1. Home
  2. Directory
  3. California
  4. Rancho Cucamonga
  5. Dietitian Registered
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

ISAAC DIAZ MPH, LDN, CPT, CHES
NPI 1386402188
Dietitian, Registered in Rancho Cucamonga, CA

Active since March 07, 2024
6929 VALATTA PL, RANCHO CUCAMONGA, CA 91701(909) 710-5794 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 20, 2026, Jan 15, 2026, Jul 25, 2024 and 2 more (5 updates tracked since 2024).

About Isaac Diaz Mph, Ldn, Cpt, Ches NPPES

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

ISAAC DIAZ MPH, LDN, CPT, CHES (NPI 1386402188) is an individual dietitian, registered in Rancho Cucamonga, California, licensed in California (86265773) and active in the NPI registry since March 2024.

NPPES Registry Identity

NPI1386402188
Entity TypeIndividualMale
Primary Taxonomy133V00000X
Provider Legal NameISAAC DIAZCredential: MPH, LDN, CPT, CHES
Location Address6929 VALATTA PLRancho Cucamonga, CA 91701-8656
Mailing Address6929 Valatta PlRancho Cucamonga, CA 91701-8656
Phone(909) 710-5794
Sole ProprietorYes
Enumeration DateMarch 7, 2024
Last NPPES UpdateJuly 20, 20265 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1386402188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in CA · 86265773
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
Also ListedNutritionistTaxonomy 133N00000X
6929 VALATTA PL, Rancho Cucamonga, CA 91701
Open in Google Maps ↗

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 Isaac Diaz's NPI number?

The NPI number for Isaac Diaz is 1386402188. It was assigned to this individual provider in the NPPES registry on March 7, 2024.

Where is Isaac Diaz located?

Isaac Diaz practices at 6929 Valatta Pl, Rancho Cucamonga, CA 91701. The listed phone number is (909) 710-5794.

What is Isaac Diaz's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

When was this NPI record last updated?

The NPPES record for Isaac Diaz was last updated on July 20, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.