Individual provider Active NPI

Natalie Barnwell

  • Behavior Analyst
  • Fairfield, CA
National Provider Identifier
1336656651
Registry record updated Mar 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
Practice address
2450 Martin Rd Ste 100
Fairfield, CA 94534-1018
Phone
(855) 223-7123
NPI assigned
Jan 8, 2018
Last updated
Mar 26, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 26, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior Analyst 103K00000X NU Primary
Behavior Technician 106S00000X NU

Addresses

Primary practice location

2450 Martin Rd Ste 100
Fairfield, CA 94534-1018

Mailing address

PO Box 33568
San Diego, CA 92163-3568
Phone (855) 223-7123

Other practice location 1

725 S Mesa Hills Dr Bldg 3
El Paso, TX 79912-5568
Phone (855) 223-7123

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": "1515369600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742947200000",
    "number": "1336656651",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 33568",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921633568",
            "telephone_number": "855-223-7123",
            "fax_number": "619-374-7134"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2450 MARTIN RD STE 100",
            "city": "FAIRFIELD",
            "state": "CA",
            "postal_code": "945341018",
            "telephone_number": "855-223-7123"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "725 S Mesa Hills Dr Bldg 3",
            "address_purpose": "LOCATION",
            "city": "El Paso",
            "state": "TX",
            "postal_code": "799125568",
            "country_code": "US",
            "telephone_number": "855-223-7123",
            "fax_number": "619-374-7134",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BARNWELL",
        "first_name": "NATALIE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-01-08",
        "last_updated": "2025-03-26",
        "certification_date": "2025-03-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfield, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 26, 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.