Individual provider Active NPI

Gwyneth Olivia Truman

  • Social Worker
  • Irwindale, CA
National Provider Identifier
1699403345
Registry record updated Dec 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
123740 Issued in CA
Practice address
13001 Ramona Blvd
Irwindale, CA 91706-3752
Phone
(626) 480-8107
NPI assigned
Aug 10, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 1, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 123740 CA Primary

Addresses

Primary practice location

13001 Ramona Blvd
Irwindale, CA 91706-3752

Mailing address

13001 Ramona Blvd Ste E
Irwindale, CA 91706-3752
Phone (909) 593-2581

Other practice location 1

801 E Chapman Ave Ste 203
Fullerton, CA 92831-3846
Phone (909) 599-1227 ext. 9034

Other practice location 2

1350 3rd St
LA Verne, CA 91750-5201
Phone (909) 593-2581

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
123740CAMDEmergency Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1660089600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764547200000",
    "number": "1699403345",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13001 RAMONA BLVD STE E",
            "city": "IRWINDALE",
            "state": "CA",
            "postal_code": "917063752",
            "telephone_number": "909-593-2581"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13001 RAMONA BLVD",
            "city": "IRWINDALE",
            "state": "CA",
            "postal_code": "917063752",
            "telephone_number": "626-480-8107"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "801 E Chapman Ave Ste 203",
            "address_purpose": "LOCATION",
            "city": "Fullerton",
            "state": "CA",
            "postal_code": "928313846",
            "country_code": "US",
            "telephone_number": "909-599-1227 x9034",
            "fax_number": "714-680-8233",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1350 3rd St",
            "address_purpose": "LOCATION",
            "city": "LA Verne",
            "state": "CA",
            "postal_code": "917505201",
            "country_code": "US",
            "telephone_number": "909-593-2581",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRUMAN",
        "first_name": "GWYNETH",
        "middle_name": "OLIVIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-08-10",
        "last_updated": "2025-12-01",
        "certification_date": "2025-12-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "123740",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Irwindale, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 1, 2025; 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.