TATIANA NICOLE DUCHAK
NPI 1245838507
Counselor - Mental Health in Oak Brook, IL
NPI Status: Active since October 09, 2020
Contact Information
2021 MIDWEST RD STE 200
OAK BROOK, IL
ZIP 60523
Phone: (773) 219-0702
- Individual
- Female
- Counselor
- Mental Health
- Accepts Insurance
About TATIANA DUCHAK
This page provides the complete NPI Profile along with additional information for Tatiana Duchak, a provider established in Oak Brook, Illinois with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1245838507 assigned on October 2020. The practitioner's primary taxonomy code is 101YM0800X with license number 180.013674 (IL). The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1245838507
- Provider Name
- TATIANA NICOLE DUCHAK
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2021 MIDWEST RD STE 200 OAK BROOK, IL 60523
- Location Phone
- (773) 219-0702
- Mailing Address
- 2021 MIDWEST RD STE 200 OAK BROOK, IL 60523
- Mailing Phone
- (773) 219-0702
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-09-2020
- Last Update Date
- 02-26-2026
- Code Navigator
A mental health counselor like Tatiana Duchak provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.
Location Map
Secondary Locations
- 825 N Cass Ave Ste 115
Westmont, IL 60559
(773) 219-0702
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Counselor Mental Health
- Taxonomy Code
- 101YM0800X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 180.013674
- License State
- IL
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Complete Gold - EPO
- Complete Gold + Vision + Adult Dental - EPO
- Complete Silver - EPO
- Complete Silver + Vision + Adult Dental - EPO
- Elite Bronze - EPO
- Elite Bronze + Vision + Adult Dental - EPO
- Everyday Bronze - EPO
- Everyday Bronze + Vision + Adult Dental - EPO
- Everyday Gold - EPO
- Everyday Gold + Vision + Adult Dental - EPO
- Standard Expanded Bronze - EPO
- Standard Expanded Bronze + Vision + Adult Dental - EPO
- Standard Gold - EPO
- Standard Gold + Vision + Adult Dental - EPO
- Standard Silver - EPO
- Standard Silver + Vision + Adult Dental - EPO
- Complete Gold - HMO
- Complete Gold + Vision + Adult Dental - HMO
- Elite Bronze - HMO
- Elite Bronze + Vision + Adult Dental - HMO
- Elite Gold - HMO
- Elite Gold + Vision + Adult Dental - HMO
- Everyday Bronze - HMO
- Everyday Bronze + Vision + Adult Dental - HMO
- Everyday Gold - HMO
- Everyday Gold + Vision + Adult Dental - HMO
- Focused Silver - HMO
- Focused Silver + Vision + Adult Dental - HMO
- Standard Expanded Bronze - HMO
- Standard Expanded Bronze + Vision + Adult Dental - HMO
- Standard Gold - HMO
- Standard Gold + Vision + Adult Dental - HMO
- Standard Silver - HMO
- Standard Silver + Vision + Adult Dental - HMO
- Clear Gold - EPO
- Clear Gold + Vision + Adult Dental - EPO
- Complete Gold - EPO
- Complete Gold + Vision + Adult Dental - EPO
- Elite Silver - EPO
- Elite Silver + Vision + Adult Dental - EPO
- Everyday Bronze - EPO
- Everyday Bronze + Vision + Adult Dental - EPO
- Focused Silver - EPO
- Focused Silver + Vision + Adult Dental - EPO
- Principal Bronze HSA - EPO
- Principal Bronze HSA + Vision + Adult Dental - EPO
- Standard Expanded Bronze - EPO
- Standard Expanded Bronze + Vision + Adult Dental - EPO
- Standard Gold - EPO
- Standard Gold + Vision + Adult Dental - EPO
- Standard Silver - EPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1245838507, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 14 providers are registered at the same or a nearby location.
OAK BROOK, IL 60523
OAK BROOK, IL 60523
OAK BROOK, IL 60523
OAK BROOK, IL 60523
OAK BROOK, IL 60523
OAK BROOK, IL 60523
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1245838507, enumerated as an "individual" on October 09, 2020.
The provider is located at 2021 MIDWEST RD STE 200 OAK BROOK, IL 60523 and the phone number is (773) 219-0702.
Counselor with taxonomy code 101YM0800X and a focus in Mental Health.
The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter Health. Please consult your insurance carrier or call the provider to verify.
