Active NPI
Yvonne Xuan-Thao Nguyen
- Mental Health Counselor
- New York, NY
National Provider Identifier
1336028794
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Mental Health Counselor
- Practice address
- 1990 Lexington Ave Apt 26E
New York, NY 10035-2918 - Phone
- (917) 740-9574
- NPI assigned
- Aug 29, 2025
- 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 |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | Primary |
Addresses
Primary practice location
1990 Lexington Ave Apt 26E
New York, NY 10035-2918
Mailing address
1107 Lake Washington Blvd
Seattle, WA 98122-3529
Phone (203) 218-3304
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 |
|---|---|---|---|
| Lloyd Psychological Services, PLLC | Mental Health | 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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1756425600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774310400000",
"number": "1336028794",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1107 LAKE WASHINGTON BLVD",
"city": "SEATTLE",
"state": "WA",
"postal_code": "981223529",
"telephone_number": "203-218-3304"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1990 LEXINGTON AVE APT 26E",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100352918",
"telephone_number": "917-740-9574"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NGUYEN",
"first_name": "YVONNE",
"middle_name": "XUAN-THAO",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-08-29",
"last_updated": "2026-03-24",
"certification_date": "2026-03-24",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in New York, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 24, 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.