JOHN MUIR HEALTH
NPI 1164799391
Internal Medicine - Cardiovascular Disease in Concord, CA

Active since November 16, 2011CLIA Certified · 2 labs
2540 EAST ST, CONCORD, CA 94520(925) 682-8200(925) 674-2009 Get Directions Write a Review

NPPES record last updated: March 7, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 7, 2025, Jan 4, 2024 (2 updates tracked since 2024).

About John Muir Health NPPES

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

JOHN MUIR HEALTH (NPI 1164799391), doing business as John Muir Health - Concord Campus, is a healthcare organization registered as a cardiovascular disease in Concord, California and active in the NPI registry since November 2011. The organization holds 2 active CLIA laboratory certificates and lists Michael Thomas, Chief Executive Officer, as its authorized official.

NPPES Registry Identity

NPI1164799391
Entity TypeOrganization
Primary Taxonomy207RC0000X
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 SubpartYes
Authorized OfficialMichael ThomasChief Executive Officer · (925) 941-2100
Enumeration DateNovember 16, 2011
Last NPPES UpdateMarch 7, 20252 updates tracked since enumeration
NPPES CertifiedMarch 7, 2025
NPI 1164799391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 9

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · 140000128
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedOphthalmologyTaxonomy 207W00000X
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedOtolaryngologyTaxonomy 207Y00000X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
Also ListedSurgeryTaxonomy 208600000X
Also ListedSurgery · Plastic and Reconstructive SurgeryTaxonomy 2086S0122X
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X
Also ListedUrologyTaxonomy 208800000X
2540 EAST ST, Concord, CA 94520

Other Names 1

Doing Business AsJohn Muir Health - Concord Campus

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 2

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 Accreditation 05D2223442

John Muir Health - Cmc Resp Care Svcs · Concord, CA
Active · expires Jun 18, 2027
CLIA Number05D2223442
Laboratory TypeHospital
Certificate Effective DateJune 19, 2025
Certificate Expiration DateJune 18, 2027
Laboratory DirectorMinh Nguyen
Laboratory Phone(925) 674-2124
Laboratory LocationJohn Muir Health - Cmc Resp Care Svcs2540 East St Resp Care Svcs, Concord, CA 94520
CLIA data matches this NPI record on: Address Name
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Certificate of Accreditation 05D0597853

John Muir Health - Concord Medical Center - Clinical Lab · Concord, CA
Active · expires Feb 27, 2027
CLIA Number05D0597853
Laboratory TypeHospital
Certificate Effective DateFebruary 28, 2025
Certificate Expiration DateFebruary 27, 2027
Laboratory DirectorDr. Rebecca Spies
Laboratory Phone(925) 941-7966
Laboratory LocationJohn Muir Health - Concord Medical Center - Clinical Lab2540 East St, Concord, CA 94520
CLIA data matches this NPI record on: Address Name
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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 1164799391. It was assigned to this organization in the NPPES registry on November 16, 2011. The provider is doing business as John Muir Health - Concord Campus.

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 Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Does John Muir Health hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for John Muir Health was last updated on March 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.