Eliza Delfina Sifuentes

Primary specialty

Behavior TechnicianTaxonomy code 106S00000X

Practice address

2201 E 4TH St
Santa Ana, CA 92705-3804

Phone

(800) 883-8441

NPI assigned

Jan 28, 2026

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Eli Delfina Sifuentes Other name

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": "1769558400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769558400000",
    "number": "1770433906",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2201 E 4TH ST",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927053804"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2201 E 4TH ST",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927053804",
            "telephone_number": "800-883-8441"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIFUENTES",
        "first_name": "ELIZA",
        "middle_name": "DELFINA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-01-28",
        "last_updated": "2026-01-28",
        "certification_date": "2026-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ELI",
            "last_name": "SIFUENTES",
            "middle_name": "DELFINA",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Douglas Martin Siegmund, FNP-C
• Sierra Clinical Trials & Research Organization, Inc
• Elizabeth Marie Sierra, LCSW, PPSC
• Lawrence Joseph Sieve III, O.D.
• Brandon S. Sievers, M.D.
• Timothy Alan Sigafoos
• Sight Concepts Optometry
• Domenic Signorelli, D.P.M.
• Gabrielle Lyn Siguenza, MS
• Pierce Sihotang, PTA

• Behavior Technician in Santa Ana, CA
• Providers in Santa Ana, CA by specialty
• Behavior Technician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 28, 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.