Active NPI
Yim Moon Leung
- Social Worker
- Livermore, CA
National Provider Identifier
1134079221
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- Practice address
- 2441 Constitution Dr
Livermore, CA 94551-7573 - Phone
- (925) 505-4700
- NPI assigned
- Jan 29, 2026
- 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 |
|---|---|---|---|---|
| Social Worker | 104100000X | Primary |
Addresses
Primary practice location
2441 Constitution Dr
Livermore, CA 94551-7573
Mailing address
2441 Constitution Dr
Livermore, CA 94551-7573
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": "1769644800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769644800000",
"number": "1134079221",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2441 CONSTITUTION DR",
"city": "LIVERMORE",
"state": "CA",
"postal_code": "945517573"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2441 CONSTITUTION DR",
"city": "LIVERMORE",
"state": "CA",
"postal_code": "945517573",
"telephone_number": "925-505-4700"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LEUNG",
"first_name": "YIM MOON",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-01-29",
"last_updated": "2026-01-29",
"certification_date": "2026-01-29",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Livermore, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 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.