What is Brett Diaz's NPI number?

Brett Diaz's National Provider Identifier (NPI) is 1134245483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Brett Diaz's specialty?

Brett Diaz is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).

Where is Brett Diaz located?

Brett Diaz's practice location on file with NPPES is 2537 S Euclid Ave, Ontario, CA 91762-6625.

What is Brett Diaz's phone number?

The practice phone number listed in the NPPES registry for Brett Diaz is (909) 930-2233.

Is Brett Diaz's NPI active?

Yes — Brett Diaz's NPI (1134245483) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Brett Diaz, D.C.

NPI 1134245483 · Chiropractor · Ontario, CA

Brett Diaz, D.C. is a Chiropractor provider in Ontario, CA (NPI 1134245483).

Provider details

NPI number: 1134245483
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: D.C.
Sex: Male
Sole proprietor: No
License: DC 18384 (CA)

Practice location

2537 S Euclid Ave

Ontario, CA 91762-6625

Phone: (909) 930-2233

Fax: (909) 933-3775

Street-level locationGet directions

More CA providers

Mailing address

889 Summit Dr

Laguna Beach, CA 92651-3420

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense DC 18384 (CA)
Chiropractic Providers

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2007-03-21
Last updated: 2007-07-08

Frequently asked questions

What is Brett Diaz's NPI number?: Brett Diaz's National Provider Identifier (NPI) is 1134245483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Brett Diaz's specialty?: Brett Diaz is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
Where is Brett Diaz located?: Brett Diaz's practice location on file with NPPES is 2537 S Euclid Ave, Ontario, CA 91762-6625.
What is Brett Diaz's phone number?: The practice phone number listed in the NPPES registry for Brett Diaz is (909) 930-2233.
Is Brett Diaz's NPI active?: Yes — Brett Diaz's NPI (1134245483) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions