Tri-State Memorial Hospital in Clarkston, WA
In a medical emergency, call 911. This page is for information only.
About Tri-State Memorial Hospital
Tri-State Memorial Hospital is a critical access hospital in Clarkston, Asotin County, Washington. It reports its ownership to Medicare as nonprofit (private). It provides emergency services. It is listed as a Level IV trauma center. Its CMS Overall Hospital Quality Star Rating is 4 out of 5. It has 25 licensed beds, according to state license data via HIFLD. The nearest other listed hospital is St Joseph Regional Medical Center, about 1.7 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.
What patients say
- Patient survey star rating
- Would definitely recommend87%
- Rated the hospital 9 or 1085%
- Completed surveys219
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
46.40357, -117.05444
Nearby hospitals
- St Joseph Regional Medical Center415 Sixth Street, Lewiston, ID · Level III traumaAcute care hospital1.7 mi
- Pullman Regional Hospital835 S Bishop Blvd, Pullman, WA · Level IV traumaCritical access hospital22 mi
- Gritman Medical Center700 South Main Street, Moscow, ID · Level IV traumaCritical access hospital23 mi
Frequently asked questions
Where is Tri-State Memorial Hospital located?
Tri-State Memorial Hospital is at 1221 Highland Avenue, Clarkston, WA 99403 in Asotin County.
Does Tri-State Memorial Hospital have an emergency room?
Yes. Tri-State Memorial Hospital reports emergency services to Medicare, and patients spent a median of 143 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Tri-State Memorial Hospital?
Tri-State Memorial Hospital has a CMS Overall Hospital Quality Star Rating of 4 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 Tri-State 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 Tri-State Memorial Hospital?
The main phone number on record with Medicare is (509) 758-5511.
Would patients recommend Tri-State Memorial Hospital?
In the most recent HCAHPS patient survey (219 completed surveys), 87% of patients said they would definitely recommend the hospital, and 85% rated it 9 or 10 out of 10.
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