Saint Alphonsus Regional Medical Center in Boise, ID
In a medical emergency, call 911. This page is for information only.
About Saint Alphonsus Regional Medical Center
Saint Alphonsus Regional Medical Center is an acute care hospital in Boise, Ada County, Idaho. It reports its ownership to Medicare as nonprofit (church-affiliated). It provides emergency services. It is listed as a Level II trauma center. Its CMS Overall Hospital Quality Star Rating is 3 out of 5. It has 362 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 Saint Alphonsus Regional Rehabilitation Hospital, about 0.2 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 0.60
- Catheter-associated urinary tract infections (CAUTI)No different · SIR 0.69
- Clostridioides difficile (C. diff) infectionsBetter than national · SIR 0.69
- Central line bloodstream infections (CLABSI)No different · SIR 0.78
- Surgical site infections after colon surgeryNo different · SIR 0.90
67% 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 recommend77%
- Rated the hospital 9 or 1073%
- Completed surveys970
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
43.61380, -116.25371
Nearby hospitals
- Saint Alphonsus Regional Rehabilitation Hospital711 North Curtis Road, Boise, IDRehabilitation hospital0.2 mi
- Intermountain Hospital303 North Allumbaugh Street, Boise, IDPsychiatric hospital0.7 mi
- Vibra Hospital of Boise6651 W Franklin Road, Boise, IDLong-term care hospital0.9 mi
- Lifeways Hospital8050 West Northview Street, Boise, IDPsychiatric hospital1.7 mi
- Treasure Valley Hospital8800 West Emerald Street, Boise, IDAcute care hospital1.9 mi
- Boise VA Medical Center500 W. Fort Street, Boise, ID · Emergency roomVA medical center3.0 mi
- St Luke's Regional Medical Center190 East Bannock Street, Boise, ID · Level III traumaAcute care hospital3.1 mi
- Saint Lukes Meridian Medical Center520 South Eagle Road, Meridian, ID · Emergency roomHospital5.0 mi
- Cottonwood Creek Behavioral Hospital2131 s bonito way, Meridian, IDPsychiatric hospital5.5 mi
- Saint Alphonsus Medical Center - Nampa4300 E Flamingo Ave, Nampa, ID · Level IV traumaAcute care hospital13 mi
Frequently asked questions
Where is Saint Alphonsus Regional Medical Center located?
Saint Alphonsus Regional Medical Center is at 1055 North Curtis Road, Boise, ID 83706 in Ada County.
Does Saint Alphonsus Regional Medical Center have an emergency room?
Yes. Saint Alphonsus Regional Medical Center reports emergency services to Medicare, and patients spent a median of 154 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Saint Alphonsus Regional Medical Center?
Saint Alphonsus Regional Medical Center 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 Saint Alphonsus Regional Medical Center a trauma center?
Yes. It is listed as a Level II trauma center in the HIFLD hospitals data, which is compiled from state trauma registries (source date February 2024). Trauma designations are renewed periodically, so confirm with the Idaho 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 Saint Alphonsus Regional Medical Center?
The main phone number on record with Medicare is (208) 367-2121.
Would patients recommend Saint Alphonsus Regional Medical Center?
In the most recent HCAHPS patient survey (970 completed surveys), 77% of patients said they would definitely recommend the hospital, and 73% rated it 9 or 10 out of 10.
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