VIVIANA CASTILLO
NPI 1982548020
Specialist/Technologist - Speech-Language Assistant in Spring, TX
NPI Status: Active since April 17, 2026
Contact Information
25929 CYPRESSWOOD DRIVE
SUITE D
SPRING, TX
ZIP 73773
Phone: (713) 364-4831
- Individual
- Female
- Specialist/Technologist
- Speech-Language Assistant
About VIVIANA CASTILLO
This page provides the complete NPI Profile along with additional information for Viviana Castillo, a provider established in Spring, Texas with a medical specialization in Specialist/technologist, focusing in speech-language assistant . The healthcare provider is registered in the NPI registry with number 1982548020 assigned on April 2026. The practitioner's primary taxonomy code is 2355S0801X with license number 43641 (TX). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1982548020
- Provider Name
- VIVIANA CASTILLO
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 25929 CYPRESSWOOD DRIVE SUITE D SPRING, TX 73773
- Location Phone
- (713) 364-4831
- Mailing Address
- 13919 POLARSTONE CT HOUSTON, TX 77044
- Mailing Phone
- (713) 538-5129
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-17-2026
- Last Update Date
- 04-17-2026
- 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
Specialist/Technologist Speech-Language Assistant
- Taxonomy Code
- 2355S0801X
- Type
- Speech, Language and Hearing Service Providers
- License No.
- 43641
- 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 1982548020, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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 60 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1982548020, enumerated as an "individual" on April 17, 2026.
The provider is located at 25929 CYPRESSWOOD DRIVE SUITE D SPRING, TX 73773 and the phone number is (713) 364-4831.
Specialist/Technologist with taxonomy code 2355S0801X and a focus in Speech-Language Assistant.
