Allen Hospital in Waterloo, IA
In a medical emergency, call 911. This page is for information only.
About Allen Hospital
Allen Hospital is an acute care hospital in Waterloo, Black Hawk County, Iowa. It reports its ownership to Medicare as nonprofit (private). It provides emergency services. It is listed as a Level III trauma center. Its CMS Overall Hospital Quality Star Rating is 3 out of 5. It has 228 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 Mercyone Waterloo Medical Center, about 4.3 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 0.00
- Catheter-associated urinary tract infections (CAUTI)No different · SIR 0.54
- Clostridioides difficile (C. diff) infectionsBetter than national · SIR 0.23
- Central line bloodstream infections (CLABSI)No different · SIR 1.16
- Surgical site infections after colon surgeryNo different · SIR 1.76
62% 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 recommend70%
- Rated the hospital 9 or 1071%
- Completed surveys491
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
42.52614, -92.33772
Nearby hospitals
- Mercyone Waterloo Medical Center3421 West Ninth Street, Waterloo, IA · Level III traumaAcute care hospital4.3 mi
- Sartori Memorial Hospital, Inc515 College Street, Cedar Falls, IA · Level IV traumaAcute care hospital6.0 mi
- Waverly Health Center312 9th Street SW, Waverly, IA · Level IV traumaCritical access hospital16 mi
- Mental Health Institute2277 Iowa Avenue, Independence, IAPsychiatric hospital22 mi
- Buchanan County Health Center1600 First St East, Independence, IA · Emergency roomCritical access hospital22 mi
- Mercyone Oelwein Medical Center201 Eighth Avenue SE, Oelwein, IA · Level IV traumaCritical access hospital24 mi
- Grundy County Memorial Hospital201 East J Avenue, Grundy Center, IA · Level IV traumaCritical access hospital25 mi
Frequently asked questions
Where is Allen Hospital located?
Allen Hospital is at 1825 Logan Avenue, Waterloo, IA 50703 in Black Hawk County.
Does Allen Hospital have an emergency room?
Yes. Allen Hospital reports emergency services to Medicare, and patients spent a median of 163 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Allen Hospital?
Allen Hospital 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 Allen Hospital a trauma center?
Yes. It is listed as a Level III 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 Iowa 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 Allen Hospital?
The main phone number on record with Medicare is (319) 235-3941.
Would patients recommend Allen Hospital?
In the most recent HCAHPS patient survey (491 completed surveys), 70% of patients said they would definitely recommend the hospital, and 71% rated it 9 or 10 out of 10.
Related guides
- ER Wait Times ExplainedHow triage and the Emergency Severity Index decide who is seen first, why emergency rooms get crowded and where to find timing data.
- What Is a Trauma Center? Levels I to V ExplainedWhat each trauma center level provides, who designates and verifies them, pediatric trauma centers and how trauma systems route patients.
- What Is a Teaching Hospital?How residency training works, who is on the care team, the benefits and trade-offs for patients, and your rights at an academic medical center.
- How to Read a Hospital BillItemized bills, EOBs and billing codes explained, plus No Surprises Act protections and a step-by-step way to check for errors.