Jonalyn Tomelden Nguyen

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

Practice address

713 W Commonwealth Ave
Fullerton, CA 92832-1612

Phone

(833) 879-4274

NPI assigned

Sep 11, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1441929600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755129600000",
    "number": "1275901993",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2447 PACIFIC COAST HWY",
            "city": "HERMOSA BEACH",
            "state": "CA",
            "postal_code": "902542714",
            "telephone_number": "310-374-3300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "713 W COMMONWEALTH AVE",
            "city": "FULLERTON",
            "state": "CA",
            "postal_code": "928321612",
            "telephone_number": "833-879-4274"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2447 Pacific Coast Hwy",
            "address_purpose": "LOCATION",
            "city": "Hermosa Beach",
            "state": "CA",
            "postal_code": "902542714",
            "country_code": "US",
            "telephone_number": "310-374-3300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "JONALYN",
        "middle_name": "TOMELDEN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-09-11",
        "last_updated": "2025-08-14",
        "certification_date": "2025-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Irene Nguyen
• Ivy Ngocyen Nguyen, DC
• Jasmine Nguyen
• Jessie Khanh Nguyen
• John Nguyen, OD
• Kassandra Cathleen Nguyen
• Kathelen Nguyen
• Khoi Binh Nguyen, D.D.S
• Kimberly Kim CHI Nguyen, D.D.S
• Lan Thanh Nguyen

• Behavior Analyst in Fullerton, CA
• Providers in Fullerton, CA by specialty
• Behavior Analyst in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 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.