Individual provider Active NPI

Sosun Ha

  • Professional Counselor
  • Fullerton, CA
National Provider Identifier
1619745791
Registry record updated Oct 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Professional CounselorTaxonomy code 101YP2500X
Practice address
1303 W Valencia Dr # 388
Fullerton, CA 92833-4034
Phone
(657) 224-3780
NPI assigned
Dec 18, 2023
Last updated
Oct 3, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Professional Counselor 101YP2500X CA Primary

Addresses

Primary practice location

1303 W Valencia Dr # 388
Fullerton, CA 92833-4034

Mailing address

2321 E 4TH St # C153
Santa Ana, CA 92705-3861

Other practice location 1

10642 Santa Monica Blvd Apt 209
Los Angeles, CA 90025-4850
Phone (323) 879-7809

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": "1702857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790985600000",
    "number": "1619745791",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2321 E 4TH ST # C153",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927053861"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1303 W VALENCIA DR # 388",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928334034",
            "telephone_number": "657-224-3780"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10642 Santa Monica Blvd Apt 209",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900254850",
            "country_code": "US",
            "telephone_number": "323-879-7809",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HA",
        "first_name": "SOSUN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-12-18",
        "last_updated": "2026-10-03",
        "certification_date": "2026-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fullerton, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 3, 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.