LILLIAN OLSON
NPI 1023949286
Specialist/Technologist - Speech-Language Assistant in West Sacramento, CA
NPI Status: Active since May 27, 2026
Contact Information
1100 CARRIE ST
WEST SACRAMENTO, CA
ZIP 95605
Phone: (916) 375-7700
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Specialist/Technologist
- Speech-Language Assistant
About LILLIAN OLSON
This page provides the complete NPI Profile along with additional information for Lillian Olson, a provider established in West Sacramento, California with a medical specialization in Specialist/technologist, focusing in speech-language assistant . The healthcare provider is registered in the NPI registry with number 1023949286 assigned on May 2026. The practitioner's primary taxonomy code is 2355S0801X with license number SPA8522 (CA). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1023949286
- Provider Name
- LILLIAN OLSON
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1100 CARRIE ST WEST SACRAMENTO, CA 95605
- Location Phone
- (916) 375-7700
- Mailing Address
- 3416 AMERICAN RIVER DR STE B SACRAMENTO, CA 95864
- Mailing Phone
- (916) 979-0497
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-27-2026
- Last Update Date
- 05-27-2026
- 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.
- SPA8522
- License State
- CA
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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 1023949286, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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 64 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1023949286, enumerated as an "individual" on May 27, 2026.
The provider is located at 1100 CARRIE ST WEST SACRAMENTO, CA 95605 and the phone number is (916) 375-7700.
Specialist/Technologist with taxonomy code 2355S0801X and a focus in Speech-Language Assistant.
