Individual provider Active NPI

Yumi H Lemaster, LCSW

  • Clinical Social Worker
  • San Antonio, TX
National Provider Identifier
1699167346
Registry record updated Feb 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
64031 Issued in TX
Practice address
19035 Talavera RDG Apt 3302
San Antonio, TX 78257-1489
Phone
(706) 573-9615
NPI assigned
Mar 4, 2015
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X LCSW-4004 HI
Clinical Social WorkerGroup: 193400000X SINGLE SPECIALTY GROUP 1041C0700X 0904016208 VA
Clinical Social Worker 1041C0700X 64031 TX Primary

Addresses

Primary practice location

19035 Talavera RDG Apt 3302
San Antonio, TX 78257-1489

Mailing address

19035 Talavera RDG Apt 3302
San Antonio, TX 78257-1489
Phone (706) 573-9615

Other identifiers 1

IdentifierTypeStateIssuer
1099761705OtherKYTRICARE PRIME

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

LicenseStateTypeSpecialty
LCSW-4004HIMDClinical Social Worker
64031TXMDClinical Social Worker
0904016208VAMDClinical Social Worker

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1425427200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1699167346",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19035 TALAVERA RDG APT 3302",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782571489",
            "telephone_number": "706-573-9615"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19035 TALAVERA RDG APT 3302",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782571489",
            "telephone_number": "706-573-9615"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEMASTER",
        "first_name": "YUMI",
        "middle_name": "H",
        "name_prefix": "Mrs.",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-03-04",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "HI",
            "license": "LCSW-4004",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Social Worker, Clinical",
            "state": "VA",
            "license": "0904016208",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "TX",
            "license": "64031",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE PRIME",
            "identifier": "1099761705",
            "state": "KY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 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.

Verify at the official NPI Registry.