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Mark Twain Medical Center

San Andreas, California · Calaveras CountyCMS #051332

25 BedsNot-for-ProfitRuralCritical Access

Financial Snapshot

-2.5%
Operating Margin
State median: -3.5%
-2.2%
Total Margin
11
Days Cash on Hand
State median: 8
29.9%
Occupancy Rate
State median: 62.0%

Source: CMS Cost Reports (HCRIS)

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Community Context

Calaveras County

Population
45,292
Hospitals
1
Social Vulnerability (SVI)
0.34

County Health Indicators

Diabetes9.4%
Obesity29.4%
Uninsured6.9%
PCPs per 10K3.9
Primary Care HPSADental Health HPSAMental Health HPSA

Sources: County Health Rankings, CDC SVI 2022, HRSA HPSA

Nearest Hospitals

HospitalBedsDistance
Sutter Amador Hospital5212.3 mi
Adventist Health Sonora14321.8 mi
Adventist Health Lodi Memorial19026.5 mi

Related Pages

Calaveras CountyCalifornia OverviewFull Hospital Directory
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Data from CMS Provider of Services, CMS Cost Reports (HCRIS), County Health Rankings, CDC Social Vulnerability Index, and HRSA Bureau of Health Workforce. Last updated: 2026-03-11.