Active NPI
Lillian Olson
- Speech-Language Assistant
- West Sacramento, CA
National Provider Identifier
1023949286
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Speech-Language Assistant
- License
- SPA8522
- Practice address
- 1100 Carrie St
West Sacramento, CA 95605-2046 - Phone
- (916) 375-7700
- NPI assigned
- May 27, 2026
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Speech-Language Assistant | 2355S0801X | SPA8522 | CA | Primary |
Addresses
Primary practice location
1100 Carrie St
West Sacramento, CA 95605-2046
Mailing address
3416 American River Dr Ste B
Sacramento, CA 95864-5753
Phone (916) 979-0497
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| SPA8522 | CA | MD | Speech-Language Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Developmental Occupational Therapy | Past | Accepting new patients | |
| Developmental Occupational Therapy | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Occupational Therapy Assistant
- Sacramento, CA
- NPI 1467218982
-
- Pediatric Occupational Therapist
- Sacramento, CA
- NPI 1922483122
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1779840000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779840000000",
"number": "1023949286",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3416 AMERICAN RIVER DR STE B",
"city": "SACRAMENTO",
"state": "CA",
"postal_code": "958645753",
"telephone_number": "916-979-0497"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1100 CARRIE ST",
"city": "WEST SACRAMENTO",
"state": "CA",
"postal_code": "956052046",
"telephone_number": "916-375-7700"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OLSON",
"first_name": "LILLIAN",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-05-27",
"last_updated": "2026-05-27",
"certification_date": "2026-05-27",
"status": "A"
},
"taxonomies": [
{
"code": "2355S0801X",
"taxonomy_group": "",
"desc": "Specialist/Technologist, Speech-Language Assistant",
"state": "CA",
"license": "SPA8522",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in West Sacramento, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.