Ellen M. Christiansen, MSN, FNP

Primary specialty

General Practice Registered NurseTaxonomy code 163WG0000X

License

512169/10681 Issued in CA

Practice address

3 Sixth Street
Point Reyes Station, CA 94956-0910

Phone

(415) 663-8666

Fax

(415) 663-9532

NPI assigned

Aug 1, 2005

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

Other identifiers 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science - Nursing

State licenses

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

{
    "created_epoch": "1122854400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1528068525",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 910",
            "city": "POINT REYES STATION",
            "state": "CA",
            "postal_code": "949560910",
            "telephone_number": "415-663-8666",
            "fax_number": "415-663-9532"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3 SIXTH STREET",
            "city": "POINT REYES STATION",
            "state": "CA",
            "postal_code": "949560910",
            "telephone_number": "415-663-8666",
            "fax_number": "415-663-9532"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHRISTIANSEN",
        "first_name": "ELLEN",
        "middle_name": "M.",
        "name_prefix": "Ms.",
        "credential": "MSN, FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-08-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WG0000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, General Practice",
            "state": "CA",
            "license": "512169/10681",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NP LICENSE",
            "identifier": "10681",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RN LICENSE",
            "identifier": "RN 512169",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julie Anna Ballard, PA-C
• Kira Gentle Barron, DMD
• Zsuzsanna Biran, R.PH.
• Ramiro Campos
• Carolyn Ruth Chase, RN, NP
• Coastal Health Alliance
• Coastal Health Alliance
• Coastal Health Alliance
• Colin Hamblin, a Professional Medical Corporation
• County of Marin

• All providers in Point Reyes Station, CA
• General Practice Registered Nurse 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.