Active NPI
Alexis Zavala, BCBA
- Behavior Analyst
- Walnut Creek, CA
National Provider Identifier
1639911878
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Analyst
- Practice address
- 3100 Oak Rd Ste 100
Walnut Creek, CA 94597-2078 - Phone
- (510) 422-3959
- NPI assigned
- Jun 10, 2024
- 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 |
|---|---|---|---|---|
| Behavior Analyst | 103K00000X | IL | Primary |
Addresses
Primary practice location
3100 Oak Rd Ste 100
Walnut Creek, CA 94597-2078
Mailing address
2337 N Geneva Ter Apt 318
Chicago, IL 60614-3344
Phone (619) 957-9213
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1717977600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775088000000",
"number": "1639911878",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2337 N GENEVA TER APT 318",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606143344",
"telephone_number": "619-957-9213"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3100 OAK RD STE 100",
"city": "WALNUT CREEK",
"state": "CA",
"postal_code": "945972078",
"telephone_number": "510-422-3959"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZAVALA",
"first_name": "ALEXIS",
"credential": "BCBA",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2024-06-10",
"last_updated": "2026-04-02",
"certification_date": "2026-04-02",
"status": "A"
},
"taxonomies": [
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": "IL",
"license": null,
"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 2, 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.