Brenda Rust O'Beirne, PHD

Primary specialty

PsychologistTaxonomy code 103T00000X

Practice address

25 Kessel CT Ste 105
Madison, WI 53711-6227

Phone

(608) 280-2700

NPI assigned

Feb 11, 2025

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

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

{
    "created_epoch": "1739232000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739232000000",
    "number": "1821803479",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 KESSEL CT STE 105",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537116227",
            "telephone_number": "608-280-2700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 KESSEL CT STE 105",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537116227",
            "telephone_number": "608-280-2700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BEIRNE",
        "first_name": "BRENDA",
        "middle_name": "RUST",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-02-11",
        "last_updated": "2025-02-11",
        "certification_date": "2025-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TA0400X",
            "taxonomy_group": "",
            "desc": "Psychologist, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jacob D. Nyfeler, MD
• Teresa Nyholt, LCSW
• Greta Nyhus, RN
• Debra M. Nyquist, MD
• Isabelle Nytes, PA-C
• Molly O'Boyle
• Alyssa L. O'Brien, PA-C
• Anne M O'Brien, PHD
• Emily O'Brien, MD
• Kevin O'Brien

• Psychologist in Madison, WI
• Providers in Madison, WI by specialty
• Psychologist in Wisconsin

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