JOHN MUIR PHYSICIAN NETWORK
NPI 1841407665
General Practice in Walnut Creek, CA

Active since May 17, 2007CLIA 05D2115346 · Accreditation
1450 TREAT BLVD, SUITE 300, WALNUT CREEK, CA 94597(925) 296-9872(925) 952-2845 Get Directions Write a Review

NPPES record last updated: March 20, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 20, 2025, Jan 3, 2023 (2 updates tracked since 2023).

About John Muir Physician Network NPPES

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

JOHN MUIR PHYSICIAN NETWORK (NPI 1841407665) is a healthcare organization registered as a general practice in Walnut Creek, California and active in the NPI registry since May 2007. The organization holds an CLIA Accreditation certificate valid through September 10, 2027 and lists Mike Thomas, President And Ceo, as its authorized official.

NPPES Registry Identity

NPI1841407665
Entity TypeOrganization
Primary Taxonomy208D00000X
Legal Business NameJOHN MUIR PHYSICIAN NETWORK
Location Address1450 TREAT BLVD, SUITE 300Walnut Creek, CA 94597-2168
Mailing Address1450 Treat Blvd, Suite 300Walnut Creek, CA 94597-2168 · (925) 952-2828 · Fax (925) 952-2845
Fax(925) 952-2845
Organization SubpartNo
Authorized OfficialMike ThomasPresident And Ceo · (925) 941-2100
Enumeration DateMay 17, 2007
Last NPPES UpdateMarch 20, 20252 updates tracked since enumeration
NPPES CertifiedMarch 20, 2025
NPI 1841407665 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

1450 TREAT BLVD, Walnut Creek, CA 94597

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

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 Accreditation 05D2115346

John Muir Physician Network · Walnut Creek, CA
Active · expires Sep 10, 2027
CLIA Number05D2115346
Laboratory TypeUrgent Care
Certificate Effective DateSeptember 11, 2025
Certificate Expiration DateSeptember 10, 2027
Laboratory DirectorOlawunmi Beckley
Laboratory Phone(925) 952-2818
Laboratory LocationJohn Muir Physician Network1450 Treat Blvd, Ste 160, Walnut Creek, CA 94597
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.

Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Internal Medicine
1450 TREAT BLVD, SUITE 120A
WALNUT CREEK, CA 94597
Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Family Medicine
1450 TREAT BLVD, SUITE 160
WALNUT CREEK, CA 94597
Internal Medicine
1450 TREAT BLVD, SUITE 250B
WALNUT CREEK, CA 94597
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597
Family Medicine
1450 TREAT BLVD, SUITE 120B
WALNUT CREEK, CA 94597
Pediatrics
1450 TREAT BLVD, SUITE 140
WALNUT CREEK, CA 94597

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841407665, enumerated as an "organization" on May 17, 2007.

The provider is located at 1450 TREAT BLVD SUITE 300 WALNUT CREEK, CA 94597 and the phone number is (925) 296-9872.

General Practice with taxonomy code 208D00000X.