Tatiana Diaz
NPI 1801456926ActiveIndividual· Behavior Analyst· Willowbrook, IL
Behavior Analyst in Willowbrook, Illinois, with an NPI issued in June 2019.
Overview
| NPI | 1801456926 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jun 20, 2019 |
| Last updated in NPPES | Nov 20, 2025 |
| Certified by provider | Nov 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Behavior Analyst Primary | 103K00000X | 1-20-46201 | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
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