Individual provider Active NPI

Gwen Stephens, MA

  • Behavior Analyst
  • San Jose, CA
National Provider Identifier
1578074852
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
Practice address
4030 Moorpark Ave Ste 105
San Jose, CA 95117-1848
Phone
(669) 444-5980
Fax
(855) 568-2494
NPI assigned
Oct 13, 2017
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior AnalystGroup: 193400000X SINGLE SPECIALTY GROUP 103K00000X Primary

Addresses

Primary practice location

4030 Moorpark Ave Ste 105
San Jose, CA 95117-1848

Mailing address

18726 S Western Ave Ste 408
Gardena, CA 90248-3858
Phone (310) 856-0800

Other identifiers 1

IdentifierTypeStateIssuer
45-3589857OtherTHE HOLMAN GROUP

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
Credentials
Master of Arts

NPI Registry JSON

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

{
    "created_epoch": "1507852800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1578074852",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18726 S WESTERN AVE STE 408",
            "city": "GARDENA",
            "state": "CA",
            "postal_code": "902483858",
            "telephone_number": "310-856-0800",
            "fax_number": "855-568-2494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4030 MOORPARK AVE STE 105",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951171848",
            "telephone_number": "669-444-5980",
            "fax_number": "855-568-2494"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEPHENS",
        "first_name": "GWEN",
        "credential": "MA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-10-13",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "THE HOLMAN GROUP",
            "identifier": "45-3589857",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Jose, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.