Brenda A Duffey-Jepsen

Primary specialty

Intellectual & Developmental Disabilities PsychologistTaxonomy code 103TM1800X

License

PSY 18790 Issued in CA

Practice address

3530 Pomona Blvd
Pomona, CA 91768-3238

Phone

(909) 444-7250

NPI assigned

Jun 15, 2006

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

State licenses

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

{
    "created_epoch": "1150329600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1619911120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3530 POMONA BLVD",
            "city": "POMONA",
            "state": "CA",
            "postal_code": "917683238",
            "telephone_number": "909-444-7250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3530 POMONA BLVD",
            "city": "POMONA",
            "state": "CA",
            "postal_code": "917683238",
            "telephone_number": "909-444-7250"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFFEY-JEPSEN",
        "first_name": "BRENDA",
        "middle_name": "A",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-15",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TM1800X",
            "taxonomy_group": "",
            "desc": "Psychologist, Intellectual & Developmental Disabilities",
            "state": "CA",
            "license": "PSY 18790",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Peilin Duan
• Natalia Dudek
• Esther Duenas
• Isabel Cristina Duenas
• Xavier Anthony Duenas, PA
• Jennifer Duke
• Madison Dulkanchainun
• Laurie Dumais
• Amanda Michele Dunagan, MA CCC-SLP
• Lucas Duncan

• Intellectual & Developmental Disabilities Psychologist in Pomona, CA
• Providers in Pomona, CA by specialty
• Intellectual & Developmental Disabilities Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.