Individual provider Active NPI

Erika Chelsea Arens

  • Clinical Social Worker
  • Dublin, CA
National Provider Identifier
1427588300
Registry record updated Feb 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
134539 Issued in CA
Practice address
5325 Broder Blvd
Dublin, CA 94568-3309
Phone
(925) 803-7221
NPI assigned
Jun 14, 2017
Last updated
Feb 2, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 134539 CA Primary
Behavior Analyst 103K00000X NU

Addresses

Primary practice location

5325 Broder Blvd
Dublin, CA 94568-3309

Mailing address

5325 Broder Blvd
Dublin, CA 94568-3309
Phone (925) 803-7221

Other practice location 1

3607 Somerset Ave
Castro Valley, CA 94546-3438
Phone (510) 828-0446

Other practice location 2

2500 Fairmont Dr
San Leandro, CA 94578-1005
Phone (510) 828-0446

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
134539CAMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1497398400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1427588300",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5325 BRODER BLVD",
            "city": "DUBLIN",
            "state": "CA",
            "postal_code": "945683309",
            "telephone_number": "925-803-7221"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5325 BRODER BLVD",
            "city": "DUBLIN",
            "state": "CA",
            "postal_code": "945683309",
            "telephone_number": "925-803-7221"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3607 Somerset Ave",
            "address_purpose": "LOCATION",
            "city": "Castro Valley",
            "state": "CA",
            "postal_code": "945463438",
            "country_code": "US",
            "telephone_number": "510-828-0446",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2500 Fairmont Dr",
            "address_purpose": "LOCATION",
            "city": "San Leandro",
            "state": "CA",
            "postal_code": "945781005",
            "country_code": "US",
            "telephone_number": "510-828-0446",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ARENS",
        "first_name": "ERIKA",
        "middle_name": "CHELSEA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-06-14",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "134539",
            "primary": true
        },
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dublin, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 2, 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.