JOHN DIAZ
NPI 1235929688
Contractor in Concord, CA

Active since May 08, 2025
1190 BURNETT AVE STE A, CONCORD, CA 94520(925) 462-5600 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About John Diaz NPPES

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

JOHN DIAZ (NPI 1235929688) is an individual contractor provider in Concord, California and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1235929688
Entity TypeIndividualMale
Primary Taxonomy171W00000X
Provider Legal NameJOHN DIAZ
Location Address1190 BURNETT AVE STE AConcord, CA 94520-5612
Mailing Address1190 Burnett Ave Ste AConcord, CA 94520-5612 · (925) 462-5600
Sole ProprietorNo
Enumeration DateMay 8, 2025
NPPES CertifiedMay 8, 2025
NPI 1235929688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyContractorOther Service Providers
Taxonomy Code171W00000X
Definition
For the purposes of the Health Care Provider Taxonomy, a contractor is limited to individuals who do construction or mechanical work to modify a patient's environment to accommodate a health condition. Contractors perform projects including, but not limited to, building wheelchair ramps, widening doorways, modifying personal vehicles, and making other improvements for patient access and movement. This code has no relation to a provider's employment status.
1190 BURNETT AVE STE A, Concord, CA 94520

Other Providers at the Same Location NPPES

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

Durable Medical Equipment & Medical Supplies
1190 BURNETT AVE STE A
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 Diaz's NPI number?

The NPI number for John Diaz is 1235929688. It was assigned to this individual provider in the NPPES registry on May 8, 2025.

Where is John Diaz located?

John Diaz practices at 1190 Burnett Ave Ste A, Concord, CA 94520. The listed phone number is (925) 462-5600.

What is John Diaz's specialty?

The primary specialty registered for this NPI is Contractor with taxonomy code 171W00000X.

When was this NPI record last updated?

The NPPES record for John Diaz was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.