Hospital · Critical access hospital
Who owns Mammoth Hospital?
85 Sierra Park Road Po Box 660 · Mammoth Lakes, CA · 93546
Overview
Beds15
Discharges439cost report 2025
Occupancy22%inpatient days ÷ bed days
Employees (FTE)262
Mammoth Hospital is a critical access hospital in Mammoth Lakes, California. Mono County has 1 hospitals, 0 nursing homes and 0 urgent care centers.
Ownership
The operator and owner of Mammoth Hospital are in the full report, with sources and dates.
- Ownership type
- Government (hospital district)
Ownership history
Every dated change of operator and owner for Mammoth Hospital, with the source for each.
Finances
From the hospital's Medicare cost report, fiscal year ending 2025.
| Net patient revenue | $112.1M |
| Operating expenses | $107.4M |
| Net income | $24.8M |
| Net income as a share of net patient revenue | 22.1% |
| Uncompensated care cost | $3.2M |
| Charity care cost | $1.3M |
| Medicaid net revenue | $19.3M |
Payer mix by inpatient days (2025)
- Commercial and other 48.5%
- Medicare 31.0%
- Medicaid 13.5%
- Other government 7.0%
Location and market
- Address
- 85 Sierra Park Road Po Box 660 · Mammoth Lakes, CA · 93546
- County
- Mono County
- State
- California
Hospitals in the county1
Nursing homes0
Urgent care centers0
Sources and identifiers
- Finances and payer mix: CMS hospital cost reports (HCRIS), fiscal year 2025
- Ownership type and beds: CMS Provider of Services file
- Location: CMS and Census Bureau geography
- CMS certification number
- 051303
- NPI
- 1962444059
- Last confirmed
- 2026-10-23
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