Mark Twain Medical Center
Critical access hospital in San Andreas, CA · 25 certified beds · part of CommonSpirit Health.
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Mark Twain Medical Center at a glance
- Hospital
- Mark Twain Medical Center
- Location
- San Andreas, CA 95249
- Address
- 768 Mountain Ranch Rd
- Phone
- (209) 754-3521
- Type
- Critical access hospital
- Ownership
- Voluntary non-profit — Other
- Certified beds
- 25
- Operating rooms
- 5
- Emergency services
- No
- Health system
- CommonSpirit Health
- Corporate parent
- COMMONSPIRIT HEALTH
- Annual discharges
- 537
- CMS CCN
- 051332
- NPI
- 1508968819
Services on record
Units and service lines this hospital reports operating, whether staffed directly or under arrangement. Service availability changes; verify independently.
- Intensive care unit
- Obstetrics
- Pediatrics
- Organ transplant
- Nuclear medicine
- Therapeutic radiology
- Outpatient surgery unit
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1 cited deficiencies on record across all surveys, most recent survey 2025-08-29.
Citation counts scale with survey frequency and facility size, and say nothing on their own about current conditions.
Reference profile compiled from authoritative provider and facility records. Certification, capacity, ownership, and affiliations change over time. This is not an endorsement, and not billing, clinical, or legal advice. Verify against official sources before relying on it.