Last updated: March 21, 2025
Place
Mammoth Medical Clinic

NPS / Jacob W. Frank
First Aid/Medical Care Available, Wheelchair Accessible
Emergency? Dial 911
Equipped for most medical emergencies as well as for routine care. Services include injury and illness treatment, x-rays, and some lab and pharmacy services. Appointments requested.
Clinic staff can stabilize patients and arrange for appropriate transfer to a hospital outside the park for in-patient care or advanced services. Call 307-344-7965 for more information or to schedule an appointment.
Emergency medical services are provided by rangers on duty.
Open Daily
- May 27–September 28
- 8:30 am–5 pm
Open Weekdays
- September 29–May 23
- Monday–Thursday: 8:30 am–5 pm
- Friday: 8:30 am–1 pm
2025 Holiday Closures
Memorial Day
Veterans Day
Thanksgiving
Christmas
New Years Day
Martin Luther King Day
Presidents Day
Accessibility
Wheelchair access is at rear of the building. No wheelchair-accessible restrooms. Wheelchairs can be rented for $15 per day, with a $300 deposit.