#3. Hospitals near Mammoth, WY Bozeman Health Deaconess Hospital, MT 51 miles Overall hospital rating: 4.0
#13. Hospitals near Mammoth, WY Barrett Hospital & Healthcare, MT 97 miles Overall hospital rating: 4.0
#18. Hospitals near Mammoth, WY North Big Horn Hospital District, WY 113 miles Overall hospital rating: 4.0