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About this NPIWhat this record shows.
NPI 1023949286 is registered to Lillian Olson, a Speech-Language Assistant practising at 1100 Carrie St in West Sacramento, California. Speech-Language Assistant is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Lillian Olson has been enumerated in the National Provider Identifier (NPI) registry since 2026.
Provider type
Individual (Type 1)
Status
Active
Enumerated
2026-05-27
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The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Lillian Olson accepts. To confirm in-network status with your specific health plan, contact Lillian Olson directly at (916) 375-7700.
Frequently asked
Yes. NPI 1023949286 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Speech-Language Assistant is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (916) 375-7700.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Lillian Olson is a Type-1 individual NPI.
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