NADIA JOHNSON
NPI 1669441655
Counselor - Professional in Rockford, IL
NPI Status: Active since March 14, 2006
Contact Information
3703 N MAIN ST
ROCKFORD, IL
ZIP 61103
Phone: (815) 282-2462
Fax: (815) 877-9382
- Individual
- Female
- Counselor
- Professional
About NADIA JOHNSON
This page provides the complete NPI Profile along with additional information for Nadia Johnson, a provider established in Rockford, Illinois with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1669441655 assigned on March 2006. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and her NPI record was last updated 19 years ago.
- NPI
- 1669441655
- Provider Name
- NADIA JOHNSON
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 3703 N MAIN ST ROCKFORD, IL 61103
- Location Phone
- (815) 282-2462
- Location Fax
- (815) 877-9382
- Mailing Address
- 3703 N MAIN ST ROCKFORD, IL 61103
- Mailing Phone
- (815) 282-2462
- Mailing Fax
- (815) 877-9382
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-14-2006
- Last Update Date
- 07-08-2007
- 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
Counselor Professional
- Taxonomy Code
- 101YP2500X
- Type
- Behavioral Health & Social Service Providers
- License State
- IL
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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 1669441655, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
ROCKFORD, IL 61103
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669441655, enumerated as an "individual" on March 14, 2006.
The provider is located at 3703 N MAIN ST ROCKFORD, IL 61103 and the phone number is (815) 282-2462.
Counselor with taxonomy code 101YP2500X and a focus in Professional.
