CHARLES NEILL LPC
NPI 1194105866
Counselor - Professional in San Antonio, TX
NPI Status: Active since June 08, 2015
Contact Information
9504 N IH 35
SAN ANTONIO, TX
ZIP 78233
Phone: (210) 650-0422
Fax: (210) 650-0169
- Individual
- Male
- Counselor
- Professional
About CHARLES NEILL
This page provides the complete NPI Profile along with additional information for Charles Neill, a provider established in San Antonio, Texas with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1194105866 assigned on June 2015. The practitioner's primary taxonomy code is 101YP2500X with license number 67444 (TX). The provider is registered as an individual and his NPI record was last updated April 2026.
- NPI
- 1194105866
- Provider Name
- CHARLES NEILL LPC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 9504 N IH 35 SAN ANTONIO, TX 78233
- Location Phone
- (210) 650-0422
- Location Fax
- (210) 650-0169
- Mailing Address
- 9504 N IH 35 SAN ANTONIO, TX 78233
- Mailing Phone
- (210) 650-0422
- Mailing Fax
- (210) 650-0169
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-08-2015
- Last Update Date
- 04-08-2026
- 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
Counselor Professional
- Taxonomy Code
- 101YP2500X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 67444
- License State
- TX
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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 1194105866, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).
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 54 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1194105866, enumerated as an "individual" on June 08, 2015.
The provider is located at 9504 N IH 35 SAN ANTONIO, TX 78233 and the phone number is (210) 650-0422.
Counselor with taxonomy code 101YP2500X and a focus in Professional.
