Select Specialty Hospital-Tucson Northwest2025 W Orange Grove Road, Tucson, AZLong-term care hospital6.6 mi
- Encompass Health Rehabilitation Institute of Tucso2650 North Wyatt Drive, Tucson, AZRehabilitation hospital7.1 mi
- Tucson Medical Center5301 East Grant Road, Tucson, AZ · Emergency roomAcute care hospital7.2 mi
Frequently asked questions
Where is St. Mary's Hospital located?
St. Mary's Hospital is at 1601 West St Mary'S Road, Tucson, AZ 85745 in Pima County.
Does St. Mary's Hospital have an emergency room?
Yes. St. Mary's Hospital reports emergency services to Medicare, and patients spent a median of 176 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of St. Mary's Hospital?
St. Mary's Hospital has a CMS Overall Hospital Quality Star Rating of 2 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 St. Mary's Hospital a trauma center?
We have no trauma center designation on record for St. Mary's Hospital. Hospitals without one still treat injuries in their emergency department and transfer patients who need a trauma center. Check the Arizona trauma program for the current list.
What is the phone number of St. Mary's Hospital?
The main phone number on record with Medicare is (520) 872-3000.
Would patients recommend St. Mary's Hospital?
In the most recent HCAHPS patient survey (1,173 completed surveys), 53% of patients said they would definitely recommend the hospital, and 55% rated it 9 or 10 out of 10.
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