Hospital rankings

Hospitals in Wyoming with the lowest left ED without being seen

20 Wyoming hospitals ranked by left ED without being seen in the 2026 Medicare (CMS) data. Leading: St Johns Medical Center, North Big Horn Hospital District, Powell Valley Hospital. Filter by type, ownership and size, choose the measures you care about, and sort by any column.

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20 hospitals ranked in Wyoming by left ed without being seen; 11 more match but have no reported value.

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Hospital rankings, page 1 of 1. Columns can be sorted.
#	Hospital	Left ED without being seenlower is better	Overall star ratinghigher is better	Patient survey star ratinghigher is better	Heart attack death ratelower is better	Heart failure death ratelower is better	Hospital-wide readmission ratelower is better · 2025 data	Serious complicationslower is better	Time in emergency departmentlower is better	Medicare spending per patientlower is better	Total beds	Compare
	National average	2.0%		3.3	11.9%	11.1%	15.0%	1.00	162 min	1.00
T1	St Johns Medical CenterJackson, WY · Acute care	0.0%, 88th percentile	5, 94th percentile	5, 97th percentile	—	10.0%, 70th percentile	14.0%, 93rd percentile	1.20, 10th percentile	109 min, 83rd percentile	0.81, 98th percentile	53	Compare St Johns Medical Center
T1	North Big Horn Hospital DistrictLovell, WY · Critical access	0.0%, 88th percentile	4, 73rd percentile	—	—	11.9%, 32nd percentile	14.4%, 83rd percentile	—	58 min, 100th percentile	—	18	Compare North Big Horn Hospital District
T1	Powell Valley HospitalPowell, WY · Critical access	0.0%, 88th percentile	4, 73rd percentile	5, 97th percentile	—	—	14.9%, 54th percentile	—	83 min, 97th percentile	—	25	Compare Powell Valley Hospital
T1	Washakie Medical CenterWorland, WY · Critical access	0.0%, 88th percentile	4, 73rd percentile	—	—	12.3%, 25th percentile	15.0%, 46th percentile	—	120 min, 74th percentile	—	25	Compare Washakie Medical Center
T1	Hot Springs County Memorial HospitalThermopolis, WY · Critical access	0.0%, 88th percentile	3, 43rd percentile	—	—	14.4%, 6th percentile	15.1%, 40th percentile	—	148 min, 50th percentile	—	25	Compare Hot Springs County Memorial Hospital
T1	Ivinson Memorial HospitalLaramie, WY · Acute care	0.0%, 88th percentile	3, 43rd percentile	4, 76th percentile	—	11.0%, 50th percentile	14.5%, 79th percentile	0.91, 70th percentile	142 min, 55th percentile	0.97, 61st percentile	99	Compare Ivinson Memorial Hospital
T1	Sheridan Memorial HospitalSheridan, WY · Acute care	0.0%, 88th percentile	3, 43rd percentile	3, 39th percentile	11.2%, 71st percentile	13.9%, 8th percentile	13.9%, 94th percentile	1.07, 23rd percentile	114 min, 79th percentile	0.92, 83rd percentile	88	Compare Sheridan Memorial Hospital
T1	Community HospitalTorrington, WY · Critical access	0.0%, 88th percentile	2, 17th percentile	4, 76th percentile	—	14.4%, 6th percentile	14.8%, 61st percentile	—	120 min, 74th percentile	—	25	Compare Community Hospital
T1	Evanston Regional HospitalEvanston, WY · Critical access	0.0%, 88th percentile	—	—	—	—	—	—	110 min, 82nd percentile	—	25	Compare Evanston Regional Hospital
T1	Memorial Hospital Of Carbon CountyRawlins, WY · Critical access	0.0%, 88th percentile	—	—	—	—	14.9%, 54th percentile	—	103 min, 88th percentile	—	25	Compare Memorial Hospital Of Carbon County
T1	South Big Horn County HospitalBasin, WY · Critical access	0.0%, 88th percentile	—	—	—	—	15.0%, 46th percentile	—	80 min, 98th percentile	—	10	Compare South Big Horn County Hospital
T1	South Lincoln Medical Center - CAHKemmerer, WY · Critical access	0.0%, 88th percentile	—	—	—	—	15.2%, 34th percentile	—	111 min, 82nd percentile	—	16	Compare South Lincoln Medical Center - CAH
T1	Weston County Health ServicesNewcastle, WY · Critical access	0.0%, 88th percentile	—	—	—	—	15.4%, 23rd percentile	—	—	—	21	Compare Weston County Health Services
T14	Memorial Hospital Of Converse CountyDouglas, WY · Critical access	1.0%, 60th percentile	4, 73rd percentile	4, 76th percentile	—	—	14.8%, 61st percentile	—	114 min, 79th percentile	—	25	Compare Memorial Hospital Of Converse County
T14	Platte County HospitalWheatland, WY · Critical access	1.0%, 60th percentile	4, 73rd percentile	—	—	9.6%, 77th percentile	14.3%, 86th percentile	—	123 min, 71st percentile	—	25	Compare Platte County Hospital
T14	Campbell County HealthGillette, WY · Acute care	1.0%, 60th percentile	3, 43rd percentile	4, 76th percentile	10.8%, 83rd percentile	14.4%, 6th percentile	14.1%, 91st percentile	1.15, 14th percentile	180 min, 29th percentile	0.93, 80th percentile	119	Compare Campbell County Health
T14	Cheyenne Regional Medical CenterCheyenne, WY · Acute care	1.0%, 60th percentile	3, 43rd percentile	3, 39th percentile	10.5%, 89th percentile	10.8%, 54th percentile	14.5%, 79th percentile	0.92, 67th percentile	191 min, 24th percentile	0.99, 50th percentile	201	Compare Cheyenne Regional Medical Center
T14	Memorial Hospital Sweetwater CountyRock Springs, WY · Critical access	1.0%, 60th percentile	—	4, 76th percentile	—	10.0%, 70th percentile	—	—	150 min, 49th percentile	—	25	Compare Memorial Hospital Sweetwater County
T19	Banner Wyoming Medical CenterCasper, WY · Acute care	2.0%, 32nd percentile	2, 17th percentile	2, 10th percentile	13.3%, 10th percentile	15.5%, 2nd percentile	14.8%, 61st percentile	1.21, 10th percentile	190 min, 24th percentile	1.04, 23rd percentile	217	Compare Banner Wyoming Medical Center
T19	Sagewest Health CareRiverton, WY · Acute care	2.0%, 32nd percentile	2, 17th percentile	2, 10th percentile	—	12.6%, 20th percentile	15.5%, 19th percentile	0.96, 51st percentile	145 min, 52nd percentile	0.95, 71st percentile	146	Compare Sagewest Health Care

