MARK TWAIN MEDICAL CENTER
NPI 1508968819
General Acute Care Hospital - Critical Access in San Andreas, CA

Q: What is Mark Twain Medical Center's NPI number?

The NPI number for Mark Twain Medical Center is 1508968819. It was assigned to this organization in the NPPES registry on September 5, 2006.

Q: What is Mark Twain Medical Center's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital, specializing in Critical Access, with taxonomy code 282NC0060X.

Q: What quality rating does Mark Twain Medical Center have?

CMS rates Mark Twain Medical Center 3 out of 5 stars overall on Care Compare, based on measures of safety, patient experience and outcomes. The full measure detail is in the Hospital Quality Ratings section above.

Active since September 05, 2006

3/5

Hospital Overall Rating

768 MOUNTAIN RANCH RD, SAN ANDREAS, CA 95249(209) 754-3521(209) 754-2675 Get Directions Write a Review

NPPES record last updated: April 15, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 15, 2021, May 12, 2016 (2 updates tracked since 2016).

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About Mark Twain Medical Center NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK TWAIN MEDICAL CENTER (NPI 1508968819) is a healthcare organization registered as a critical access in San Andreas, California and active in the NPI registry since September 2006. The organization lists John Chivers, Chief Financial Officer, as its authorized official.

NPPES Registry Identity

NPI1508968819

Entity TypeOrganization

Primary Taxonomy282NC0060X

Legal Business NameMARK TWAIN MEDICAL CENTER

Location Address768 MOUNTAIN RANCH RDSan Andreas, CA 95249-9707

Mailing Address768 Mountain Ranch RdSan Andreas, CA 95249-9707 · (209) 754-3521 · Fax (209) 754-2675

Phone(209) 754-3521

Fax(209) 754-2675

Organization SubpartNo

Authorized OfficialJohn ChiversChief Financial Officer · (209) 754-2614

Enumeration DateSeptember 5, 2006

Last NPPES UpdateApril 15, 20212 updates tracked since enumeration

NPPES CertifiedApril 15, 2021

✔ NPI 1508968819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral Acute Care Hospital · Critical AccessHospitals

Taxonomy Code282NC0060X

Also ListedGeneral Acute Care HospitalTaxonomy 282N00000X · License 030000058 (CA)

768 MOUNTAIN RANCH RD, San Andreas, CA 95249

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Other Identifiers 5

MedicaidLTC30366GCA

OtherZZZC0502ZBlue Shield Of Ca

MedicaidHSP40366GCA

MedicaidZZR00366GCA

Other233520100Dept. Of Labor - Wc

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for Mark Twain Medical Center (CMS certification number 051332), from CMS Care Compare.

Mark Twain Medical Center

Critical Access Hospitals · San Andreas, CA

3/5 CMS Overall Rating

OwnershipVoluntary non-profit - Other

CMS Certification Number051332

Location768 Mountain Ranch RdSan Andreas, CA 95249 · Calaveras County · (209) 754-2515

Meaningful use of EHRs

Patient Experience

HCAHPS patient survey · Jan 2023 – Dec 2023

4/5 summary rating

Nurse communication

4/5

Doctor communication

3/5

Staff responsiveness

4/5

Communication about medicines

4/5

Discharge information

4/5

Care transition

3/5

Cleanliness

4/5

Quietness

3/5

Overall hospital rating

3/5

Recommend hospital

3/5

Star ratings summarize responses from patients surveyed after discharge, collected through the CMS HCAHPS program.

Complications & Deaths 6

Rate of complications for hip/knee replacement patients

3.5 No different than national

Death rate for heart attack patients

Cases too small to report

Death rate for COPD patients

8.7% No different than national

Death rate for heart failure patients

10.4% No different than national

Death rate for pneumonia patients

18.3% No different than national

Death rate for stroke patients

14.5% No different than national

Unplanned Hospital Visits 13

Hospital return days for heart attack patients

Cases too small to report

Hospital return days for heart failure patients

74 days per 100 discharges

Hospital return days for pneumonia patients

78 days per 100 discharges

Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)

96 No different than national

Rate of inpatient admissions for patients receiving outpatient chemotherapy

38 No different than national

Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy

38 No different than national

Timely & Effective Care 15

Emergency department volume

Low

Admit Decision Time to ED Departure Time for Admitted Patients - non psychiatric/mental health disorders

50 minutes

Percentage of healthcare personnel who are up to date with COVID-19 vaccinations

1.9%

Healthcare workers given influenza vaccination

74%

Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better

129 minutes

Average (median) time patients spent in the emergency department before leaving from the visit- Psychiatric/Mental Health Patients. A lower number of minutes is better

574 minutes

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CALAVERAS EMERGENCY PHYSICIANS,

Emergency Medicine