Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN MUIR HEALTH
NPI 1801821376
General Acute Care Hospital in Concord, CA

Active since July 12, 2006CLIA 05D2233792 · Waiver
5/5
Hospital Overall Rating
2540 EAST ST, CONCORD, CA 94520(925) 682-8200(925) 674-2009 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 28, 2026, Jan 4, 2024, Aug 16, 2019 (3 updates tracked since 2019).

About John Muir Health NPPES

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

JOHN MUIR HEALTH (NPI 1801821376), doing business as John Muir Health Medical Center, Concord Campus, is a healthcare organization registered as a general acute care hospital in Concord, California and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through August 24, 2027 and lists Michael Thomas, Ceo, as its authorized official.

NPPES Registry Identity

NPI1801821376
Entity TypeOrganization
Primary Taxonomy282N00000X
Legal Business NameJOHN MUIR HEALTH
Location Address2540 EAST STConcord, CA 94520-1906
Mailing Address1400 Treat BlvdWalnut Creek, CA 94597-2142 · (925) 939-3000 · Fax (925) 941-2236
Fax(925) 674-2009
Organization SubpartNo
Authorized OfficialMichael ThomasCeo · (925) 941-2100
Enumeration DateJuly 12, 2006
Last NPPES UpdateAugust 28, 20263 updates tracked since enumeration
NPPES CertifiedAugust 28, 2026
NPI 1801821376 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGeneral Acute Care HospitalHospitals
Taxonomy Code282N00000X
License Licensed in CA · 140000128
Definition
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.
2540 EAST ST, Concord, CA 94520

Other Names 2

Doing Business AsJohn Muir Health Medical Center, Concord Campus
Other NameJohn Muir Health - Concord Medical Center

Other Identifiers 4

MedicaidHSP40496GCA
Other05496ACA · Bx Of California
OtherZZZC0702ZCA · Blue Shield Of California
MedicaidZZR00496GCA

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2233792

John Muir Health Perioperative Clinic · Concord, CA
Active · expires Aug 24, 2027
CLIA Number05D2233792
Laboratory TypePerioperative Clinic
Certificate Effective DateAugust 25, 2025
Certificate Expiration DateAugust 24, 2027
Laboratory DirectorNicholas P. Byrne
Laboratory Phone(925) 941-4058
Laboratory LocationJohn Muir Health Perioperative Clinic5161 Clayton Rd Ste F-2, Concord, CA 94521
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for John Muir Medical Center - Concord Campus (CMS certification number 050496), from CMS Care Compare.

John Muir Medical Center - Concord Campus

Acute Care Hospitals · Concord, CA
5/5 CMS Overall Rating
OwnershipVoluntary non-profit - Private
CMS Certification Number050496
Location2540 East StConcord, CA 94520 · Contra Costa County · (925) 682-8200
Emergency services Meaningful use of EHRs

Patient Experience

HCAHPS patient survey · Jan 2023 – Dec 2023
3/5 summary rating
Nurse communication
3/5
Doctor communication
4/5
Staff responsiveness
3/5
Communication about medicines
3/5
Discharge information
4/5
Care transition
4/5
Cleanliness
3/5
Quietness
2/5
Overall hospital rating
4/5
Recommend hospital
4/5
Star ratings summarize responses from patients surveyed after discharge, collected through the CMS HCAHPS program.

Complications & Deaths 19

Rate of complications for hip/knee replacement patients
2.4 No different than national
Death rate for heart attack patients
10.2% No different than national
Death rate for CABG surgery patients
1.5% No different than national
Death rate for COPD patients
8.3% No different than national
Death rate for heart failure patients
10% No different than national
Death rate for pneumonia patients
14.5% Better than the national benchmark

Infections 5

Central Line Associated Bloodstream Infection (ICU + select Wards)
6 observed cases · 8.615 predicted · 8,165 patient days
0.696 No different than national
Catheter Associated Urinary Tract Infections (ICU + select Wards)
4 observed cases · 12.084 predicted · 9,461 patient days
0.331 Better than the national benchmark
SSI - Colon Surgery
9 observed cases · 4.31 predicted · 168 patient days
2.088 Worse than the national rate
MRSA Bacteremia
4 observed cases · 4.28 predicted · 59,249 patient days
0.935 No different than national
Clostridium Difficile (C.Diff)
30 observed cases · 42.162 predicted · 59,249 patient days
0.712 No different than national

Unplanned Hospital Visits 14

Hospital return days for heart attack patients
271 days per 100 discharges
Hospital return days for heart failure patients
581 fewer days than average per 100 discharges
Hospital return days for pneumonia patients
292 days per 100 discharges
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)
185 No different than national
Rate of inpatient admissions for patients receiving outpatient chemotherapy
36 No different than national
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy
36 No different than national

Timely & Effective Care 16

Emergency department volume
Very high
Percentage of healthcare personnel who are up to date with COVID-19 vaccinations
7.6%
Healthcare workers given influenza vaccination
60%
Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better
155 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
264 minutes
Left before being seen
1%

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.

Pharmacist
2540 EAST ST
CONCORD, CA 94520
Pathology (Anatomic Pathology & Clinical Pathology)
2540 EAST ST
CONCORD, CA 94520
Radiology (Radiation Oncology)
2540 EAST ST
CONCORD, CA 94520
Radiology (Radiation Oncology)
2540 EAST ST
CONCORD, CA 94520
Nurse Practitioner (Family)
2540 EAST ST
CONCORD, CA 94520
Emergency Medicine
2540 EAST ST
CONCORD, CA 94520
Pathology (Anatomic Pathology & Clinical Pathology)
2540 EAST ST
CONCORD, CA 94520
Nurse Practitioner
2540 EAST ST
CONCORD, CA 94520

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Muir Health's NPI number?

The NPI number for John Muir Health is 1801821376. It was assigned to this organization in the NPPES registry on July 12, 2006. The provider is doing business as John Muir Health Medical Center, Concord Campus. The provider is also known as John Muir Health - Concord Medical Center.

Where is John Muir Health located?

John Muir Health is located at 2540 East St, Concord, CA 94520. The listed phone number is (925) 682-8200.

What is John Muir Health's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

Does John Muir Health hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2233792) is associated with this NPI, valid through August 24, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is John Muir Health a Medicare-certified hospital?

Yes. John Muir Medical Center - Concord Campus is a Medicare-certified hospital (Acute Care Hospitals). The hospital provides emergency services.

What quality rating does John Muir Health have?

CMS rates John Muir Medical Center - Concord Campus 5 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.

When was this NPI record last updated?

The NPPES record for John Muir Health was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.