WILLIAM K OPOKU
NPI 1437012143
Counselor in Plainfield, IN
NPI Status: Active since December 09, 2025
Contact Information
2680 E MAIN ST
PLAINFIELD, IN
ZIP 46168
Phone: (317) 908-2721
- Individual
- Male
- Counselor
About WILLIAM OPOKU
This page provides the complete NPI Profile along with additional information for William Opoku, a provider established in Plainfield, Indiana with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1437012143 assigned on December 2025. The practitioner's primary taxonomy code is 101Y00000X with license number 39005765A (IN). The provider is registered as an individual and his NPI record was last updated January 2026.
- NPI
- 1437012143
- Provider Name
- WILLIAM K OPOKU
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2680 E MAIN ST PLAINFIELD, IN 46168
- Location Phone
- (317) 908-2721
- Mailing Address
- 4159 HOMESTEAD DR WHITESTOWN, IN 46075
- Mailing Phone
- (317) 998-4288
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-09-2025
- Last Update Date
- 01-13-2026
- Code Navigator
Location Map
Secondary Locations
- 2680 E Main St
Plainfield, IN 46168
(317) 998-4288
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
- Taxonomy Code
- 101Y00000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 39005765A
- License State
- IN
- Taxonomy Description
- A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
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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 1437012143, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 12 providers are registered at the same or a nearby location.
PLAINFIELD, IN 46168
PLAINFIELD, IN 46168
PLAINFIELD, IN 46168
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1437012143, enumerated as an "individual" on December 09, 2025.
The provider is located at 2680 E MAIN ST PLAINFIELD, IN 46168 and the phone number is (317) 908-2721.
Counselor with taxonomy code 101Y00000X.
