TATIANA NICOLE DUCHAK
NPI 1245838507
Counselor - Mental Health in Oak Brook, IL

Active since October 09, 2020
2021 MIDWEST RD STE 200, OAK BROOK, IL 60523(773) 219-0702 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 3, 2024, Oct 9, 2020 (2 updates tracked since 2020).

About Tatiana Nicole Duchak NPPES

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

TATIANA NICOLE DUCHAK (NPI 1245838507) is an individual mental health provider in Oak Brook, Illinois, licensed in Illinois (180.013674) and active in the NPI registry since October 2020. She maintains a secondary practice location in Westmont.

NPPES Registry Identity

NPI1245838507
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameTATIANA NICOLE DUCHAK
Location Address2021 MIDWEST RD STE 200Oak Brook, IL 60523-1370
Mailing Address2021 Midwest Rd Ste 200Oak Brook, IL 60523-1370 · (773) 219-0702
Sole ProprietorNo
Enumeration DateOctober 9, 2020
Last NPPES UpdateFebruary 26, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2026
NPI 1245838507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in IL · 180.013674
2021 MIDWEST RD STE 200, Oak Brook, IL 60523

Secondary Practice Location 1

Location 1825 N Cass Ave Ste 115Westmont, IL 60559-6401 · Phone (773) 219-0702

Accepted Insurance

Other Providers at the Same Location NPPES 14

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

Clinic/Center (Rehabilitation, Substance Use Disorder)
2021 MIDWEST RD STE 200
OAK BROOK, IL 60523
Clinic/Center (Mental Health (Including Community Mental Health Center))
2021 MIDWEST RD STE 200
OAK BROOK, IL 60523
Clinic/Center (Adult Mental Health)
2021 MIDWEST RD STE 200
OAK BROOK, IL 60523
Podiatrist (Foot & Ankle Surgery)
2021 MIDWEST RD STE 200
OAK BROOK, IL 60523
In Home Supportive Care
2021 MIDWEST RD STE 200
OAK BROOK, IL 60523
Internal Medicine (Gastroenterology)
2021 MIDWEST RD STE 200
OAK BROOK, IL 60523
Pharmacist (Ambulatory Care)
2021 MIDWEST RD STE 200
OAK BROOK, IL 60523
Speech-Language Pathologist
2021 MIDWEST RD STE 200
OAK BROOK, IL 60523

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 Tatiana Duchak's NPI number?

The NPI number for Tatiana Duchak is 1245838507. It was assigned to this individual provider in the NPPES registry on October 9, 2020.

Where is Tatiana Duchak located?

Tatiana Duchak practices at 2021 Midwest Rd Ste 200, Oak Brook, IL 60523. The listed phone number is (773) 219-0702.

What is Tatiana Duchak's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Tatiana Duchak accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Tatiana Duchak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Tatiana Duchak was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.