Prosser Memorial Hospital in Prosser, WA
In a medical emergency, call 911. This page is for information only.
About Prosser Memorial Hospital
Prosser Memorial Hospital is a critical access hospital in Prosser, Benton County, Washington. It reports its ownership to Medicare as public (hospital district or authority). 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 25 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 Prosser Memorial Hospital, about 1.5 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
- Clostridioides difficile (C. diff) infectionsNo different · SIR 0.00
76% 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 recommend85%
- Rated the hospital 9 or 1081%
- Completed surveys269
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
46.20897, -119.76365
Nearby hospitals
- Prosser Memorial HospitalProsser, WAHospital1.5 mi
- Astria Sunnyside Hospital1016 Tacoma Avenue, Sunnyside, WA · Level IV traumaCritical access hospital14 mi
- Kadlec Regional Medical Center888 Swift Blvd, Richland, WA · Level III traumaAcute care hospital24 mi
- Lourdes Counseling Center1175 Carondelet Drive, Richland, WAPsychiatric hospital24 mi
Frequently asked questions
Where is Prosser Memorial Hospital located?
Prosser Memorial Hospital is at 723 Memorial Street, Prosser, WA 99350 in Benton County.
Does Prosser Memorial Hospital have an emergency room?
Yes. Prosser Memorial Hospital reports emergency services to Medicare, and patients spent a median of 112 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Prosser Memorial Hospital?
Prosser Memorial 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 Prosser Memorial Hospital 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 January 2024). Trauma designations are renewed periodically, so confirm with the Washington 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 Prosser Memorial Hospital?
The main phone number on record with Medicare is (509) 786-2222.
Would patients recommend Prosser Memorial Hospital?
In the most recent HCAHPS patient survey (269 completed surveys), 85% of patients said they would definitely recommend the hospital, and 81% rated it 9 or 10 out of 10.
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