IndividualActive
Tatiana Duchak
NPI 1245838507 · Mental Health Counselor · Oak Brook, IL
Tatiana Duchak is a Mental Health Counselor provider in Oak Brook, IL (NPI 1245838507).
Provider details
- NPI number
- 1245838507
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 180.013674 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
2021 Midwest Rd Ste 200
Oak Brook, IL 60523-1370
Phone: (773) 219-0702
Street-level locationGet directions
Mailing address
2021 Midwest Rd Ste 200
Oak Brook, IL 60523-1370
Additional practice locations (1)
- 825 N Cass Ave Ste 115Westmont, IL 60559-6401Phone: (773) 219-0702
Registry dates
- Enumerated
- 2020-10-09
- Last updated
- 2026-02-26
- Certified
- 2026-02-26
Frequently asked questions
- What is Tatiana Duchak's NPI number?
- Tatiana Duchak's National Provider Identifier (NPI) is 1245838507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tatiana Duchak's specialty?
- Tatiana Duchak is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Tatiana Duchak located?
- Tatiana Duchak's practice location on file with NPPES is 2021 Midwest Rd Ste 200, Oak Brook, IL 60523-1370.
- What is Tatiana Duchak's phone number?
- The practice phone number listed in the NPPES registry for Tatiana Duchak is (773) 219-0702.
- Is Tatiana Duchak's NPI active?
- Yes — Tatiana Duchak's NPI (1245838507) is active in the NPPES registry as of the last update on 2026-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.