Individual provider Active NPI

Tatum Ochoa O'Sullivan

  • Clinical Social Worker
  • Oakland, CA
National Provider Identifier
1346159837
Registry record updated Sep 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
132942 Issued in CA
Practice address
12250 Skyline Blvd
Oakland, CA 94619-2497
Phone
(510) 879-2306
NPI assigned
Sep 2, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 132942 CA
School Social Worker 1041S0200X 132942 CA
Clinical Social Worker 1041C0700X 132942 CA Primary

Addresses

Primary practice location

12250 Skyline Blvd
Oakland, CA 94619-2497

Mailing address

2901 Macarthur Blvd Apt 111
Oakland, CA 94602-3285

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1788307200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1346159837",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2901 MACARTHUR BLVD APT 111",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946023285"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12250 SKYLINE BLVD",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946192497",
            "telephone_number": "510-879-2306"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OCHOA O'SULLIVAN",
        "first_name": "TATUM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-09-02",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "132942",
            "primary": false
        },
        {
            "code": "1041S0200X",
            "taxonomy_group": "",
            "desc": "Social Worker, School",
            "state": "CA",
            "license": "132942",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "132942",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oakland, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.