About these rankings

Rankings use the 2026 release of CMS Care Compare data. Hospitals share a rank (“T”) when their values are equal, and only hospitals with a reported value for the sorted measure are ranked. Shading compares each value with every hospital in the country, so it doesn’t change with your filters. Small differences are often not statistically meaningful; use the methodology and glossary for context.

Left ED without being seen: Percentage of patients who left the emergency department before being seen.
Overall star rating: CMS overall hospital quality star rating (1-5).
Patient survey star rating: HCAHPS summary star rating (1-5).
Heart attack death rate: 30-day death rate for heart attack patients.
Heart failure death rate: 30-day death rate for heart failure patients.
Hospital-wide readmission rate: Rate of unplanned readmission within 30 days, all conditions. From 2025 CMS reports the Hybrid Hospital-Wide Readmission measure (claims plus EHR data), which replaced the claims-only measure; values are close but not strictly comparable across the change. CMS suppressed it for 2026.. Latest available: 2025 release.
Serious complications: Patient safety and adverse events composite (PSI 90; 1.0 = national value).
Time in emergency department: Median time patients spent in the emergency department before leaving.
Medicare spending per patient: Medicare spending per beneficiary episode relative to the national median (1.0 = national median).
Total beds: Total beds reported to CMS (Provider of Services file).