CHI St Alexius Health Williston in Williston, ND
Also known as CHI St. Alexius Health - Williston Medical Center, Mercy Medical Center
In a medical emergency, call 911. This page is for information only.
About CHI St Alexius Health Williston
CHI St Alexius Health Williston is a critical access hospital in Williston, Williams County, North Dakota. It reports its ownership to Medicare as nonprofit (church-affiliated). It provides emergency services. Its CMS Overall Hospital Quality Star Rating is 3 out of 5. It has 25 licensed beds, according to state license data via HIFLD. It meets the CMS Birthing-Friendly designation criteria for maternity care.
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
- Clostridioides difficile (C. diff) infectionsNo different · SIR 0.00
61% 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 recommend49%
- Rated the hospital 9 or 1056%
- Completed surveys138
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
48.15507, -103.64550
Frequently asked questions
Where is CHI St Alexius Health Williston located?
CHI St Alexius Health Williston is at 1301 15th Ave W, Williston, ND 58801 in Williams County.
Does CHI St Alexius Health Williston have an emergency room?
Yes. CHI St Alexius Health Williston reports emergency services to Medicare, and patients spent a median of 156 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of CHI St Alexius Health Williston?
CHI St Alexius Health Williston 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 CHI St Alexius Health Williston a trauma center?
We have no trauma center designation on record for CHI St Alexius Health Williston. Hospitals without one still treat injuries in their emergency department and transfer patients who need a trauma center. Check the North Dakota trauma program for the current list.
What is the phone number of CHI St Alexius Health Williston?
The main phone number on record with Medicare is (701) 774-7400.
Would patients recommend CHI St Alexius Health Williston?
In the most recent HCAHPS patient survey (138 completed surveys), 49% of patients said they would definitely recommend the hospital, and 56% rated it 9 or 10 out of 10.
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