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

Q: 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.

Q: What is John Muir Health's specialty?

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

Q: 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.

Q: 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 40 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.

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: October 04, 2026.

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

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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

Phone(925) 682-8200

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

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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

CMS Medicare PSI 90: Patient safety and adverse events composite

1.34 Worse than the national rate

Abdominopelvic accidental puncture or laceration rate

1.30 No different than national

Infections 5

Clostridium Difficile (C.Diff)

30 observed cases · 42.162 predicted · 59,249 patient days

0.712 No different than national

MRSA Bacteremia

4 observed cases · 4.28 predicted · 59,249 patient days

0.935 No different than national

SSI - Colon Surgery

9 observed cases · 4.31 predicted · 168 patient days

2.088 Worse than the national rate

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

Central Line Associated Bloodstream Infection (ICU + select Wards)

6 observed cases · 8.615 predicted · 8,165 patient days

0.696 No different than national

Unplanned Hospital Visits 14

Pneumonia (PN) 30-Day Readmission Rate

292 No different than national

Rate of readmission after discharge from hospital (hospital-wide)

3008 Better than the national benchmark

Rate of readmission after hip/knee replacement

569 No different than national

Heart failure (HF) 30-Day Readmission Rate

581 No different than national

Rate of readmission for chronic obstructive pulmonary disease (COPD) patients

100 No different than national

Rate of readmission for CABG

183 No different than national

Timely & Effective Care 16

Emergency department volume

Very high

Intensive Care Unit Venous Thromboembolism Prophylaxis

93%

Discharged on Statin Medication

97%

Discharged on Antithrombotic Therapy

98%

Severe Sepsis 6-Hour Bundle

93%

Severe Sepsis 3-Hour Bundle

91%

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.

MS. COLLEEN MARIE STAGG PHARMD

Pharmacist