HAYLEY LYNN WILLIAMS
NPI 1225968274
Behavior Technician in Grand Blanc, MI
NPI Status: Active since May 21, 2026
Contact Information
8401 HOLLY RD
GRAND BLANC, MI
ZIP 48439
Phone: (810) 348-5928
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Behavior Technician
About HAYLEY WILLIAMS
This page provides the complete NPI Profile along with additional information for Hayley Williams, a provider established in Grand Blanc, Michigan with a medical specialization in Behavior Technician. The healthcare provider is registered in the NPI registry with number 1225968274 assigned on May 2026. The practitioner's primary taxonomy code is 106S00000X. The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1225968274
- Provider Name
- HAYLEY LYNN WILLIAMS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 8401 HOLLY RD GRAND BLANC, MI 48439
- Location Phone
- (810) 348-5928
- Mailing Address
- 2231 NERREDIA ST FLINT, MI 48532
- Mailing Phone
- (810) 348-5928
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-21-2026
- Last Update Date
- 05-21-2026
- 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
Behavior Technician
- Taxonomy Code
- 106S00000X
- Type
- Behavioral Health & Social Service Providers
- Taxonomy Description
- The behavior technician is a paraprofessional who practices under the close, ongoing supervision of a behavior analyst or assistant behavior analyst certified by the Behavior Analyst Certification Board and/or credentialed by a state (such as through licensure). The behavior technician is primarily responsible for the implementation of components of behavior-analytic treatment plans developed by the supervisor. That may include collecting data on treatment targets and conducting certain types of behavioral assessments (e.g., stimulus preference assessments). The behavior technician does not design treatment or assessment plans or procedures but provides services as assigned by the supervisor responsible for his or her work.
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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 1225968274, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 6 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1225968274, enumerated as an "individual" on May 21, 2026.
The provider is located at 8401 HOLLY RD GRAND BLANC, MI 48439 and the phone number is (810) 348-5928.
Behavior Technician with taxonomy code 106S00000X.
