What is Eliezer Diaz's NPI number?

Eliezer Diaz's National Provider Identifier (NPI) is 1972496925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Eliezer Diaz's specialty?

Eliezer Diaz is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).

Where is Eliezer Diaz located?

Eliezer Diaz's practice location on file with NPPES is 5145 N California Ave, Chicago, IL 60625-3661.

What is Eliezer Diaz's phone number?

The practice phone number listed in the NPPES registry for Eliezer Diaz is (773) 989-3808.

Is Eliezer Diaz's NPI active?

Yes — Eliezer Diaz's NPI (1972496925) is active in the NPPES registry as of the last update on 2025-12-16.

IndividualActive

Eliezer Diaz, D.O.

NPI 1972496925 · General Practice Physician · Chicago, IL

Eliezer Diaz, D.O. is a General Practice Physician provider in Chicago, IL (NPI 1972496925).

Provider details

NPI number: 1972496925
Entity type: Individual
Primary specialty: General Practice PhysicianAllopathic & Osteopathic Physicians
Credential: D.O.
Sex: Male
Sole proprietor: No
License: 125.086198 (IL)

Specialties & taxonomies

General Practice PhysicianPrimary208D00000XLicense 125.086198 (IL)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
1 yr 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.

Practice location

5145 N California Ave

Chicago, IL 60625-3661

Phone: (773) 989-3808

Approximate (ZIP-level) locationGet directions

More IL providers

Mailing address