Active NPI
Leslie De la Rosa, ASW
- Clinical Social Worker
- Tustin, CA
National Provider Identifier
1770463259
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- ASW132315
- Practice address
- 621 W 1St St
Tustin, CA 92780-2950 - Phone
- (714) 665-9890
- NPI assigned
- Sep 4, 2025
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | ASW132315 | CA | Primary |
Addresses
Primary practice location
621 W 1St St
Tustin, CA 92780-2950
Mailing address
PO Box 782
Yorba Linda, CA 92885-0782
Phone (714) 932-1147
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 |
|---|---|---|---|
| ASW132315 | CA | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Families Together of Orange County | Current | Accepting new patients | |
| Families Together of Orange County | Past | Accepting new patients | |
| Families Together of Orange County | Past | Accepting new patients |
Locations
621 W 1st St
Tustin, CA 92780
Phone (714) 665-9890
Organizations & group practices 3
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.
-
- Federally Qualified Health Center (FQHC)
- Tustin, CA
- NPI 1861253080
-
- Federally Qualified Health Center (FQHC)
- Tustin, CA
- NPI 1114788239
-
- Clinic/Center
- Tustin, CA
- NPI 1194122457
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1756944000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773273600000",
"number": "1770463259",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 782",
"city": "YORBA LINDA",
"state": "CA",
"postal_code": "928850782",
"telephone_number": "714-932-1147"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "621 W 1ST ST",
"city": "TUSTIN",
"state": "CA",
"postal_code": "927802950",
"telephone_number": "714-665-9890"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DE LA ROSA",
"first_name": "LESLIE",
"credential": "ASW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-09-04",
"last_updated": "2026-03-12",
"certification_date": "2026-03-12",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CA",
"license": "ASW132315",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Tustin, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 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.