ALEX R DIAZ INC
NPI 1760246284
Clinic/Center in San Ramon, CA

Active since February 07, 2024
5401 NORRIS CANYON RD STE 308, SAN RAMON, CA 94583(925) 866-8822(925) 866-8323 Get Directions Write a Review

NPPES record last updated: February 7, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Alex R Diaz Inc NPPES

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

ALEX R DIAZ INC (NPI 1760246284) is a healthcare organization registered as a clinic/center in San Ramon, California and active in the NPI registry since February 2024. The organization lists Alex R Diaz, President, as its authorized official.

NPPES Registry Identity

NPI1760246284
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameALEX R DIAZ INC
Location Address5401 NORRIS CANYON RD STE 308San Ramon, CA 94583-5408
Mailing Address5401 Norris Canyon Rd Ste 308San Ramon, CA 94583-5408 · (925) 866-8822 · Fax (925) 866-8323
Fax(925) 866-8323
Organization SubpartNo
Authorized OfficialAlex R DiazPresident · (925) 866-8822
Enumeration DateFebruary 7, 2024
NPPES CertifiedFebruary 7, 2024
✔ NPI 1760246284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
5401 NORRIS CANYON RD STE 308, San Ramon, CA 94583

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alex R Diaz Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Alex R Diaz Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Internal Medicine
NPI 1659759363
5401 NORRIS CANYON RD STE 306
San Ramon, CA 94583
(925) 866-8822
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Alex R Diaz Inc's NPI number?

The NPI number for Alex R Diaz Inc is 1760246284. It was assigned to this organization in the NPPES registry on February 7, 2024.

Where is Alex R Diaz Inc located?

Alex R Diaz Inc is located at 5401 Norris Canyon Rd Ste 308, San Ramon, CA 94583. The listed phone number is (925) 866-8822.

What is Alex R Diaz Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Alex R Diaz Inc enrolled in Medicare?

Yes. Alex R Diaz Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alex R Diaz Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Alex R Diaz Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Alex R Diaz Inc was last updated on February 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.