DR. TEODORO G DIAZ III DO
NPI 1437190113
Family Medicine in Ontario, CA

Active since June 10, 2006
3550 E PHILADELPHIA ST, SUITE 150, ONTARIO, CA 91761(909) 773-0022(909) 781-6013 Get Directions Write a Review

NPPES record last updated: November 11, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Teodoro G Diaz Iii Do NPPES

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

DR. TEODORO G DIAZ III DO (NPI 1437190113) is an individual family medicine provider in Ontario, California, licensed in California (20A8127) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1437190113
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. TEODORO G DIAZ IIICredential: DO
Location Address3550 E PHILADELPHIA ST, SUITE 150Ontario, CA 91761-2962
Mailing Address3550 E Philadelphia St, Suite 150Ontario, CA 91761-2962 · (909) 773-0022 · Fax (909) 781-6013
Fax(909) 781-6013
Sole ProprietorNo
Enumeration DateJune 10, 2006
Last NPPES UpdateNovember 11, 2015
NPI 1437190113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · 20A8127
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3550 E PHILADELPHIA ST, Ontario, CA 91761

Other Names 1

Professional Name (2)Dr. Teodoro G Diaz Do

Other Providers at the Same Location NPPES 4

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

Physical Therapist
3550 E PHILADELPHIA ST, SUITE # 155
ONTARIO, CA 91761
Physician Assistant
3550 E PHILADELPHIA ST
ONTARIO, CA 91761
Physical Therapist
3550 E PHILADELPHIA ST
ONTARIO, CA 91761
Physician Assistant
3550 E PHILADELPHIA ST
ONTARIO, CA 91761

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 Teodoro Diaz's NPI number?

The NPI number for Teodoro Diaz is 1437190113. It was assigned to this individual provider in the NPPES registry on June 10, 2006. The provider is also known as Dr. Teodoro G Diaz Do.

Where is Teodoro Diaz located?

Teodoro Diaz practices at 3550 E Philadelphia St Suite 150, Ontario, CA 91761. The listed phone number is (909) 773-0022.

What is Teodoro Diaz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Teodoro Diaz was last updated on November 11, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.