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Visit Mono County
Address
85 SIERRA PARK ROAD PO BOX 660
Mammoth Lakes, CA 93546
Phone
Government - Hospital District or Authority
HoursOpen 24/7 Websitemammothhospital.org
Facilities & services
17
total beds
2
operating rooms
Critical access
facility type
Emergency & critical care
Dedicated ERICU
Imaging
CTMRIDiagnostic radiology
Surgery
Inpatient surgeryAnesthesiology
Other services
ChemotherapyPharmacy
Accessibility & amenities
Wheelchair-accessible entrance Wheelchair-accessible parking Wheelchair-accessible restroom Public restrooms Paid parking lot Apple Pay / Google Pay
ER performance
Typical ER visit length
Median time from arrival to leaving.
1 hr 54 min of 421 patients
Compared to other US hospitals
Patient safety
Rates of infections, clots, falls and surgical complications during a stay.
- About average
Avoiding readmission
Patients returning within 30 days for the same condition.
- About average
What patients say
Overall HCAHPS rating
Hospital rating
85% rated 9 or 10 of 10
85%
Would recommend
88% would definitely recommend
88%
Nurse communication
91% said nurses always communicated well
91%
Doctor communication
89% said doctors always communicated well
89%
Cleanliness
78% said the room was always clean
78%
Quietness at night
68% said the area was always quiet at night
68%
Clinicians on staff
65
total clinicians
6
ER physicians
By specialty
Orthopedic surgery 8
Internal medicine 7
Anesthesiology 5
Radiology 5
General surgery 4
Neurology 2
Obstetrics / gynecology 2
Cardiology 1
Interventional radiology 1
Pulmonology 1
Frequently asked questions
How long is the wait at Mammoth Hospital?

Mammoth Hospital does not currently publish a live wait-time feed. Call the ER directly at (760) 934-3311 for the most current wait estimate.

Should I go to the ER or to urgent care?

For life-threatening symptoms , chest pain, stroke signs (face drooping, arm weakness, speech difficulty), severe bleeding, breathing difficulty, or loss of consciousness , call 911 and head to the ER. For minor injuries, fevers, low-grade illness, or anything non-emergency, urgent care is usually faster and cheaper. See urgent care in California.

Is Mammoth Hospital open 24 hours?

Most Medicare-certified ERs in the US run 24 hours a day, seven days a week. To confirm the current status of Mammoth Hospital, call (760) 934-3311.

Where is Mammoth Hospital located?

Mammoth Hospital is located at 85 Sierra Park Road Po Box 660, Mammoth Lakes, CA, 93546. Phone: (760) 934-3311.