Active NPI
Alexa Koomler
- Clinical Social Worker
- Walnut Creek, CA
National Provider Identifier
1376191254
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 88375
- Practice address
- 2730 Shadelands Dr BLDG 10
Walnut Creek, CA 94598-2538 - Phone
- (855) 843-2476
- NPI assigned
- Sep 3, 2019
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 88375 | CA | Primary |
Addresses
Primary practice location
2730 Shadelands Dr BLDG 10
Walnut Creek, CA 94598-2538
Mailing address
803 Moreno Rd
Santa Barbara, CA 93103-1804
Phone (559) 718-7092
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 |
|---|---|---|---|
| 88375 | CA | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1567468800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775001600000",
"number": "1376191254",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "803 MORENO RD",
"city": "SANTA BARBARA",
"state": "CA",
"postal_code": "931031804",
"telephone_number": "559-718-7092"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2730 SHADELANDS DR BLDG 10",
"city": "WALNUT CREEK",
"state": "CA",
"postal_code": "945982538",
"telephone_number": "855-843-2476"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KOOMLER",
"first_name": "ALEXA",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2019-09-03",
"last_updated": "2026-04-01",
"certification_date": "2026-04-01",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CA",
"license": "88375",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Walnut Creek, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 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.