Last updated: February 11, 2026
Place
Mammoth Medical Clinic
NPS / Jacob W. Frank
First Aid/Medical Care Available, Wheelchair Accessible
Emergency? Dial 911
The medical clinic is equipped to handle most medical emergencies and routine care, including treatment of injuries and illness, X-rays, and limited lab and pharmacy services. Staff can also arrange transfer to a hospital outside the park for advanced or inpatient care. No appointment needed. Call 307-344-7965 for more information or to make an appointment.
Operating Dates
Open daily, year-round. Closed on U.S. federal holidays. See the website for current season dates. Hours and dates are subject to change.Accessibility
Wheelchair access is at rear of the building. No accessible restrooms. Wheelchairs can be rented for $15 per day, with a $300 deposit.