What is Tatiana Diaz's NPI number?

Tatiana Diaz's National Provider Identifier (NPI) is 1801456926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Tatiana Diaz's specialty?

Tatiana Diaz is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Tatiana Diaz located?

Tatiana Diaz's practice location on file with NPPES is 6300 Kingery Hwy Ste 102, Willowbrook, IL 60527-2250.

What is Tatiana Diaz's phone number?

The practice phone number listed in the NPPES registry for Tatiana Diaz is (815) 469-1500.

Is Tatiana Diaz's NPI active?

Yes — Tatiana Diaz's NPI (1801456926) is active in the NPPES registry as of the last update on 2025-11-20.

IndividualActive

Tatiana Diaz

NPI 1801456926 · Behavior Analyst · Willowbrook, IL

Tatiana Diaz is a Behavior Analyst provider in Willowbrook, IL (NPI 1801456926).

Provider details

NPI number: 1801456926
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 1-20-46201

Specialties & taxonomies

Behavior AnalystPrimary103K00000XLicense 1-20-46201
Behavioral Health & Social Service Providers

Profile Score

Established profile(66/100 index)

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

Registry tenure38% of score
7 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.

Practice location

6300 Kingery Hwy Ste 102

Willowbrook, IL 60527-2250

Phone: (815) 469-1500

Approximate (ZIP-level) locationGet directions

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Mailing address