Lois Swinski

Primary specialty

Registered NurseTaxonomy code 163W00000X

License

393858 Issued in CA

Practice address

603 Douglas Dr
Mill Valley, CA 94941-2610

Phone

(415) 302-3129

NPI assigned

Sep 26, 2026

Last updated

Sep 26, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

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

{
    "created_epoch": "1790380800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790380800000",
    "number": "1558274845",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "603 DOUGLAS DR",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "949412610",
            "telephone_number": "415-302-3129"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "603 DOUGLAS DR",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "949412610",
            "telephone_number": "415-302-3129"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SWINSKI",
        "first_name": "LOIS",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-09-26",
        "last_updated": "2026-09-26",
        "certification_date": "2026-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "393858",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Lewis Tanenbaum, MD

• Registered Nurse in Mill Valley, CA
• Providers in Mill Valley, CA by specialty
• Registered Nurse in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.