Individual provider Active NPI

Lorien Nelson, LCSW

  • Clinical Social Worker
  • Concord, CA
National Provider Identifier
1275649022
Registry record updated Jul 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LCSW-12297 Issued in AZ
Practice address
5103 Greenmeadow Dr
Concord, CA 94521-3623
Phone
(561) 797-2246
NPI assigned
Aug 22, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 18, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X LCSW-12297 AZ Primary

Addresses

Primary practice location

5103 Greenmeadow Dr
Concord, CA 94521-3623

Mailing address

PO Box 3861
Arizona City, AZ 85223-3861

Other names 1

  • Ms. Lorien Halbrook Former name

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-12297AZMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1156204800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752796800000",
    "number": "1275649022",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3861",
            "city": "ARIZONA CITY",
            "state": "AZ",
            "postal_code": "852233861"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5103 GREENMEADOW DR",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945213623",
            "telephone_number": "561-797-2246"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NELSON",
        "first_name": "LORIEN",
        "name_prefix": "Mrs.",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-22",
        "last_updated": "2025-07-18",
        "certification_date": "2025-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "AZ",
            "license": "LCSW-12297",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LORIEN",
            "last_name": "HALBROOK",
            "prefix": "MS.",
            "credential": "LCSW",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Concord, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 18, 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.