JOHN DIAZ
NPI 1235929688
Contractor in Concord, CA
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
Specialties & Licenses
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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.