Sara O'Brien

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

Practice address

800 N 1St St FL 2
San Jose, CA 95112-6312

Phone

(925) 266-8400

NPI assigned

Nov 20, 2018

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": "1542672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1972072841",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2730 SHADELANDS DR BLDG 10",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982538",
            "fax_number": "192-526-6840"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 N 1ST ST FL 2",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951126312",
            "telephone_number": "925-266-8400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "SARA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-11-20",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• O' Connor Family Medicine Residency Program
• Doris Jean O' Neal, LCSW
• Katherine O'Blennis Yvanovich, AMFT
• John Grant O'Brien, PHARMD
• Ronald L. O'Brien, D.D.S.
• Yvonne O'Brien
• Chandra O'Connell
• Dennis Patrick O'Connell
• Joseph O'Connell
• O'Connor Building Surgery Center LLC

• Behavior Analyst in San Jose, CA
• Providers in San Jose, CA by specialty
• Behavior Analyst in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.