Katie Obrien, RN

Primary specialty

Emergency Registered NurseTaxonomy code 163WE0003X

License

845926 Issued in CA

Practice address

1165 Montgomery Dr
Santa Rosa, CA 95405-4801

Phone

(707) 774-9621

NPI assigned

May 1, 2026

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

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1777593600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777593600000",
    "number": "1972440485",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7 PEARCE ST",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949524018",
            "telephone_number": "707-525-6207"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1165 MONTGOMERY DR",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954054801",
            "telephone_number": "707-774-9621"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OBRIEN",
        "first_name": "KATIE",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-05-01",
        "last_updated": "2026-05-01",
        "certification_date": "2026-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WE0003X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Emergency",
            "state": "CA",
            "license": "845926",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Andrea Oakes, RN
• Larry Martin Oakes, PTLA, DPT
• Robert Sheldon Oberti
• Carla Rae Obrien-Jay
• Christopher Obrien
• Janet Obryan, DPT
• Occupational Health Centers of California, a Medical Corporation
• Tatiana Cihuateteo Ochoa
• Derek Ochucci
• Katherine Demarious Oconnor

• Emergency Registered Nurse in Santa Rosa, CA
• Providers in Santa Rosa, CA by specialty
• Emergency Registered Nurse in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 1, 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.