Active NPI
Joseph Sullivan
- Behavior Technician
- Concord, CA
National Provider Identifier
1023960705
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Behavior Technician
- Practice address
- 1987 Bonifacio St
Concord, CA 94520-2189 - Phone
- (925) 640-1220
- NPI assigned
- Feb 13, 2026
- Last updated
- Sep 4, 2026
- Sex
- Unspecified or another gender identity
- 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 Technician | 106S00000X | Primary |
Addresses
Primary practice location
1987 Bonifacio St
Concord, CA 94520-2189
Mailing address
PO Box 393
Concord, CA 94522-0393
Other practice location 1
12443 Lewis St Ste 201
Garden Grove, CA 92840-4650
Phone (714) 748-4440
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 |
|---|---|---|---|
| Advance Behavioral Therapies | Behavior Technician | 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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1770940800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788480000000",
"number": "1023960705",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 393",
"city": "CONCORD",
"state": "CA",
"postal_code": "945220393"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1987 BONIFACIO ST",
"city": "CONCORD",
"state": "CA",
"postal_code": "945202189",
"telephone_number": "925-640-1220"
}
],
"practiceLocations": [
{
"address_1": "12443 Lewis St Ste 201",
"address_purpose": "LOCATION",
"city": "Garden Grove",
"state": "CA",
"postal_code": "928404650",
"country_code": "US",
"telephone_number": "714-748-4440",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SULLIVAN",
"first_name": "JOSEPH",
"sole_proprietor": "NO",
"sex": "X",
"enumeration_date": "2026-02-13",
"last_updated": "2026-09-04",
"certification_date": "2026-09-04",
"status": "A"
},
"taxonomies": [
{
"code": "106S00000X",
"taxonomy_group": "",
"desc": "Behavior Technician",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Concord, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.