Active NPI
Carissa Macias
- Behavior Analyst
- Fairfield, CA
National Provider Identifier
1649740887
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Analyst
- Practice address
- 2450 Martin Rd Ste 100
Fairfield, CA 94534-1018 - Phone
- (855) 223-7123
- NPI assigned
- Nov 30, 2018
- Sex
- Female
- Sole proprietor
- No
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 | Primary |
Addresses
Primary practice location
2450 Martin Rd Ste 100
Fairfield, CA 94534-1018
Mailing address
PO Box 740780
Atlanta, GA 30374-0780
Phone (855) 223-7123
Other practice location 1
3604B Fair Oaks Blvd
Ste 200
Sacramento, CA 95864
Phone (855) 223-7123
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Building Blocks Behavior Consultants | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Community/Behavioral Health Agency
- Roseville, CA
- NPI 1417245218
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1543536000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788393600000",
"number": "1649740887",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 740780",
"city": "ATLANTA",
"state": "GA",
"postal_code": "303740780",
"telephone_number": "855-223-7123"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2450 MARTIN RD STE 100",
"city": "FAIRFIELD",
"state": "CA",
"postal_code": "945341018",
"telephone_number": "855-223-7123"
}
],
"practiceLocations": [
{
"address_1": "3604B Fair Oaks Blvd",
"address_2": "Ste 200",
"address_purpose": "LOCATION",
"city": "Sacramento",
"state": "CA",
"postal_code": "95864",
"country_code": "US",
"telephone_number": "855-223-7123",
"fax_number": "619-374-7134",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MACIAS",
"first_name": "CARISSA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2018-11-30",
"last_updated": "2026-09-03",
"certification_date": "2026-09-02",
"status": "A"
},
"taxonomies": [
{
"code": "103K00000X",
"taxonomy_group": "",
"desc": "Behavior Analyst",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Fairfield, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 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.