Medical & First Aid
Emergency medical services are provided by rangers on duty. Call 911 in case of an emergency.
Mammoth Clinic
Open Year Round
8:30 am to 5:00 pm
Monday - Friday
(Closed Thanksgiving and Christmas)
Phone: 307-344-7965
Old Faithful Clinic
Open Summer Months Only
7:00 am to 7:00 pm
Phone: 307-545-7325
Lake Medical Clinic
Open Summer Months Only
8:30 am to 5:00 pm
Phone: 307-242-7241