Star Valley Medical Center in Afton, WY
Also known as Star Valley Health Hospital
In a medical emergency, call 911. This page is for information only.
About Star Valley Medical Center
Star Valley Medical Center is a critical access hospital in Afton, Lincoln County, Wyoming. It reports its ownership to Medicare as public (hospital district or authority). It provides emergency services. It is listed as a Community Trauma Hospital under its state trauma system. It does not currently have a CMS Overall Star Rating, which usually means it reports too few measures to be rated. It has 22 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
64% 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. Source: CMS Healthcare-Associated Infections and Timely and Effective Care.
What patients say
- Would definitely recommend67%
- Rated the hospital 9 or 1072%
- Completed surveys93
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
42.71744, -110.93136
Frequently asked questions
Where is Star Valley Medical Center located?
Star Valley Medical Center is at 901 Adams Street, Afton, WY 83110 in Lincoln County.
Does Star Valley Medical Center have an emergency room?
Yes. Star Valley Medical Center reports emergency services to Medicare, and patients spent a median of 111 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Star Valley Medical Center?
Star Valley Medical Center does not have a current CMS Overall Star Rating. CMS only rates hospitals that report enough measures; critical access, psychiatric, VA and many small hospitals are often unrated, which says nothing about their quality.
Is Star Valley Medical Center a trauma center?
Yes. It is listed as a Community Trauma Hospital (state designation) 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 Wyoming 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 Star Valley Medical Center?
The main phone number on record with Medicare is (307) 885-5800.
Would patients recommend Star Valley Medical Center?
In the most recent HCAHPS patient survey (93 completed surveys), 67% of patients said they would definitely recommend the hospital, and 72% rated it 9 or 10 out of 10.
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