OLIVIA N HERCZAK LLMSW
NPI 1518814995
Psychologist - Clinical Child & Adolescent in Livonia, MI
NPI Status: Active since March 13, 2026
Contact Information
17940 FARMINGTON RD
LIVONIA, MI
ZIP 48152
Phone: (734) 762-0909
Fax: (734) 762-0901
- Individual
- Female
- Psychologist
- Clinical Child & Adolescent
About OLIVIA HERCZAK
This page provides the complete NPI Profile along with additional information for Olivia Herczak, a provider established in Livonia, Michigan with a medical specialization in Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1518814995 assigned on March 2026. The practitioner's primary taxonomy code is 103TC2200X with license number 6851120211 (MI). The provider is registered as an individual and her NPI record was last updated March 2026.
- NPI
- 1518814995
- Provider Name
- OLIVIA N HERCZAK LLMSW
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 17940 FARMINGTON RD LIVONIA, MI 48152
- Location Phone
- (734) 762-0909
- Location Fax
- (734) 762-0901
- Mailing Address
- 22300 PONDVIEW NOVI, MI 48375
- Mailing Phone
- (734) 740-7055
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-13-2026
- Last Update Date
- 03-13-2026
- Code Navigator
Location Map
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
Psychologist Clinical Child & Adolescent
- Taxonomy Code
- 103TC2200X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 6851120211
- License State
- MI
- Taxonomy Description
- A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
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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 1518814995, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).
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 75 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
LIVONIA, MI 48152
LIVONIA, MI 48152
LIVONIA, MI 48152
LIVONIA, MI 48152
LIVONIA, MI 48152
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1518814995, enumerated as an "individual" on March 13, 2026.
The provider is located at 17940 FARMINGTON RD LIVONIA, MI 48152 and the phone number is (734) 762-0909.
Psychologist with taxonomy code 103TC2200X and a focus in Clinical Child & Adolescent.
